CN109919479A - A kind of the safe construction assessment system and its appraisal procedure of engineering project - Google Patents
A kind of the safe construction assessment system and its appraisal procedure of engineering project Download PDFInfo
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Abstract
The present invention discloses a kind of safe construction assessment system of engineering project, including construction division module, construction risk identification module, risk plan as a whole module, judge modeling distribution module, construction association analysis module, management server and input and display module；Construction risk recognizes module and connect with risk pool module, risk pool module passes through judge modeling distribution module and connect with construction association analysis module, and management server models distribution module, construction association analysis module and input with risk pool module, judge respectively and connect with display module.The present invention passes through management server and construction risk is combined to recognize module, risk plans as a whole module, judges modeling distribution module; establish construction safety assessment models; to count the corresponding construction Integral safety evaluation coefficient of each construction risk factor in work progress; realize the comprehensive assessment of working security; substantially increase the safety in work progress; farthest reduce the danger in work progress, the safety of protection staff.
Description
Technical field
The invention belongs to engineering project technical field, it is related to a kind of safe construction assessment system of engineering project and its comments
Estimate method.
Background technique
With the continuous development of China's economy, construction industry has also obtained sharply developing in recent years, building trade it is civilian,
The project that the fields such as industry, urban infrastructure are undertaken the construction of is being continuously increased.Meanwhile with economic development and scientific and technological progress,
Construction-engineering project also gradually develops to large-scale, complicated, polynary direction, but in Construction Process of Engineering Project, construction site
It the risk factors such as operating environment is complicated, and people, machine mobility are big, and working condition is severe, and construction period is longer, and danger source is more and is applying
The problems such as staff's overall qualities are relatively low during work, cause the probability caused danger in building construction process compared with
Greatly, in some instances it may even be possible to safety accident occur.
It, in the prior art can not be to influence working security due to causing the factor type of construction risk more in work progress
Factor carry out comprehensive assessment therefore, need to be to influence in order to reduce the construction safety contingency occurrence probability in personnel's work progress
The risk factors of construction safety are accurately identified and are analyzed, and are arranged with formulating corresponding construction safety assessment system and prevention
It applies, maximizes risk of loss caused by reducing engineering project in the construction process.
Summary of the invention
The purpose of the present invention is to provide engineering project safe construction assessment system and its appraisal procedure, pass through management
Server simultaneously combines construction risk identification module, risk to plan as a whole module, judge modeling distribution module, establishes construction safety assessment mould
Type, and by input construction risk factor, the construction Integral safety evaluation coefficient in each work progress is counted, to work progress
In comprehensive assessment of each construction risk factor to work progress safety, solving in existing Construction Process of Engineering Project can not be into
The assessment of row working security causes the problem that construction risk is big and accident rate is high.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of safe construction assessment system of engineering project, including construction division module, construction risk recognize module, risk
Plan as a whole module, judge modeling distribution module, construction association analysis module, management server and input and display module；
The construction risk identification module is planned as a whole module with risk and is connect, and risk plans as a whole module by judging modeling distributed mode
Block is connect with construction association analysis module, and management server plans as a whole module with risk respectively, judges modeling distribution module, constructs and close
Connection analysis module and input are connect with display module；
The construction division module is used to divide the work progress of engineering project, is divided into several construction sections, and
Several working procedures are divided into each construction section, wherein arranged according to construction sequencing construction section each in engineering project
Sequence number, respectively 1,2 ..., K ..., n, n are expressed as the construction section sum of the engineering project；
The construction risk recognizes module for identifying to potential risks accidents all kinds of in work progress, and to thing
Therefore the number of the risk factor and generation occurred carries out investigation screening, with the risk source inventory being set out in work progress, and
The risk source inventory being set out is sent to risk and plans as a whole module；
The risk plans as a whole module and is used to receive the risk source inventory that construction risk identification module is sent, to received risk
The risk factor that accident occurs in the inventory of source is classified, and factor, the equipment-object factor, the factor of environment of personnel are divided into
And the factor of management, level-one danger is set by human factor, equipment-object factor, the factor of environment and the factor of management
Dangerous index sets secondary threat index for the specific safety accident risk factor under each level-one Danger Indexes, to constitute work
The safe construction risk indicator of journey project construction, and the safe construction risk indicator of Construction of Engineering Projects is respectively sent to judge
Model distribution module and management server；
The modeling distribution module of judging is used to receive the safe construction that risk plans as a whole the Construction of Engineering Projects that module is sent
Risk indicator divides received safe construction risk indicator according to each construction section, and by each construction in each construction section
Risk factor carries out step analysis, to analyze the level distribution relation in each construction section between each construction risk factor, and will respectively apply
Level distribution relation in workshop section between each construction risk factor is respectively sent to construction association analysis module and management server；
The construction association analysis module, which is used to receive, judges danger of respectively constructing in each construction section that association analysis module is sent
Level distribution relation between dangerous factor carries out weight calculation to construction risk factor each in received each construction section, and will statistics
Each construction section in the weight of each construction risk factor be sent to management server；
The safe construction danger that the management server is used to receive the Construction of Engineering Projects that risk plans as a whole module transmission refers to
Mark, received safe construction Danger Indexes are drawn according to human factor, equipment-object factor, environmental factor and management factors
Point storage, and be stored with projects in management server the corresponding early warning of each construction risk factor occurs in the construction process and arrange
It applies；
The management server, which receives, to be judged in each construction section that modeling distribution module is sent between each construction risk factor
Level distribution relation, the level distribution relation between each construction risk factor counts the ratio of each construction risk factor based on the received
Value, management server receive the weight of each construction risk factor in each construction section that construction association analysis module is sent, management clothes
Business device extracts the ratio value of each construction risk factor and the weight of each construction risk factor, according to the ratio of construction risk factor
The weight of value and each construction risk factor, establishes construction safety assessment models；
The management server receives the settled construction risk factor that input is sent with display module, and in each construction
Level distribution relation between risk factor removes settled construction risk factor, and settled construction risk factor is corresponding
Ratio value is set as 1, and unsolved construction risk factor is set as 0, counts the construction Integral safety evaluation coefficient of the projects simultaneously
The corresponding Forewarning Measures of unsolved construction risk factor are sent to input and display module；
The input implements unsolved construction risk factor in the projects for inputting with display module, and will not
The construction risk factor of solution is sent to management server, receives the construction comprehensive safety for the projects that management server is sent
Metewand and the corresponding Forewarning Measures of unsolved construction risk factor are simultaneously shown.
Further, the step analysis judged in modeling distribution module statistics construction section between each construction risk factor,
Specifically includes the following steps:
W1, the construction section that will test are as construction factor problem；
W2, the construction risk factor T that construction factor problem is influenced in safe construction risk indicator is choseni, in each construction section
Construction risk factors composition construction section risk factor set Tk (T1,T2,...,Ti,...,Tj,...,Tm), Tk is expressed as k-th
The construction risk sets of factors of construction section, Ti、TjIt is expressed as i-th and j-th of construction risk factor in construction section, m is indicated
For the sum of construction risk factor in k-th of construction section；
W3, according to the relationship between construction risk factor each in same construction section, opening relationships matrix A；
Wherein, relational matrix A is made of m row m column element, defines the element a in relational matrixij,I=1,2 ..., m, j=1,2 ..., m；
W4, relational matrix A and unit matrix I is subjected to operation, obtains provisional matrix B, wherein B=(A+I)r+1=(A+
I)r≠...≠(A+I)2≠ A+I, and r=1,2 ...；
W5, processing and region division processing are divided carrying out grade to provisional matrix B, drawn according to division processing and region between grade
Processing is divided to extract skeleton pattern；
W6, ladder grade structural model is established according to skeleton pattern, as shown in Fig. 2, ladder grade structural model is for showing
Show the level distribution relation in the construction section between each construction risk factor, wherein AK11, AK12 ..., AK1i is expressed as k-th
The corresponding construction risk factor of E1 grade in construction section, AK21, AK22 ..., AK2i be expressed as E2 grade in k-th of construction section
Corresponding construction risk factor, AKe1, AKe2 ..., AKei be expressed as the corresponding construction risk of Ee grade in k-th of construction section
Factor, and the relationship between AKei and AK (e-1) i is expressed as causing AK (e-1) i corresponding by the corresponding construction risk factor of AKei
Construction risk factor.
Further, dividing between grade is to be with provisional matrix B according to all construction risk factors in construction factor problem
Basis is divided into different levels, in provisional matrix B, by TiAccessibility construction risk factors composition influences collection U (Ti), it can arrive
Up to TiAll construction risk factors compositions collect V (T at firsti), U (T is collected according to influencei) at first collect V (Ti) calculate overlapping collection C
(Si), the overlapping collection collects U (T by influencingi) at first collect V (Ti) between lap constitute, C(Si)=U (Ti)∩V(Ti)；
Region division carries out grade classification for all construction risk factors corresponding to construction factor problem, successively divides
At E1, E2 ..., Ee, and E1, E2 ..., the grade of Ee successively reduces；
When influence collects U (Ti) with Chong Die collection C (Si) included construction risk factor it is identical when, will overlapping collection C (Si) in
Construction risk factor deletes overlapping collection C (S as the construction risk factor under E1 grade in provisional matrix Bi) in construction danger
Row and column where dangerous factor similarly finds out the construction risk factor of lower level, the construction risk factor of each grade of formation
Constitute skeleton pattern.
Further, the construction association analysis module calculates the corresponding weight side of each construction risk factor in each construction section
Method, comprising the following steps:
Step 1 carries out sliding-model control to construction risk factor: by each construction risk factor in each construction section according to layer
Secondary distribution relation carries out discretization, and each construction section is indicated attribute value, respectively 1 with different code, 2 ..., f ...,
N is ranked up construction risk factor each in each construction section according to the level distribution situation construction risk factor, construction section
Interior construction risk factor is conditional attribute, i.e. conditional attribute collection Lf={ lf1,lf2,...,lfj,...,lfM }, each construction risk because
The danger classes of element is decision attribute, and decision kind set Z={ y }, y are expressed as the Risk Assessments grade of construction expert, and danger is commented
Valence grade is 1,2,3 ranks；
Step 2 calculates decision kind set Z to the degree of dependence of conditional attribute collection L
It is expressed as the quantity that all equivalence y are constituted in U；
Step 3, to each conditional attribute lfJ calculates decision kind set Z to conditional attribute collection Lf-lfThe degree of dependence of j
It is expressed as in U in addition to lfThe corresponding y of j
The quantity that all equivalence y in addition are constituted；
Step 4 calculates each conditional attribute using the calculation formula of Importance of Attributes to the importance of decision attribute, then jth
The importance of kind conditional attribute are as follows:
The importance of each conditional attribute is normalized in step 5, the jth kind conditional attribute after being normalized
Weight coefficient:
Further, the determination of the Risk Assessments grade, comprising the following steps:
P1, several architectural engineering experts of acquisition evaluate the danger classes of construction risk factor each in each construction section；
The average danger classes of P2, each construction risk factor in each construction section of statistics
It is expressed as the danger classes of i-th of construction risk factor in k-th of construction section of the Q architectural engineering expert evaluation, L is expressed as
The quantity of architectural engineering expert；
P3, judge architectural engineering expert in k-th of construction section i-th of construction risk factor evaluate danger classes whether
In 0.7 χKi-1.2χKiBetween, if not existing, reject architectural engineering expert to i-th of construction risk in k-th of construction section because
The danger classes of element evaluation, if, retain in k-th of construction section of the architectural engineering expert evaluation i-th of construction risk because
The danger classes of element, and execute step P4；
The synthesis danger classes of each construction risk factor in P4, each construction section of statisticsTable
It is shown as the danger classes of i-th of construction risk factor in k-th of construction section of the Q architectural engineering expert evaluation, L ' is expressed as
Architectural engineering expert's quantity of reservation.
Further, the construction safety assessment models
ψ is expressed as construction Integral safety evaluation coefficient, ηKIt is expressed as the corresponding construction safety assessment subsystem number of k-th of construction section, gAKei
It is expressed as the corresponding ratio value of i-th of construction risk factor, υ in e-th of gradeeiI-th of construction in e-th of grade is expressed as to endanger
The corresponding weight of dangerous factor, υei∈υj。
A kind of safe construction appraisal procedure of engineering project, comprising the following steps:
H1, the work progress in engineering project is divided, is divided into several construction sections, and successively suitable according to construction section
Sequence is ranked up number, respectively 1, and 2 ..., i ..., n, n are expressed as the construction section sum of the engineering project；
H2, statistics work progress in various risks accident, and to accident occur risk factor and generation number into
Row screening, enumerates into risk source inventory, and the risk source inventory includes the risk factor that accident occurs and number of generation etc.；
H3, in risk inventory accident occur risk factor classify, be divided into human factor, equipment-object factor,
Environmental factor and management factors, and each risk factor is divided into safe construction risk indicator；
H4, the safe construction risk indicator of Construction of Engineering Projects is divided according to construction section, and counts each construction section
Interior each construction risk factor carries out step analysis, to analyze the level distribution relation in each construction section between each construction risk factor；
Each construction risk factor carries out weight in H5, each construction section of statistics；
H6, the ratio that the level distribution relation between each construction risk factor counts each construction risk factor is counted according to step H4
Example value, and step H5 is combined, establish construction safety assessment models；
Unsolved construction risk factor in the projects is implemented in H7, input, and by unsolved construction risk factor
Substitute into construction safety assessment models, the construction Integral safety evaluation coefficient of the statistics construction projects.
Further, the weighing computation method, comprising the following steps:
Step 1 carries out sliding-model control to construction risk factor: by each construction risk factor in each construction section according to layer
Secondary distribution relation carries out discretization, and each construction section is indicated attribute value, respectively 1 with different code, 2 ..., f ...,
N is ranked up construction risk factor each in each construction section according to the level distribution situation construction risk factor, construction section
Interior construction risk factor is conditional attribute, i.e. conditional attribute collection Lf={ lf1,lf2,...,lfj,...,lfM }, each construction risk because
The danger classes of element is decision attribute, and decision kind set Z={ y }, y are expressed as the Risk Assessments grade of construction expert, and danger is commented
Valence grade is 1,2,3 ranks；
Step 2 calculates decision kind set Z to the degree of dependence of conditional attribute collection L
It is expressed as the quantity that all equivalence y are constituted in U；
Step 3, to each conditional attribute lfJ calculates decision kind set Z to conditional attribute collection Lf-lfThe degree of dependence of j
It is expressed as in U in addition to lfThe corresponding y of j
The quantity that all equivalence y in addition are constituted；
Step 4 calculates each conditional attribute using the calculation formula of Importance of Attributes to the importance of decision attribute, then jth
The importance of kind conditional attribute are as follows:
The importance of each conditional attribute is normalized in step 5, the jth kind conditional attribute after being normalized
Weight coefficient:
Beneficial effects of the present invention:
The safe construction assessment system of engineering project provided by the invention is distinguished by management server and in conjunction with construction risk
Know module, risk pool module, judge modeling distribution module, establishes construction safety assessment models, and pass through input construction risk
Factor counts the construction Integral safety evaluation coefficient in each work progress, with to construction risk factor each in work progress to applying
The comprehensive assessment of work process safety substantially increases the safety in work progress, farthest reduces in work progress
Danger and accident rate, the safety of protection staff.
Distribution module is modeled to construction risk factor opening relationships matrix by using judging, and to the relational matrix of foundation
Operation, analysis, processing are carried out, to establish ladder grade structural model, the foundation of ladder grade structural model is intuitively shown each
Relevance between construction risk factor carries out comprehensive control convenient for the construction risk factor in the construction section, applies safely for the later period
Work lays the foundation.
By association analysis module of constructing, discretization, the statistics of degree of dependence are carried out to construction risk factor, and to respectively applying
Work risk factor is normalized, to count the corresponding weight of construction risk factor in each construction section, improve it is dangerous because
Plain weight statistical accuracy improves the comprehensive assessment of each construction risk factor, so that the danger of each construction risk factor is commented
Valence grade accuracy is high.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of schematic diagram of the safe construction assessment system of engineering project in the present invention；
Fig. 2 is the schematic diagram of ladder hierarchical organization model in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, a kind of safe construction assessment system of engineering project, including construction division module, construction wind
Danger identification module, risk plan as a whole module, judge modeling distribution module, construction association analysis module, management server and input with
Display module；
Construction risk identification module and risk are planned as a whole module and connects, risk plan as a whole module by judge model distribution module and
Association analysis module of constructing connection, management server plan as a whole respectively with risk module, judge modeling distribution module, construction is associated with point
Analysis module and input are connect with display module.
Construction division module is divided into several construction sections, and to each for dividing to the work progress of engineering project
Construction section is divided into several working procedures, wherein is ranked up volume according to construction sequencing to construction section each in engineering project
Number, respectively 1,2 ..., K ..., n, n are expressed as the construction section sum of the engineering project；
Construction risk identification module is sent out for identifying to potential risks accidents all kinds of in work progress, and to accident
The number of raw risk factor and generation carries out investigation screening, with the risk source inventory being set out in work progress, and by sieve
The risk source inventory listed is sent to risk and plans as a whole module, and the risk source inventory includes risk factor, the generation that accident occurs
Number etc.；
Risk plans as a whole module and is used to receive the risk source inventory that construction risk identification module is sent, clear to received risk source
The risk factor that accident occurs in list is classified, be divided into the factor of personnel, equipment-object factor, the factor of environment and
The factor of management sets human factor, equipment-object factor, the factor of environment and the factor of management to level-one danger and refers to
Mark, sets secondary threat index for the specific safety accident risk factor under each level-one Danger Indexes, to constitute engineering item
The safe construction risk indicator of mesh construction, and the safe construction risk indicator of Construction of Engineering Projects is respectively sent to judge modeling
Distribution module and management server；
Wherein, the factor of personnel includes operation error, ignores safety in level-one Danger Indexes, because of safety caused by misoperation
Facility failure climbs, sits the risk factors such as uneasy all positon；Equipment-object factor includes construction equipment existing defects itself, mechanical
Equipment unnecessarily protective device or has but does not meet safety requirements, and workpiece, material, article placement location are improper, operational method
The risk factors such as dangerous of object caused by incorrect；The factor of environment includes duty existing for outdoor bad climate, Work places
The risk factors such as industry risk factor and time, the factor of management include education, rule before security clearance, emergency preplan and rescue, work
The risk factors such as model input for safety management.
It judges modeling distribution module and is used to receive the safe construction risk that risk plans as a whole the Construction of Engineering Projects that module is sent
Index divides received safe construction risk indicator according to each construction section, and by each construction risk in each construction section
Factor carries out step analysis, to analyze the level distribution relation in each construction section between each construction risk factor, and by each construction section
Level distribution relation between interior each construction risk factor is respectively sent to construction association analysis module and management server；
The step analysis judged in modeling distribution module statistics construction section between each construction risk factor, specifically include with
Lower step:
W1, the construction section that will test are as construction factor problem；
W2, the construction risk factor T that construction factor problem is influenced in safe construction risk indicator is choseni, in each construction section
Construction risk factors composition construction section risk factor set Tk (T1,T2,...,Ti,...,Tj,...,Tm), Tk is expressed as k-th
The construction risk sets of factors of construction section, Ti、TjIt is expressed as i-th and j-th of construction risk factor in construction section, m is indicated
For the sum of construction risk factor in k-th of construction section；
W3, according to the relationship between construction risk factor each in same construction section, opening relationships matrix A；
Wherein, relational matrix A is made of m row m column element, defines the element a in relational matrixij,I=1,2 ..., m, j=1,2 ..., m；
W4, relational matrix A and unit matrix I is subjected to operation, obtains provisional matrix B, wherein B=(A+I)r+1=(A+
I)r≠...≠(A+I)2≠ A+I, and r=1,2 ...；
W5, processing and region division processing are divided carrying out grade to provisional matrix B, drawn according to division processing and region between grade
Processing is divided to extract skeleton pattern；
Wherein, dividing between grade is according to all construction risk factors in construction factor problem, using provisional matrix B as base
Plinth is divided into different levels, in provisional matrix B, by TiAccessibility construction risk factors composition influences collection U (Ti), it reaches
TiAll construction risk factors compositions collect V (T at firsti), U (T is collected according to influencei) at first collect V (Ti) calculate overlapping collection C
(Si), the overlapping collection collects U (T by influencingi) at first collect V (Ti) between lap constitute, C(Si)=U (Ti)∩V(Ti)；
Region division carries out grade classification for all construction risk factors corresponding to construction factor problem, successively divides
At E1, E2 ..., Ee, and E1, E2 ..., the grade of Ee successively reduces；
When influence collects U (Ti) with Chong Die collection C (Si) included construction risk factor it is identical when, will overlapping collection C (Si) in
Construction risk factor deletes overlapping collection C (S as the construction risk factor under E1 grade in provisional matrix Bi) in construction danger
Row and column where dangerous factor similarly finds out the construction risk factor of lower level, the construction risk factor of each grade of formation
Constitute skeleton pattern.
W6, ladder grade structural model is established according to skeleton pattern, as shown in Fig. 2, ladder grade structural model is for showing
Show the level distribution relation in the construction section between each construction risk factor, wherein AK11, AK12 ..., AK1i is expressed as k-th
The corresponding construction risk factor of E1 grade in construction section, AK21, AK22 ..., AK2i be expressed as E2 grade in k-th of construction section
Corresponding construction risk factor, AKe1, AKe2 ..., AKei be expressed as the corresponding construction risk of Ee grade in k-th of construction section
Factor, and the relationship between AKei and AK (e-1) i is expressed as causing AK (e-1) i corresponding by the corresponding construction risk factor of AKei
Construction risk factor.
By using being analyzed the construction risk factor in each construction section, being handled, to be divided into the construction of several layers
Risk factor grade intuitively understands the relevance between each construction risk factor, convenient for the construction risk factor in the construction section
Comprehensive control is carried out, is laid the foundation for later period safe construction.
Construction association analysis module be used for receives judge association analysis module transmission each construction section in each construction risk because
Level distribution relation between element carries out weight calculation to construction risk factor each in received each construction section, and by each of statistics
The weight of each construction risk factor in construction section is sent to management server；
The construction association analysis module calculates the corresponding weight method of each construction risk factor in each construction section, including with
Lower step:
Step 1 carries out sliding-model control to construction risk factor: by each construction risk factor in each construction section according to layer
Secondary distribution relation carries out discretization, and each construction section is indicated attribute value, respectively 1 with different code, 2 ..., f ...,
N is ranked up construction risk factor each in each construction section according to the level distribution situation construction risk factor, construction section
Interior construction risk factor is conditional attribute, i.e. conditional attribute collection Lf={ lf1,lf2,...,lfj,...,lfM }, each construction risk because
The danger classes of element is decision attribute, and decision kind set Z={ y }, y are expressed as the Risk Assessments grade of construction expert, and danger is commented
Valence grade is 1,2,3 ranks；
Wherein, the determination of Risk Assessments grade, comprising the following steps:
P1, several architectural engineering experts of acquisition evaluate the danger classes of construction risk factor each in each construction section；
The average danger classes of P2, each construction risk factor in each construction section of statistics
It is expressed as the danger classes of i-th of construction risk factor in k-th of construction section of the Q architectural engineering expert evaluation, L is expressed as
The quantity of architectural engineering expert；
P3, judge architectural engineering expert in k-th of construction section i-th of construction risk factor evaluate danger classes whether
In 0.7 χKi-1.2χKiBetween, if not existing, reject architectural engineering expert to i-th of construction risk in k-th of construction section because
The danger classes of element evaluation, if, retain in k-th of construction section of the architectural engineering expert evaluation i-th of construction risk because
The danger classes of element, and execute step P4；
The synthesis danger classes of each construction risk factor in P4, each construction section of statisticsTable
It is shown as the danger classes of i-th of construction risk factor in k-th of construction section of the Q architectural engineering expert evaluation, L ' is expressed as
Architectural engineering expert's quantity of reservation.
Comprehensive assessment is carried out to construction risk factor each in each construction section by using several architectural engineering experts, is improved
The comprehensive assessment of each construction risk factor, so that the Risk Assessments grade accuracy of each construction risk factor is high.
Step 2 calculates decision kind set Z to the degree of dependence of conditional attribute collection L
It is expressed as the quantity that all equivalence y are constituted in U；
Step 3, to each conditional attribute lfJ calculates decision kind set Z to conditional attribute collection Lf-lfThe degree of dependence of j
It is expressed as in U in addition to lfThe corresponding y of j
The quantity that all equivalence y in addition are constituted；
Step 4 calculates each conditional attribute using the calculation formula of Importance of Attributes to the importance of decision attribute, then jth
The importance of kind conditional attribute are as follows:
The importance of each conditional attribute is normalized in step 5, the jth kind conditional attribute after being normalized
Weight coefficient:
Management server is used to receive the safe construction Danger Indexes that risk plans as a whole the Construction of Engineering Projects that module is sent, right
Received safe construction Danger Indexes divide according to human factor, equipment-object factor, environmental factor and management factors and be deposited
Storage, and be stored with projects in management server and the corresponding Forewarning Measures of each construction risk factor occur in the construction process；
Management server receives the level judged in each construction section that modeling distribution module is sent between each construction risk factor
Distribution relation, the level distribution relation between each construction risk factor counts the ratio value of each construction risk factor based on the received,
Management server receives the weight of each construction risk factor in each construction section that construction association analysis module is sent, management server
Extract the ratio value of each construction risk factor and the weight of each construction risk factor, according to the ratio value of construction risk factor with
And the weight of each construction risk factor, establish construction safety assessment modelsψ is expressed as construction Integral safety evaluation coefficient, ηkIt is expressed as
The corresponding construction safety of k construction section assesses subsystem number, and gAkfj is expressed as in k-th of construction section applying for j-th in f-th of grade
The corresponding ratio value of work risk factor, υfjIt is expressed as the corresponding weight of j-th of construction risk factor, υ in f-th of gradefj∈υj；
Wherein, in k-th of construction sectionEqual to the sum of construction risk factor quantity all in the construction section,
Management server receives the settled construction risk factor that input is sent with display module, and in each construction risk
Level distribution relation between factor removes settled construction risk factor, by the corresponding ratio of settled construction risk factor
Value is set as 1, and unsolved construction risk factor is set as 0, counts the construction Integral safety evaluation coefficient of the projects and will not
The corresponding Forewarning Measures of construction risk factor of solution are sent to input and display module, wherein construction Integral safety evaluation system
Number is bigger, shows that the safety of construction is bigger.
Input implements unsolved construction risk factor in the projects for inputting with display module, and will not solve
Construction risk factor be sent to management server, receive the construction Integral safety evaluation for the projects that management server is sent
Coefficient and the corresponding Forewarning Measures of unsolved construction risk factor are simultaneously shown.
A kind of safe construction appraisal procedure of engineering project, comprising the following steps:
H1, the work progress in engineering project is divided, is divided into several construction sections, and successively suitable according to construction section
Sequence is ranked up number, respectively 1, and 2 ..., i ..., n, n are expressed as the construction section sum of the engineering project；
H2, statistics work progress in various risks accident, and to accident occur risk factor and generation number into
Row screening, enumerates into risk source inventory, and the risk source inventory includes the risk factor that accident occurs and number of generation etc.；
H3, in risk inventory accident occur risk factor classify, be divided into human factor, equipment-object factor,
Environmental factor and management factors, and each risk factor is divided into safe construction risk indicator；
H4, the safe construction risk indicator of Construction of Engineering Projects is divided according to construction section, and counts each construction section
Interior each construction risk factor carries out step analysis, to analyze the level distribution relation in each construction section between each construction risk factor；
Each construction risk factor carries out weight in H5, each construction section of statistics；
The weighing computation method, comprising the following steps:
Step 1 carries out sliding-model control to construction risk factor: by each construction risk factor in each construction section according to layer
Secondary distribution relation carries out discretization, and each construction section is indicated attribute value, respectively 1 with different code, 2 ..., f ...,
N is ranked up construction risk factor each in each construction section according to the level distribution situation construction risk factor, construction section
Interior construction risk factor is conditional attribute, i.e. conditional attribute collection Lf={ lf1,lf2,...,lfj,...,lfM }, each construction risk because
The danger classes of element is decision attribute, and decision kind set Z={ y }, y are expressed as the Risk Assessments grade of construction expert, and danger is commented
Valence grade is 1,2,3 ranks；
Step 2 calculates decision kind set Z to the degree of dependence of conditional attribute collection L
It is expressed as the quantity that all equivalence y are constituted in U；
Step 3, to each conditional attribute lfJ calculates decision kind set Z to conditional attribute collection Lf-lfThe degree of dependence of j
It is expressed as in U in addition to lfThe corresponding y of j
The quantity that all equivalence y in addition are constituted；
Step 4 calculates each conditional attribute using the calculation formula of Importance of Attributes to the importance of decision attribute, then jth
The importance of kind conditional attribute are as follows:
The importance of each conditional attribute is normalized in step 5, the jth kind conditional attribute after being normalized
Weight coefficient:
H6, the ratio that the level distribution relation between each construction risk factor counts each construction risk factor is counted according to step H4
Example value, and step H5 is combined, establish construction safety assessment models；
Unsolved construction risk factor in the projects is implemented in H7, input, and by unsolved construction risk factor
Substitute into construction safety assessment models, the construction Integral safety evaluation coefficient of the statistics construction projects.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (8)
1. a kind of safe construction assessment system of engineering project, it is characterised in that: including construction division module, construction risk identification
Module, risk plan as a whole module, judge modeling distribution module, construction association analysis module, management server and input and show mould
Block；
Construction risk identification module is planned as a whole module with risk and connect, risk plan as a whole module by judge model distribution module and
Association analysis module of constructing connection, management server plan as a whole respectively with risk module, judge modeling distribution module, construction is associated with point
Analysis module and input are connect with display module；
The construction division module is divided into several construction sections, and to each for dividing to the work progress of engineering project
Construction section is divided into several working procedures, wherein is ranked up volume according to construction sequencing to construction section each in engineering project
Number, respectively 1,2 ..., k ..., n, n are expressed as the construction section sum of the engineering project；
The construction risk identification module is sent out for identifying to potential risks accidents all kinds of in work progress, and to accident
The number of raw risk factor and generation carries out investigation screening, with the risk source inventory being set out in work progress, and by sieve
The risk source inventory listed is sent to risk and plans as a whole module；
The risk plans as a whole module and is used to receive the risk source inventory that construction risk identification module is sent, clear to received risk source
The risk factor that accident occurs in list is classified, be divided into the factor of personnel, equipment-object factor, the factor of environment and
The factor of management sets human factor, equipment-object factor, the factor of environment and the factor of management to level-one danger and refers to
Mark, sets secondary threat index for the specific safety accident risk factor under each level-one Danger Indexes, to constitute engineering item
The safe construction risk indicator of mesh construction, and the safe construction risk indicator of Construction of Engineering Projects is respectively sent to judge modeling
Distribution module and management server；
The modeling distribution module of judging is used to receive the safe construction risk that risk plans as a whole the Construction of Engineering Projects that module is sent
Index divides received safe construction risk indicator according to each construction section, and by each construction risk in each construction section
Factor carries out step analysis, to analyze the level distribution relation in each construction section between each construction risk factor, and by each construction section
Level distribution relation between interior each construction risk factor is respectively sent to construction association analysis module and management server；
It is described construction association analysis module be used for receives judge association analysis module transmission each construction section in each construction risk because
Level distribution relation between element carries out weight calculation to construction risk factor each in received each construction section, and by each of statistics
The weight of each construction risk factor in construction section is sent to management server；
The management server is used to receive the safe construction Danger Indexes that risk plans as a whole the Construction of Engineering Projects that module is sent, right
Received safe construction Danger Indexes divide according to human factor, equipment-object factor, environmental factor and management factors and be deposited
Storage, and be stored with projects in management server and the corresponding Forewarning Measures of each construction risk factor occur in the construction process；
The management server receives the level judged in each construction section that modeling distribution module is sent between each construction risk factor
Distribution relation, the level distribution relation between each construction risk factor counts the ratio value of each construction risk factor based on the received,
Management server receives the weight of each construction risk factor in each construction section that construction association analysis module is sent, management server
Extract the ratio value of each construction risk factor and the weight of each construction risk factor, according to the ratio value of construction risk factor with
And the weight of each construction risk factor, establish construction safety assessment models；
The management server receives the settled construction risk factor that input is sent with display module, and in each construction risk
Level distribution relation between factor removes settled construction risk factor, by the corresponding ratio of settled construction risk factor
Value is set as 1, and unsolved construction risk factor is set as 0, counts the construction Integral safety evaluation coefficient of the projects and will not
The corresponding Forewarning Measures of construction risk factor of solution are sent to input and display module；
The input implements unsolved construction risk factor in the projects for inputting with display module, and will not solve
Construction risk factor be sent to management server, receive the construction Integral safety evaluation for the projects that management server is sent
Coefficient and the corresponding Forewarning Measures of unsolved construction risk factor are simultaneously shown.
2. a kind of safe construction assessment system of engineering project according to claim 1, it is characterised in that: the judge is built
Mould distribution module counts the step analysis in construction section between each construction risk factor, specifically includes the following steps:
W1, the construction section that will test are as construction factor problem；
W2, the construction risk factor T that construction factor problem is influenced in safe construction risk indicator is choseni, the interior construction danger of each construction section
Dangerous factors composition construction section risk factor set Tk (T1,T2,...,Ti,...,Tj,...,Tm), Tk is expressed as k-th of construction section
Construction risk sets of factors, Ti、TjIt is expressed as in construction section i-th and j-th of construction risk factor, m is expressed as kth
The sum of construction risk factor in a construction section；
W3, according to the relationship between construction risk factor each in same construction section, opening relationships matrix A；
Wherein, relational matrix A is made of m row m column element, defines the element a in relational matrixij,
W4, relational matrix A and unit matrix I is subjected to operation, obtains provisional matrix B, wherein B=(A+I)r+1=(A+I)r
≠...≠(A+I)2≠ A+I, and r=1,2 ...；
W5, processing and region division processing are divided carrying out grade to provisional matrix B, divide at processing and region division according between grade
Reason extracts skeleton pattern；
W6, ladder grade structural model is established according to skeleton pattern, as shown in Fig. 2, ladder grade structural model is for showing this
Level distribution relation in construction section between each construction risk factor, wherein AK11, AK12 ..., AK1i be expressed as k-th of construction
The corresponding construction risk factor of E1 grade in section, AK21, AK22 ..., that AK2i is expressed as in k-th of construction section E2 grade is corresponding
Construction risk factor, AKe1, AKe2 ..., AKei be expressed as the corresponding construction risk factor of Ee grade in k-th of construction section,
And the relationship between AKei and AK (e-1) i is expressed as causing the corresponding construction of AK (e-1) i by the corresponding construction risk factor of AKei
Risk factor.
3. a kind of safe construction assessment system of engineering project according to claim 2, it is characterised in that: dividing between grade is
Different levels are divided into based on provisional matrix B according to all construction risk factors in construction factor problem, interim
In matrix B, by TiAccessibility construction risk factors composition influences collection U (Ti), reach TiAll construction risk factors compositions
Collect V (T at firsti), U (T is collected according to influencei) at first collect V (Ti) calculate overlapping collection C (Si), the overlapping collection collects U (T by influencingi)
With collection V (T at firsti) between lap constitute, C (Si)=U (Ti)∩V(Ti)；
Region division carries out grade classification for all construction risk factors corresponding to construction factor problem, is successively divided into
E1, E2 ..., Ee, and E1, E2 ..., the grade of Ee successively reduces；
When influence collects U (Ti) with Chong Die collection C (Si) included construction risk factor it is identical when, will overlapping collection C (Si) in construction
Risk factor deletes overlapping collection C (S as the construction risk factor under E1 grade in provisional matrix Bi) in construction risk because
Row and column where plain similarly finds out the construction risk factor of lower level, the construction risk factors composition of each grade of formation
Skeleton pattern.
4. a kind of safe construction assessment system of engineering project according to claim 1, it is characterised in that: the construction is closed
Join analysis module and calculate the corresponding weight method of each construction risk factor in each construction section, comprising the following steps:
Step 1 carries out sliding-model control to construction risk factor: by each construction risk factor in each construction section according to level point
Cloth relationship carries out discretization, and each construction section is indicated attribute value, respectively 1,2 ..., f ..., n with different code, right
Each construction risk factor is ranked up according to the level distribution situation between construction risk factor in each construction section, is applied in construction section
Work risk factor is conditional attribute, i.e. conditional attribute collection Lf={ lf1,lf2,...,lfj,...,lfM }, each construction risk factor
Danger classes is decision attribute, and decision kind set Z={ y }, y are expressed as the Risk Assessments grade of construction expert, Risk Assessments etc.
Grade is 1,2,3 ranks；
Step 2 calculates decision kind set Z to the degree of dependence of conditional attribute collection L
U=m,It is expressed as the quantity that all equivalence y are constituted in U；
Step 3, to each conditional attribute lfJ calculates decision kind set Z to conditional attribute collection Lf-lfThe degree of dependence of j
U=m,It is expressed as in U in addition to lfOther than the corresponding y of j
The quantity that all equivalence y are constituted；
Step 4 calculates each conditional attribute using the calculation formula of Importance of Attributes to the importance of decision attribute, then jth kind item
The importance of part attribute are as follows:
The importance of each conditional attribute is normalized in step 5, the power of the jth kind conditional attribute after being normalized
Weight coefficient:
5. a kind of safe construction assessment system of engineering project according to claim 4, it is characterised in that: the danger is commented
The determination of valence grade, comprising the following steps:
P1, several architectural engineering experts of acquisition evaluate the danger classes of construction risk factor each in each construction section；
The average danger classes of P2, each construction risk factor in each construction section of statistics It indicates
For the danger classes of i-th of construction risk factor in k-th of construction section of the Q architectural engineering expert evaluation, L is expressed as building
The quantity of engineering specialist；
P3, judge architectural engineering expert in k-th of construction section i-th of construction risk factor evaluate danger classes whether
0.7χKi-1.2χKiBetween, if not existing, architectural engineering expert is rejected to i-th of construction risk factor in k-th of construction section
The danger classes of evaluation, if retaining i-th of construction risk factor in k-th of construction section of the architectural engineering expert evaluation
Danger classes, and execute step P4；
The synthesis danger classes of each construction risk factor in P4, each construction section of statistics It is expressed as
The danger classes of i-th of construction risk factor in k-th of construction section of the Q architectural engineering expert evaluation, L ' are expressed as retaining
Architectural engineering expert's quantity.
6. a kind of safe construction assessment system of engineering project according to claim 1, it is characterised in that: the construction peace
Full assessment models ψ is expressed as construction Integral safety evaluation coefficient,
ηKIt is expressed as the corresponding construction safety assessment subsystem number of k-th of construction section, gAKei is expressed as i-th of construction in e-th of grade and endangers
The corresponding ratio value of dangerous factor, υeiIt is expressed as the corresponding weight of i-th of construction risk factor, υ in e-th of gradeei∈υj。
7. a kind of safe construction appraisal procedure of engineering project, it is characterised in that: the following steps are included:
H1, the work progress in engineering project is divided, is divided into several construction sections, and according to construction section sequencing into
Row sequencing numbers, respectively 1,2 ..., i ..., n, n are expressed as the construction section sum of the engineering project；
Various risks accident in H2, statistics work progress, and the number of risk factor and generation that accident occurs is sieved
Choosing, enumerates into risk source inventory, and the risk source inventory includes the risk factor that accident occurs and number of generation etc.；
H3, the risk factor that accident in risk inventory occurs are classified, and human factor, equipment-object factor, environment are divided into
Factor and management factors, and each risk factor is divided into safe construction risk indicator；
H4, the safe construction risk indicator of Construction of Engineering Projects is divided according to construction section, and counts each in each construction section
Construction risk factor carries out step analysis, to analyze the level distribution relation in each construction section between each construction risk factor；
Each construction risk factor carries out weight in H5, each construction section of statistics；
H6, the ratio that the level distribution relation between each construction risk factor counts each construction risk factor is counted according to step H4
Value, and step H5 is combined, establish construction safety assessment models；
H7, input implement unsolved construction risk factor in the projects, and unsolved construction risk factor is substituted into
Construction safety assessment models, the construction Integral safety evaluation coefficient of the statistics construction projects.
8. a kind of safe construction appraisal procedure of engineering project according to claim 7, it is characterised in that: the weight meter
Calculation method, comprising the following steps:
Step 1 carries out sliding-model control to construction risk factor: by each construction risk factor in each construction section according to level point
Cloth relationship carries out discretization, and each construction section is indicated attribute value, respectively 1,2 ..., f ..., n with different code, right
Each construction risk factor is ranked up according to the level distribution situation between construction risk factor in each construction section, is applied in construction section
Work risk factor is conditional attribute, i.e. conditional attribute collection Lf={ lf1,lf2,...,lfj,...,lfM }, each construction risk factor
Danger classes is decision attribute, and decision kind set Z={ y }, y are expressed as the Risk Assessments grade of construction expert, Risk Assessments etc.
Grade is 1,2,3 ranks；
Step 2 calculates decision kind set Z to the degree of dependence of conditional attribute collection L
U=m,It is expressed as the quantity that all equivalence y are constituted in U；
Step 3, to each conditional attribute lfJ calculates decision kind set Z to conditional attribute collection Lf-lfThe degree of dependence of j
U=m,It is expressed as in U in addition to lfOther than the corresponding y of j
The quantity that all equivalence y are constituted；
Step 4 calculates each conditional attribute using the calculation formula of Importance of Attributes to the importance of decision attribute, then jth kind item
The importance of part attribute are as follows:
The importance of each conditional attribute is normalized in step 5, the power of the jth kind conditional attribute after being normalized
Weight coefficient:
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