CN118329699B - Concrete on-line detection method and system - Google Patents
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention provides a concrete on-line detection method and a system, which belong to the technical field of material detection and specifically comprise the following steps: and carrying out matching coefficients of different historical stirring times in stirring current data and matching historical data of the concrete based on stirring currents of different moments of the concrete, determining comprehensive current matching coefficients of the concrete and different concrete batching ratios and suspected matching batching ratios in the concrete batching ratios through the matching coefficients, taking the comprehensive current matching coefficients of the concrete and the different concrete batching ratios as vibration matching batching ratios when the suspected matching batching ratios meeting requirements exist, acquiring initial batching ratio data of the concrete, and adopting a test mode to realize slump evaluation of the concrete when the concrete does not exist according to the comprehensive current matching coefficients of the concrete and the different vibration matching batching ratios and the comprehensive vibration matching coefficients, thereby ensuring the accuracy of a detection result of the concrete.
Description
Technical Field
The invention belongs to the technical field of material detection, and particularly relates to a concrete on-line detection method and system.
Background
Concrete is one of the most important civil engineering materials in the current generation, and slump is an important index of concrete workability and is used for measuring the fluidity of concrete mixtures so as to judge whether construction can be performed normally, and slump is often measured in a manual test mode in the actual engineering practice process, so that the accuracy and instantaneity of measurement are difficult to meet the requirements, and the problem of how to realize online detection of slump is a technical problem to be solved urgently.
In order to solve the technical problems, in the invention patent CN202210799909.2, an online detection method for slump of concrete, the corresponding relationship between the slump and the concrete batching ratio, the working current of a concrete stirring main machine, the vibration frequency and the stirring time is detected and analyzed, so that the online detection of the slump in the concrete production process is realized, but the following technical problems are found easily through analysis:
Because the mass of the engineering material, such as the grain diameter and the water content of the sand, does not deviate to a certain extent, the concrete mixing ratio of the engineering material cannot be set, and the working current and the vibration frequency of a concrete mixing main machine of the concrete with the same concrete mixing ratio often have a certain correlation with the fluctuation of the mixing time, if the correlation cannot be considered, the accuracy of the slump detection result of the concrete is difficult to meet the requirement under the condition that the concrete mixing ratio has errors.
Aiming at the technical problems, the invention provides a concrete on-line detection method and system.
Disclosure of Invention
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
according to one aspect of the invention, an on-line concrete detection method is provided.
The concrete on-line detection method is characterized by comprising the following steps of:
S1, determining matching historical data of concrete according to the quality of the concrete, and determining comprehensive current matching coefficients of the concrete and different concrete batching ratios and suspected matching batching ratios in the concrete batching ratios based on matching coefficients of different historical stirring times in the matching historical data of the concrete and the stirring current of the concrete at different moments;
S2, taking the historical matching data corresponding to the suspected matching batching ratio as screening historical data, determining vibration matching coefficients of different historical stirring times in the stirring vibration data and the screening historical data of the concrete according to vibration frequencies of different moments of the concrete, determining comprehensive vibration matching coefficients of the concrete and different suspected matching batching ratios through the vibration matching coefficients, taking the comprehensive vibration matching coefficients as vibration matching batching ratios when the comprehensive vibration matching coefficients meet the required suspected matching batching ratios, and entering the next step;
S3, acquiring initial batching ratio data of the concrete, and entering a next step when determining that the concrete does not have the matching batching ratio by combining comprehensive current matching coefficients and comprehensive vibration matching coefficients of the concrete and different vibration matching batching ratios;
and S4, evaluating the slump of the concrete in a test mode.
According to a further technical scheme, the matching historical data of the concrete are determined according to the concrete quality of different historical stirring times, and the concrete data corresponding to the historical stirring times with the deviation of the concrete quality within a preset range are used as the matching historical data.
The further technical scheme is that the stirring current of the concrete at different moments is determined according to the monitoring result of the working current of the concrete stirring main machine of the concrete.
The further technical scheme is that the method for determining the matching proportioning ratio comprises the following steps:
Determining a basic batching matching coefficient of the concrete and the vibration matching batching ratio according to the initial batching ratio data of the concrete and the batching ratio data of the vibration matching batching ratio;
Determining comprehensive matching coefficient evaluation values of different historical stirring times based on the matching coefficients of different historical stirring times of the concrete and the vibration matching proportioning ratio and the vibration matching coefficients, and determining comprehensive matching coefficients of the concrete and the vibration matching proportioning ratio according to the comprehensive matching coefficient evaluation values of different historical stirring times;
and correcting the basic ingredient matching coefficient according to the comprehensive matching coefficient, the comprehensive current matching coefficient and the comprehensive vibration matching coefficient to obtain a corrected matching coefficient, and determining whether the vibration matching ingredient ratio is the matching ingredient ratio or not according to the corrected matching coefficient.
The further technical scheme is that whether the vibration matching proportioning ratio is the matching proportioning ratio is determined by the correction matching coefficient, and the method specifically comprises the following steps:
and when the corrected matching coefficient of the vibration matching proportioning ratio is larger than a preset matching coefficient limiting amount, determining that the vibration matching proportioning is the matching proportioning ratio.
The further technical scheme is that when the matched proportioning ratio exists, the slump of the concrete is determined according to the matched proportioning ratio and the stirring time of the concrete.
In another aspect, the present invention provides an online concrete detection system, which adopts the above-mentioned online concrete detection method, and is characterized in that the system specifically includes:
the current matching evaluation module, the vibration matching evaluation module, the matching proportioning ratio screening module and the slump evaluation module;
The current matching evaluation module is responsible for determining matching historical data of the concrete according to the quality of the concrete, and carrying out matching coefficients of different historical stirring times in the stirring current data and the matching historical data of the concrete based on stirring currents at different moments of the concrete, and determining comprehensive current matching coefficients of the concrete and different concrete batching ratios and suspected matching batching ratios in the concrete batching ratios through the matching coefficients;
The vibration matching evaluation module is responsible for taking the history matching data corresponding to the suspected matching batching ratio as screening history data, determining vibration matching coefficients of different history stirring times in the stirring vibration data and the screening history data of the concrete according to the vibration frequencies of different moments of the concrete, determining comprehensive vibration matching coefficients of the concrete and different suspected matching batching ratios through the vibration matching coefficients, and taking the comprehensive vibration matching coefficients as the vibration matching batching ratio when the comprehensive vibration matching coefficients meet the required suspected matching batching ratio;
The matching batching ratio screening module is responsible for acquiring initial batching ratio data of the concrete, and determining whether the matching batching ratio exists in the concrete by combining comprehensive current matching coefficients and comprehensive vibration matching coefficients of the concrete and different vibration matching batching ratios;
The slump evaluation module is responsible for realizing the evaluation of the slump of the concrete in a test mode.
The invention has the beneficial effects that:
1. The comprehensive current matching coefficients of the concrete and different concrete matching ratios and the suspected matching ratio in the concrete matching ratios are determined through the matching coefficients, so that accurate evaluation of the current matching conditions of the different concrete matching ratios is realized through the current change conditions and the current matching conditions at different moments, and meanwhile, screening of the suspected matching ratio in the concrete matching ratio with higher current matching conditions is also realized, and a foundation is laid for further evaluation of slump of the concrete.
2. The method has the advantages that whether the concrete is matched with the proportioning ratio is determined based on the initial proportioning ratio data of the concrete, the comprehensive current matching coefficient of the concrete and different vibration matching proportioning ratios and the comprehensive vibration matching coefficient, so that the matching proportioning ratio of the concrete is screened from three angles of proportioning ratio data, current matching conditions and vibration matching conditions, the technical problem that the original slump evaluation result caused by the difference of materials of different batches of concrete is inaccurate is avoided, and the slump evaluation result accuracy of the concrete is guaranteed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention as set forth hereinafter.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a flow chart of a method of on-line detection of concrete;
FIG. 2 is a flow chart of a method of determining matching coefficients;
FIG. 3 is a flow chart of a method of determining a composite current matching coefficient;
FIG. 4 is a flow chart of a method of determining vibration matching coefficients;
FIG. 5 is a flow chart of a method of determining a matching ingredient ratio;
fig. 6 is a frame diagram of a concrete on-line inspection system.
Detailed Description
In order to make the technical solutions in the present specification better understood by those skilled in the art, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only some embodiments of the present specification, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present disclosure.
Further explanation will be made below from two perspectives of the method class embodiment and the system class embodiment.
Method class embodiment
In order to solve the above problems, according to one aspect of the present invention, as shown in fig. 1, there is provided an on-line concrete detection method, which is characterized by comprising:
S1, determining matching historical data of concrete according to the quality of the concrete, and determining comprehensive current matching coefficients of the concrete and different concrete batching ratios and suspected matching batching ratios in the concrete batching ratios based on matching coefficients of different historical stirring times in the matching historical data of the concrete and the stirring current of the concrete at different moments;
Specifically, the matching history data of the concrete is determined according to the mass of the concrete with different historical stirring times, and the data corresponding to the historical stirring times with the deviation of the mass of the concrete within a preset range is specifically used as the matching history data.
Further, the stirring currents of the concrete at different moments are determined according to the monitoring result of the working current of the concrete stirring main machine of the concrete.
In one possible embodiment, as shown in fig. 2, the method for determining the matching coefficient is as follows:
Determining the number of the matching moments of the concrete and the stirring currents of different historical stirring times in the matching historical data and the distribution data of the matching moments according to the stirring currents of the concrete at different moments, and determining current distribution matching coefficients of the concrete and different historical stirring times in the matching historical data according to the deviation amounts of the stirring currents at different moments;
determining the fluctuation amount of the stirring current between different adjacent moments based on the stirring current of the concrete, determining the quantity of the matching fluctuation moments of different historical stirring times in the concrete and the matching historical data and the distribution data of the different matching fluctuation moments according to the fluctuation amount of the stirring current between different adjacent moments, and determining the current fluctuation matching coefficient of different historical stirring times in the concrete and the matching historical data according to the fluctuation amount of the stirring current between different adjacent moments;
And acquiring the monitoring time length of the stirring current of the concrete, and determining the matching coefficients of different historical stirring times in the concrete and the matching historical data by combining the current variation matching coefficient and the current distribution matching coefficient.
Specifically, the matching time is determined according to the stirring current at different times of different historical stirring times in the concrete and the matching historical data, and specifically, the time when the stirring current is smaller than the preset power amplitude is taken as the matching time.
In one possible embodiment, as shown in fig. 3, the method for determining the integrated current matching coefficient is as follows:
determining the matching stirring times and the deviation stirring times of the concrete and the concrete batching ratio based on the matching coefficients of the different historical stirring times of the concrete and the concrete batching ratio;
determining the matching coefficient evaluation quantity of the concrete and the concrete batching ratio according to the matching stirring times of the concrete and the concrete batching ratio, the matching coefficients of different matching stirring times and the stirring time of different matching stirring times;
Determining the deviation coefficient evaluation quantity of the concrete and the concrete batching ratio according to the deviation stirring times of the concrete and the concrete batching ratio, the matching coefficients of different deviation stirring times and the stirring time length of different deviation stirring times;
And acquiring historical stirring times corresponding to the concrete batching ratio, and determining the comprehensive current matching coefficient of the concrete and the concrete batching ratio by combining the matching coefficient evaluation quantity and the deviation coefficient evaluation quantity of the concrete and the concrete batching ratio.
Further, when the comprehensive current matching coefficient of the concrete and the concrete meets the preset matching coefficient requirement, determining the concrete mixing ratio as a suspected matching mixing ratio.
Specifically, when the concrete does not have the suspected matching proportion, the slump of the concrete is evaluated in a test mode.
In another possible embodiment, the method for determining the integrated current matching coefficient is as follows:
Determining the matching stirring times and the deviation stirring times of the concrete and the concrete proportioning ratio based on the matching coefficients of the different historical stirring times of the concrete and the concrete proportioning ratio, judging whether the matching stirring times meet the requirements, if so, entering the next step, and if not, determining that the concrete proportioning ratio does not belong to the suspected matching proportioning ratio;
Taking the ratio of the deviation stirring times to the matching stirring times as a stirring deviation ratio, judging whether the stirring deviation ratio meets the requirement, if so, entering the next step, and if not, determining that the concrete batching ratio does not belong to a suspected matching batching ratio;
Determining the matching coefficient evaluation quantity of the concrete and the concrete batching ratio according to the matching stirring times of the concrete and the concrete batching ratio, the matching coefficients of different matching stirring times and the stirring time of different matching stirring times, judging whether the matching coefficient evaluation quantity meets the requirement, if so, entering the next step, and if not, determining that the concrete batching ratio does not belong to the suspected matching batching ratio;
Determining the deviation coefficient evaluation quantity of the concrete and the concrete batching ratio according to the deviation stirring times of the concrete and the concrete batching ratio, the matching coefficients of different deviation stirring times and the stirring time length of different deviation stirring times;
And acquiring historical stirring times corresponding to the concrete batching ratio, and determining the comprehensive current matching coefficient of the concrete and the concrete batching ratio by combining the matching coefficient evaluation quantity and the deviation coefficient evaluation quantity of the concrete and the concrete batching ratio.
In another possible embodiment, the method for determining the integrated current matching coefficient is as follows:
S11, determining the average value of the matching coefficients of different historical stirring times based on the matching coefficients of different historical stirring times of the concrete and the concrete proportioning ratio, judging whether the average value of the matching coefficients meets the requirement, if so, entering the next step, and if not, determining that the concrete proportioning ratio does not belong to a suspected matching proportioning ratio;
S12, carrying out the ratio evaluation quantity of the deviation stirring times in the historical stirring times of the concrete batching ratio according to the deviation stirring times and the stirring time lengths of different deviation stirring times, judging whether the ratio evaluation quantity is larger than a preset ratio threshold, if so, entering the next step, and if not, entering the step S14;
S13, determining deviation coefficient evaluation quantity of the concrete and the concrete batching ratio according to deviation stirring times of the concrete and the concrete batching ratio, matching coefficients of different deviation stirring times and stirring time lengths of different deviation stirring times, judging whether the deviation coefficient evaluation quantity meets requirements, if yes, entering the next step, and if no, determining that the concrete batching ratio does not belong to a suspected matching batching ratio;
s14, determining the matching coefficient evaluation quantity of the concrete and the concrete batching ratio through the matching stirring times of the concrete and the concrete batching ratio, the matching coefficients of different matching stirring times and the stirring time of different matching stirring times;
S15, obtaining historical stirring times corresponding to the concrete mixing ratio, and determining the comprehensive current matching coefficient of the concrete and the concrete mixing ratio by combining the matching coefficient evaluation quantity and the deviation coefficient evaluation quantity of the concrete and the concrete mixing ratio.
S2, taking the historical matching data corresponding to the suspected matching batching ratio as screening historical data, determining vibration matching coefficients of different historical stirring times in the stirring vibration data and the screening historical data of the concrete according to vibration frequencies of different moments of the concrete, determining comprehensive vibration matching coefficients of the concrete and different suspected matching batching ratios through the vibration matching coefficients, taking the comprehensive vibration matching coefficients as vibration matching batching ratios when the comprehensive vibration matching coefficients meet the required suspected matching batching ratios, and entering the next step;
In one possible embodiment, as shown in fig. 4, the method for determining the vibration matching coefficient is as follows:
Determining the number of matching times of the concrete and the vibration frequency of different historical stirring times in the matching historical data and the distribution data of the matching times according to the vibration frequency of the concrete at different times, and determining the vibration distribution matching coefficient of the concrete and the different historical stirring times in the matching historical data according to the deviation amount of the vibration frequency at different times;
Determining the fluctuation amount of the vibration frequency between different adjacent moments based on the vibration frequency of the concrete at different moments, determining the number of the matching fluctuation moments of different historical stirring times in the concrete and the matching historical data and the distribution data of the different matching fluctuation moments according to the fluctuation amount of the vibration frequency between different adjacent moments, and determining the vibration fluctuation matching coefficient of different historical stirring times in the concrete and the matching historical data according to the fluctuation amount of the vibration frequency between different adjacent moments;
And acquiring monitoring time length of the vibration frequency of the concrete, and determining the vibration matching coefficient of different historical stirring times in the concrete and the matching historical data by combining the vibration variation matching coefficient and the vibration distribution matching coefficient.
In another possible embodiment, the method for determining the integrated vibration matching coefficient is as follows:
Determining vibration matching stirring times and vibration deviation stirring times of the concrete and the suspected matching proportioning ratio based on vibration matching coefficients of different historical stirring times of the concrete and the suspected matching proportioning ratio;
Determining the estimated quantity of the vibration matching coefficient of the concrete and the suspected matching ingredient ratio according to the vibration matching stirring times of the concrete and the suspected matching ingredient ratio, the matching coefficients of different vibration matching stirring times and the stirring time of different vibration matching stirring times;
Determining the vibration deviation coefficient evaluation quantity of the concrete and the concrete batching ratio according to the vibration deviation stirring times of the concrete and the suspected matching batching ratio, the matching coefficients of different vibration deviation stirring times and the stirring time of different vibration deviation stirring times;
and acquiring historical stirring times corresponding to the suspected matching proportioning ratio, and determining the comprehensive vibration matching coefficient of the concrete and the suspected matching proportioning ratio by combining the vibration matching coefficient evaluation value and the vibration deviation coefficient evaluation value of the concrete and the suspected matching proportioning ratio.
Further, when the comprehensive vibration matching coefficient of the suspected matching proportioning ratio and the concrete is larger than a preset vibration matching coefficient, determining that the suspected matching proportioning ratio is the vibration matching proportioning ratio.
Specifically, when the suspected matching proportion meeting the requirement of the comprehensive vibration matching coefficient does not exist, the slump of the concrete is evaluated in a test mode.
In another possible embodiment, the method for determining the integrated vibration matching coefficient is as follows:
S21, determining vibration matching stirring times and vibration deviation stirring times of the concrete and the suspected matching proportioning ratio based on matching coefficients of different historical stirring times of the concrete and the suspected matching proportioning ratio, judging whether the ratio of the vibration deviation stirring times meets requirements, if yes, entering a next step, and if not, determining that the suspected matching proportioning ratio does not belong to the vibration matching proportioning ratio;
s22, judging whether the sum of vibration matching coefficients of the vibration matching stirring times is larger than a vibration matching coefficient threshold value, if so, entering a step S24, and if not, entering a next step;
S23, determining the vibration deviation coefficient evaluation amount of the concrete and the concrete batching ratio according to the vibration deviation stirring times of the concrete and the suspected matching batching ratio, the matching coefficients of different vibration deviation stirring times and the stirring time of different vibration deviation stirring times, judging whether the vibration deviation coefficient evaluation amount of the concrete and the concrete batching ratio meets the requirements, if so, entering the next step, and if not, determining that the suspected matching batching ratio does not belong to the vibration matching batching ratio;
S24, determining the estimated quantity of the vibration matching coefficient of the concrete and the suspected matching ingredient ratio through the vibration matching stirring times of the concrete and the suspected matching ingredient ratio, the matching coefficients of different vibration matching stirring times and the stirring time of different vibration matching stirring times;
S25, obtaining historical stirring times corresponding to the suspected matching proportioning ratio, and determining the comprehensive vibration matching coefficient of the concrete and the suspected matching proportioning ratio by combining the vibration matching coefficient evaluation value and the vibration deviation coefficient evaluation value of the concrete and the suspected matching proportioning ratio.
S3, acquiring initial batching ratio data of the concrete, and entering a next step when determining that the concrete does not have the matching batching ratio by combining comprehensive current matching coefficients and comprehensive vibration matching coefficients of the concrete and different vibration matching batching ratios;
in one possible embodiment, as shown in fig. 5, the method for determining the matching ingredient ratio is as follows:
Determining a basic batching matching coefficient of the concrete and the vibration matching batching ratio according to the initial batching ratio data of the concrete and the batching ratio data of the vibration matching batching ratio;
Determining comprehensive matching coefficient evaluation values of different historical stirring times based on the matching coefficients of different historical stirring times of the concrete and the vibration matching proportioning ratio and the vibration matching coefficients, and determining comprehensive matching coefficients of the concrete and the vibration matching proportioning ratio according to the comprehensive matching coefficient evaluation values of different historical stirring times;
and correcting the basic ingredient matching coefficient according to the comprehensive matching coefficient, the comprehensive current matching coefficient and the comprehensive vibration matching coefficient to obtain a corrected matching coefficient, and determining whether the vibration matching ingredient ratio is the matching ingredient ratio or not according to the corrected matching coefficient.
Specifically, determining whether the vibration matching proportioning ratio is the matching proportioning ratio by the correction matching coefficient specifically includes:
and when the corrected matching coefficient of the vibration matching proportioning ratio is larger than a preset matching coefficient limiting amount, determining that the vibration matching proportioning is the matching proportioning ratio.
Further, when the matched proportion exists, the slump of the concrete is determined according to the matched proportion and the stirring time of the concrete.
In another possible embodiment, the method for determining the matching ingredient ratio is as follows:
Determining a basic batching matching coefficient of the concrete and the vibration matching batching ratio according to the initial batching ratio data of the concrete and the batching ratio data of the vibration matching batching ratio, judging whether the basic batching matching coefficient meets the requirement, if so, entering the next step, and if not, determining that the vibration matching batching does not belong to the matching batching ratio;
determining comprehensive matching coefficient evaluation values of different historical stirring times based on the matching coefficients of different historical stirring times of the concrete and the vibration matching ingredient ratio and the vibration matching coefficients, judging whether the comprehensive matching coefficient evaluation values meet the required historical stirring times, if so, entering the next step, and if not, determining that the vibration matching ingredient does not belong to the matching ingredient ratio;
Determining the comprehensive matching coefficient of the concrete and the vibration matching proportioning ratio according to the comprehensive matching coefficient evaluation quantity of different historical stirring times, judging whether the comprehensive matching coefficient of the concrete and the vibration matching proportioning ratio meets the requirement, if so, entering the next step, and if not, determining that the vibration matching proportioning does not belong to the matching proportioning ratio;
and correcting the basic ingredient matching coefficient according to the comprehensive matching coefficient, the comprehensive current matching coefficient and the comprehensive vibration matching coefficient to obtain a corrected matching coefficient, and determining whether the vibration matching ingredient ratio is the matching ingredient ratio or not according to the corrected matching coefficient.
In another possible embodiment, the method for determining the matching ingredient ratio is as follows:
Determining comprehensive matching coefficient evaluation values of different historical stirring times based on the matching coefficients of different historical stirring times and the vibration matching coefficients of the concrete and the vibration matching ingredient ratio, judging whether the average value of the comprehensive matching coefficient evaluation values of different historical stirring times meets the requirement, if so, entering the next step, and if not, determining that the vibration matching ingredient does not belong to the matching ingredient ratio;
Taking the historical stirring times of which the comprehensive matching coefficient evaluation quantity meets the requirement as screening stirring times, judging whether the sum of the comprehensive matching coefficient evaluation quantities of the screening stirring times meets the requirement, if so, entering the next step, and if not, determining that the vibration matching ingredients do not belong to the matching ingredient ratio;
Determining the comprehensive matching coefficient of the concrete and the vibration matching proportioning ratio according to the comprehensive matching coefficient evaluation quantity of different historical stirring times, judging whether the comprehensive matching coefficient of the concrete and the vibration matching proportioning ratio meets the requirement, if so, entering the next step, and if not, determining that the vibration matching proportioning does not belong to the matching proportioning ratio;
Determining a basic batching matching coefficient of the concrete and the vibration matching batching ratio according to the initial batching ratio data of the concrete and the batching ratio data of the vibration matching batching ratio;
and correcting the basic ingredient matching coefficient according to the comprehensive matching coefficient, the comprehensive current matching coefficient and the comprehensive vibration matching coefficient to obtain a corrected matching coefficient, and determining whether the vibration matching ingredient ratio is the matching ingredient ratio or not according to the corrected matching coefficient.
And S4, evaluating the slump of the concrete in a test mode.
Specifically, the slump evaluation of the concrete is realized in a test mode, and specifically comprises the following steps:
Filling concrete into a horn-shaped slump barrel with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm for three times, uniformly striking 25 from outside to inside along the barrel wall by using a rammer after each filling, trowelling, then pulling up the barrel, and subtracting the height of the highest point of the concrete after slump from the barrel height (300 mm) due to the slump phenomenon, namely slump, wherein if the difference is 10mm, the slump is 10.
System class embodiment
In another aspect, as shown in fig. 6, the present invention provides an online concrete detection system, and the online concrete detection method is characterized by comprising:
the current matching evaluation module, the vibration matching evaluation module, the matching proportioning ratio screening module and the slump evaluation module;
The current matching evaluation module is responsible for determining matching historical data of the concrete according to the quality of the concrete, and carrying out matching coefficients of different historical stirring times in the stirring current data and the matching historical data of the concrete based on stirring currents at different moments of the concrete, and determining comprehensive current matching coefficients of the concrete and different concrete batching ratios and suspected matching batching ratios in the concrete batching ratios through the matching coefficients;
The vibration matching evaluation module is responsible for taking the history matching data corresponding to the suspected matching batching ratio as screening history data, determining vibration matching coefficients of different history stirring times in the stirring vibration data and the screening history data of the concrete according to the vibration frequencies of different moments of the concrete, determining comprehensive vibration matching coefficients of the concrete and different suspected matching batching ratios through the vibration matching coefficients, and taking the comprehensive vibration matching coefficients as the vibration matching batching ratio when the comprehensive vibration matching coefficients meet the required suspected matching batching ratio;
The matching batching ratio screening module is responsible for acquiring initial batching ratio data of the concrete, and determining whether the matching batching ratio exists in the concrete by combining comprehensive current matching coefficients and comprehensive vibration matching coefficients of the concrete and different vibration matching batching ratios;
The slump evaluation module is responsible for realizing the evaluation of the slump of the concrete in a test mode.
Through the above embodiments, the present invention has the following beneficial effects:
1. The comprehensive current matching coefficients of the concrete and different concrete matching ratios and the suspected matching ratio in the concrete matching ratios are determined through the matching coefficients, so that accurate evaluation of the current matching conditions of the different concrete matching ratios is realized through the current change conditions and the current matching conditions at different moments, and meanwhile, screening of the suspected matching ratio in the concrete matching ratio with higher current matching conditions is also realized, and a foundation is laid for further evaluation of slump of the concrete.
2. The method has the advantages that whether the concrete is matched with the proportioning ratio is determined based on the initial proportioning ratio data of the concrete, the comprehensive current matching coefficient of the concrete and different vibration matching proportioning ratios and the comprehensive vibration matching coefficient, so that the matching proportioning ratio of the concrete is screened from three angles of proportioning ratio data, current matching conditions and vibration matching conditions, the technical problem that the original slump evaluation result caused by the difference of materials of different batches of concrete is inaccurate is avoided, and the slump evaluation result accuracy of the concrete is guaranteed.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for apparatus, devices, non-volatile computer storage medium embodiments, the description is relatively simple, as it is substantially similar to method embodiments, with reference to the section of the method embodiments being relevant.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The foregoing is merely one or more embodiments of the present description and is not intended to limit the present description. Various modifications and alterations to one or more embodiments of this description will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of one or more embodiments of the present description, is intended to be included within the scope of the claims of the present description.
Claims (6)
1. The concrete on-line detection method is characterized by comprising the following steps of:
Determining matching historical data of the concrete according to the quality of the concrete, determining matching coefficients of different historical stirring times in the matching historical data of the concrete based on stirring currents of different moments of the concrete, and determining comprehensive current matching coefficients of the concrete and different concrete batching ratios and suspected matching batching ratios in the concrete batching ratios through the matching coefficients;
The historical matching data corresponding to the suspected matching batching ratio is used as screening historical data, vibration matching coefficients of different historical stirring times in the stirring vibration data and the screening historical data of the concrete are determined according to the vibration frequencies of different moments of the concrete, the comprehensive vibration matching coefficient of the concrete and different suspected matching batching ratios is determined through the vibration matching coefficients, and when the suspected matching batching ratio meeting the requirement exists, the comprehensive vibration matching coefficient is used as the vibration matching batching ratio, and the next step is carried out;
Acquiring initial batching ratio data of the concrete, and when the concrete is determined to have no matching batching ratio by combining comprehensive current matching coefficients and comprehensive vibration matching coefficients of the concrete and different vibration matching batching ratios, entering the next step;
the slump of the concrete is evaluated in a test mode;
the method for determining the matching coefficient comprises the following steps:
Determining the number of the matching moments of the concrete and the stirring currents of different historical stirring times in the matching historical data and the distribution data of the matching moments according to the stirring currents of the concrete at different moments, and determining current distribution matching coefficients of the concrete and different historical stirring times in the matching historical data according to the deviation amounts of the stirring currents at different moments;
determining the fluctuation amount of the stirring current between different adjacent moments based on the stirring current of the concrete, determining the quantity of the matching fluctuation moments of different historical stirring times in the concrete and the matching historical data and the distribution data of the different matching fluctuation moments according to the fluctuation amount of the stirring current between different adjacent moments, and determining the current fluctuation matching coefficient of different historical stirring times in the concrete and the matching historical data according to the fluctuation amount of the stirring current between different adjacent moments;
Acquiring monitoring time length of the stirring current of the concrete, and determining matching coefficients of different historical stirring times in the concrete and the matching historical data by combining the current variation matching coefficient and the current distribution matching coefficient;
the method for determining the comprehensive current matching coefficient comprises the following steps:
determining the matching stirring times and the deviation stirring times of the concrete and the concrete batching ratio based on the matching coefficients of the different historical stirring times of the concrete and the concrete batching ratio;
determining a matching coefficient evaluation value of the concrete and the concrete batching ratio according to the matching stirring times of the concrete and the concrete batching ratio, the matching coefficients of different matching stirring times and the stirring time of different matching stirring times;
determining an evaluation value of the deviation coefficient of the concrete and the concrete batching ratio according to the deviation stirring times of the concrete and the concrete batching ratio, the matching coefficients of different deviation stirring times and the stirring time of different deviation stirring times;
acquiring historical stirring times corresponding to the concrete batching ratio, and determining a comprehensive current matching coefficient of the concrete and the concrete batching ratio by combining a matching coefficient evaluation value and a deviation coefficient evaluation value of the concrete and the concrete batching ratio;
when the suspected matching proportioning ratio meeting the requirement of the comprehensive vibration matching coefficient does not exist, the slump of the concrete is evaluated in a test mode;
The method for determining the matching proportioning ratio comprises the following steps:
Determining a basic batching matching coefficient of the concrete and the vibration matching batching ratio according to the initial batching ratio data of the concrete and the batching ratio data of the vibration matching batching ratio;
Determining comprehensive matching coefficient evaluation values of different historical stirring times based on the matching coefficients of different historical stirring times of the concrete and the vibration matching proportioning ratio and the vibration matching coefficients, and determining comprehensive matching coefficients of the concrete and the vibration matching proportioning ratio according to the comprehensive matching coefficient evaluation values of different historical stirring times;
and correcting the basic ingredient matching coefficient according to the comprehensive matching coefficient, the comprehensive current matching coefficient and the comprehensive vibration matching coefficient to obtain a corrected matching coefficient, and determining whether the vibration matching ingredient ratio is the matching ingredient ratio or not according to the corrected matching coefficient.
2. The concrete on-line inspection method according to claim 1, wherein the matching history data of the concrete is determined according to the mass of the concrete of different historical agitation times, and the specific data corresponding to the historical agitation times of which the deviation amount of the mass of the concrete is within a preset range is used as the matching history data.
3. The concrete on-line detection method according to claim 1, wherein the stirring current of the concrete at different moments is determined according to the monitoring result of the working current of the concrete stirring main machine of the concrete.
4. The method for online detection of concrete according to claim 1, wherein the matching time is determined according to the mixing current at different times of different historical mixing times in the concrete and the matching historical data, and specifically, the time when the mixing current is smaller than a preset power amplitude is taken as the matching time.
5. The concrete on-line inspection method according to claim 1, wherein when the complex current matching coefficient of the concrete and the concrete meets a preset matching coefficient requirement, the concrete batching ratio is determined as a suspected matching batching ratio.
6. An on-line concrete detection system, which adopts the on-line concrete detection method according to any one of claims 1-5, and is characterized by comprising the following steps:
the current matching evaluation module, the vibration matching evaluation module, the matching proportioning ratio screening module and the slump evaluation module;
The current matching evaluation module is responsible for determining matching historical data of the concrete according to the quality of the concrete, determining matching coefficients of different historical stirring times in the mixing current data of the concrete and the matching historical data based on the stirring currents of the concrete at different moments, and determining comprehensive current matching coefficients of the concrete and different concrete batching ratios and suspected matching batching ratios in the concrete batching ratios through the matching coefficients;
The vibration matching evaluation module is responsible for taking the history matching data corresponding to the suspected matching batching ratio as screening history data, determining vibration matching coefficients of different history stirring times in the stirring vibration data and the screening history data of the concrete according to the vibration frequencies of different moments of the concrete, determining comprehensive vibration matching coefficients of the concrete and different suspected matching batching ratios through the vibration matching coefficients, and taking the comprehensive vibration matching coefficients as the vibration matching batching ratio when the comprehensive vibration matching coefficients meet the required suspected matching batching ratio;
The matching batching ratio screening module is responsible for acquiring initial batching ratio data of the concrete, and determining whether the matching batching ratio exists in the concrete by combining comprehensive current matching coefficients and comprehensive vibration matching coefficients of the concrete and different vibration matching batching ratios;
The slump evaluation module is responsible for realizing the evaluation of the slump of the concrete in a test mode.
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| CN104569360A (en) * | 2014-12-26 | 2015-04-29 | 湖南万物工业软件有限公司 | Concrete slump controlling method and system of mixing station |
| CN115219698A (en) * | 2022-07-08 | 2022-10-21 | 中交第二航务工程局有限公司 | Concrete slump on-line detection method |
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| CN104569360A (en) * | 2014-12-26 | 2015-04-29 | 湖南万物工业软件有限公司 | Concrete slump controlling method and system of mixing station |
| CN115219698A (en) * | 2022-07-08 | 2022-10-21 | 中交第二航务工程局有限公司 | Concrete slump on-line detection method |
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