CN116397881A - Template supporting system of slope position overhanging structure and using method thereof - Google Patents

Abstract

The invention relates to the technical field of constructional engineering, and particularly discloses a formwork support system of a slope position overhanging structure and a use method thereof, wherein the formwork support system is arranged in a fertilizer groove formed between the outer side of a basement and a slope and is used for supporting the bottom of the overhanging structure; the scaffold comprises a first supporting component arranged on the top surface of a foundation, a second supporting component arranged on the slope of a slope, and a scaffold which is arranged on the first supporting component and the second supporting component and is hinged with the first supporting component and the second supporting component; according to the invention, the load of the cantilever structure is transferred through the inclined surfaces of the foundation and the side slope, and part of the load can be uniformly transferred to the side slope through the arrangement of the steel plates in the transfer process, so that the condition of concentrated load transfer can not occur, and the condition of large deformation of individual parts of the scaffold is avoided; the invention can effectively ensure the consistent deformation of the scaffold through the uniform transmission of the load.

Description

Template supporting system of slope position overhanging structure and using method thereof

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a formwork support system of a slope position overhanging structure and a use method thereof.

Background

In the existing reinforced concrete building, the cantilever structure is often shaped, part of the cantilever structure exceeds the range of a basement roof, the cantilever structure can be positioned at the position of a foundation pit edge side slope, a fertilizer groove and the like, and the template support scaffold of the cantilever structure at the position needs to be constructed after backfilling the fertilizer groove and the like.

However, in the field construction process, the construction period is short, backfill is long, the scaffold can only fall on the I-steel which is put on the top plate and the side slope of the basement, as shown in fig. 6, and the scheme has the following problems:

1. the cross section of the I-steel is required to be larger, and the middle deflection is large;

2. the corner of the basement roof structure erected with the I-steel is stressed greatly and is easy to damage;

3. the side slope is subjected to downward force, so that the force in the sliding direction is increased, and the collapse risk is increased;

4. the compression deformation of the basement roof structure is smaller than that of the side slope, later-stage I-steel can be inclined to the side slope, and the danger coefficient is increased;

5. the lower part of the I-steel is additionally provided with a layer of hard protection, so that the cost is increased.

Disclosure of Invention

The invention aims to solve the technical problem of providing a template support system of a side slope position overhanging structure and a use method thereof, wherein the transmission of the load of the overhanging structure is realized through the inclined surfaces of a foundation and a side slope, and part of the load can be uniformly transmitted to the side slope through the arrangement of a steel plate in the transmission process without the condition of concentrated load transmission, so that the condition of large deformation of individual parts of a scaffold is avoided;

the invention solves the technical problems by adopting the following solution:

the template supporting system of the cantilever structure at the side slope position is arranged in a fertilizer groove formed between the outer side of the basement and the side slope and is used for supporting the bottom of the cantilever structure; the scaffold comprises a first supporting component arranged on the top surface of a foundation, a second supporting component arranged on the slope surface of a slope, and a scaffold which is arranged on the first supporting component and the second supporting component and is hinged with the first supporting component and the second supporting component.

Compared with the prior art, the invention has the advantages that the scaffold acts on the side slope and the foundation to realize the transmission of the force, and compared with the prior art, I-steel is directly adopted as the bottom support of the scaffold, the invention uniformly transmits the load of the cantilever structure to the foundation and the side slope, and the force transmission direction accords with the design stress state of the foundation and the side slope, thereby ensuring the safety and the reliability of the support system and ensuring the safety and the stability of the side slope;

in some possible embodiments, it is effectively achieved that the bottom of the scaffold part can act on the abutment, so that the load can be transferred to the foundation;

the first support assembly comprises a baffle table arranged on the top surface of the foundation and positioned on the outer side of the basement, and a plurality of groups of first support seats which are arranged on the baffle table and hinged with the bottom of the scaffold.

In some possible embodiments, part of the bottom of the scaffold can effectively act on the side slope, so that the load can be transferred to the foundation;

the second supporting component comprises a supporting base plate arranged on a side slope and a plurality of groups of second supporting seats which are arranged on the steel plate and hinged with the bottom of the scaffold.

In some possible embodiments, in order to effectively enable the load transferred to the side slope to be dispersed on the whole side slope, the condition of concentrated load is avoided;

the support backing plate comprises a concrete layer arranged on the side slope, a steel plate arranged on the concrete layer, and an anchor rod with one end extending into the side slope and the other end penetrating through the concrete layer and being connected with the steel plate.

In some possible embodiments, to effectively achieve anti-tipping of the scaffold;

and one end of the anchor rod, which does not extend into the side slope, is connected with the scaffold.

In some possible embodiments, in order to ensure as little deformation of the scaffold as possible, and consistent deformation;

i-steel is arranged on the steel plate, and the second supporting seat is arranged on the I-steel; the I-steel is a plurality of groups and is arranged along the Y-axis direction.

In some possible embodiments, in order to effectively install the first support seat and the second support seat on the side slope and the top surface of the baffle table with different inclination angles, and to effectively support and connect the scaffold;

the first supporting seat and the second supporting seat have the same structure; the support plate comprises a base, a hinged support on the base, a support rod with one end connected with the hinged support and the other end connected with a scaffold, and a support plate sleeved on the outer side of the support rod and moving along the length direction of the support rod.

In some of the possible embodiments of the present invention,

the scaffold comprises a plurality of groups of vertical rods which are arranged along the Z-axis direction and connected with the first support seat and the second support seat, a plurality of groups of cross rods which are arranged along the X-axis direction and connected with the vertical rods respectively, and an adjustable support rod arranged at the top of the vertical rods.

In some possible embodiments, in order to effectively realize the connection between the uprights and the articulated supports with different relative distances for different positions;

the hinged support comprises two groups of steel wing plates which are arranged on the base in parallel along the Y-axis direction, and a screw rod with one end penetrating through the connecting steel wing plates and arranged along the Y-axis direction; the support rod is sleeved on the outer side of the screw rod and is positioned between the two groups of steel wing plates.

The use method of the template support system of the slope position overhanging structure specifically comprises the following steps:

step S1, calculating the length and the number of I-steel, the area of a steel plate, and the number of a first supporting seat and a second supporting seat according to the interval of the vertical rods;

s2, mounting a baffle table and a support seat I which are arranged in the fertilizer groove and are partially arranged in the foundation along the Y-axis direction;

step S3, paving a steel plate on the side slope, and performing I-steel installation welding and support seat II installation on the steel plate;

step S4, installing a scaffold, respectively sleeving support rods in the first support seat and the second support seat in corresponding vertical rods, and enabling the support plate to be abutted with the bottom of the vertical rods by adjusting the position of the support plate along the Z-axis direction;

s5, cantilever structure template engineering construction;

and S6, prepressing the cantilever structure template engineering for seven days by adopting a 1.2-time structural load, and entering the next working procedure for construction after the bearing capacity and deformation meet the requirements.

Compared with the prior art, the invention has the beneficial effects that:

compared with the prior art, the invention realizes the transmission of the load of the cantilever structure through the inclined surfaces of the foundation and the side slope, and part of the load can be uniformly transmitted to the side slope through the arrangement of the steel plate in the transmission process without the condition of concentrated load transmission, thereby avoiding the condition of large deformation of individual parts of the scaffold; the deformation of the scaffold can be effectively ensured to be consistent through uniform load transmission;

the support rod is connected with the base through the hinging seat, and when the side slope fixing device is used, the support rod and the base are hinged, so that the side slope fixing device can be suitable for side slopes with different inclination angles; the practicability of the device is stronger;

compared with the prior art, the load of the cantilever structure is not transmitted to the top surface of the side slope and the corner of the top plate of the basement, which is close to one side of the side slope, so that the collapse phenomenon of the side slope caused by the vertical downward load is effectively avoided, and meanwhile, the damage to the corner of the top plate is avoided due to the fact that the side slope is not contacted with the top plate of the basement; compared with the prior art, the construction safety is effectively ensured.

Drawings

FIG. 1 is a schematic elevational view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of FIG. 1 at B;

FIG. 4 is a schematic view of a first or second support base according to the present invention;

FIG. 5 is a schematic top view of the first, second, stop and side slope of the present invention;

FIG. 6 is a prior art support system;

wherein: 1. slope; 2. a first support assembly; 21. a baffle; 22. a second supporting component; 221. a base; 222. steel wing plates; 223. a screw; 224. a support rod; 225. a support plate; 3. a second supporting component; 31. a concrete layer; 32. a bolt; 33. a steel plate; 34. i-steel; 10. a scaffold; 101. a vertical rod; 102. a cross bar.

Detailed Description

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Reference to "first," "second," and similar terms in this application does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of an association object, which means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The present invention will be described in detail below.

As shown in fig. 1-5:

the template supporting system of the cantilever structure at the position of the side slope 1 is arranged in a fertilizer groove formed between the outer side of the basement and the side slope 1 and is used for supporting the bottom of the cantilever structure; comprises a first supporting component 2 arranged on the top surface of a foundation, a second supporting component 322 arranged on the inclined surface of the side slope 1, and a scaffold 10 arranged on the first supporting component 2 and the second supporting component 322 and hinged with the first supporting component 2 and the second supporting component 322.

Compared with the prior art, the invention directly adopts the I-steel 34 as the bottom support of the scaffold 10, the invention uniformly transfers the load of the cantilever structure to the foundation and the side slope 1, and the force transfer direction accords with the design stress state of the foundation and the side slope 1, thereby ensuring the safety and reliability of the support system and the safety and stability of the side slope 1;

in some possible embodiments, it is effectively achieved that part of the bottom of the scaffold 10 can act on the abutment 21, so that the load can be transferred to the foundation;

the first support assembly 2 comprises a baffle table 21 arranged on the top surface of the foundation and positioned outside the basement, and a plurality of groups of first support seats which are arranged on the baffle table 21 and are hinged with the bottom of the scaffold 10.

In some possible embodiments, it is effectively achieved that part of the bottom of the scaffold 10 can act on the slope 1, so that the load can be transferred to the foundation;

the second support assembly 322 comprises a second support pad installed on the side slope 1, and a plurality of groups of second support seats installed on the steel plate 33 and hinged with the bottom of the scaffold 10.

In some possible embodiments, in order to effectively enable the load transferred to the slope 1 to be dispersed over the entire slope 1, the occurrence of concentrated load is avoided;

the support pad comprises a concrete layer 31 arranged on the side slope 1, a steel plate 33 arranged on the concrete layer 31, and an anchor rod 32 with one end extending into the side slope 1 and the other end penetrating through the concrete layer 31 and being connected with the steel plate 33.

The concrete layer 31 is a steel wire mesh concrete layer 31, and the phenomenon that the side slope 1 collapses is avoided through the cooperation of the anchor rods 32 and the concrete layer 31;

in some possible embodiments, to effectively achieve anti-tipping of the scaffold 10;

the end of the anchor rod 32 which does not extend into the side slope 1 is connected with the scaffold 10.

In some of the possible embodiments of the present invention,

the scaffold 10 comprises a plurality of groups of vertical rods 101 which are arranged along the Z-axis direction and connected with a first support seat and a second support seat, a plurality of groups of cross rods 102 which are arranged along the X-axis direction and respectively connected with the vertical rods 101, and an adjustable support rod 224 which is arranged at the top of the vertical rods 101.

The adjustable support rods 224 are used for supporting the template at the bottom of the cantilever structure by the scaffold 10; the adjustable support rod 224 can adjust the length in the Z-axis direction;

preferably, the anchor rods 32 are connected with the corresponding transverse rods 102 in the transverse rods 102, and the support of the scaffold 10 is enhanced through the connection of the anchor rods 32 and the transverse rods 102, so that the situation that the scaffold 10 is overturned to the side of the side slope 1 is avoided;

in some possible embodiments, in order to ensure as little deformation of the scaffold 10 as possible, and consistent deformation;

the steel plate 33 is provided with I-steel 34, and the second supporting seat is arranged on the I-steel 34; the I-steel 34 is arranged along the Y-axis direction in a plurality of groups.

As shown in fig. 5, each group of i-steels 34 effectively supports a row of upright posts 101 which are positioned on the side slope 1 and are arranged along the X-axis direction through a second supporting seat, and a plurality of groups of i-steels 34 support a plurality of rows of upright posts 101;

the baffle table 21 is arranged along the Y-axis direction in the length direction and is used for supporting the upright rod 101 positioned above the foundation;

when the cantilever structure is used, the load of the cantilever structure is respectively transmitted to the baffle table 21 and the I-steel 34 through the scaffold 10, wherein the I-steel 34 transmits the load to the steel plate 33, and the steel plate 33 distributes the load and then transmits the load to the concrete layer 31 so as to avoid the load concentration; meanwhile, part of load is transmitted to the foundation through the baffle table 21, so that the load is uniformly transmitted to the foundation and the side slope 1; compared with the prior art, the downward load can not be directly applied to the side slope 1, the collapse risk of the side slope 1 is reduced, the side slope 1 is stressed on the whole surface of the inclined plane, the stress is more uniform, the corner part of the top plate of the basement can not be subjected to the load of the overhanging structure, and therefore the damage can not occur;

in some possible embodiments, in order to enable the support seat one and the support seat two to be effectively installed on the side slope 1 and the top surface of the baffle table 21 with different inclination angles, and to realize effective support and connection of the scaffold 10;

as shown in fig. 2 and 3, the first supporting seat and the second supporting seat have the same structure; the scaffold comprises a base 221, a hinged support on the base 221, a support rod 224 with one end connected with the hinged support and the other end connected with the scaffold 10, and a support plate 225 sleeved on the outer side of the support rod 224 and moving along the length direction of the support rod 224.

The first supporting seat and the second supporting seat have the same structure, so that the production and the processing are simpler and more convenient; the requirement for leveling the top surface of the baffle table 21 during construction can be reduced, so that the construction efficiency is improved;

in some possible embodiments, in order to effectively realize the connection between the uprights 101 and the articulated supports, which are different with respect to the relative distance of the different positions;

as shown in fig. 4, the hinge support includes two sets of steel wing plates 222 installed on a base 221 and arranged in parallel along the Y-axis direction, and a screw 223 having one end passing through the connecting steel wing plates 222 and arranged along the Y-axis direction; the supporting rods 224 are sleeved outside the screw rods 223 and are positioned between the two groups of steel wing plates 222.

The two groups of steel wing plates 222 are provided with through holes for the screw rods 223 to pass through, the two groups of through holes are coaxially arranged, the supporting rods 224 are provided with through holes matched with the two groups of through holes, and one end of the screw rods 223 sequentially passes through one group of through holes, the two groups of through holes and one group of through holes and then is fastened by adopting double nuts.

When in use, the support rod 224 is arranged on the I-steel 34 through the base 221, and the support rod 224 is sleeved on the outer side of the screw 223, so that the support rod 224 and the base 221 can rotate around the screw 223, the base 221 can adapt to the installation of different slopes 1, meanwhile, the support rod 224 can be ensured to be arranged in the upright posts 101 of the scaffold 10, and the support of the upright posts 101 can be effectively realized through the support plate 225;

the invention is not affected by a fertilizer groove formed between the outer side of the basement and the side slope 1; the possibility that the later I-steel 34 is inclined to the side slope 1 and the danger coefficient is increased because the compression deformation of the basement roof structure is smaller than that of the side slope 1 is avoided; effectively ensuring the construction safety.

The application method of the device specifically comprises the following steps:

step S1, calculating the length and the number of I-steel 34, the area of the steel plate 33, the number of the first supporting seats and the number of the second supporting seats according to the interval of the vertical rods 101;

it should be noted that, when the upright 101 is arranged, the position of the anchor rod 32 needs to be avoided so as to avoid that the i-steel 34 cannot be installed;

s2, mounting a baffle table 21 and a support seat I which are arranged in the fertilizer groove and are partially constructed in the long direction along the Y-axis direction;

step S3, paving a steel plate 33 on the side slope 1, and performing I-steel 34 installation welding and supporting seat II installation on the steel plate 33;

step S4, installing the scaffold 10, sleeving the support rods 224 in the first support seat and the second support seat in the corresponding vertical rods 101 respectively, and enabling the support rods 225 to be abutted to the bottoms of the vertical rods 101 by adjusting the positions of the support rods 225 along the Z-axis direction;

s5, cantilever structure template engineering construction;

and S6, prepressing the cantilever structure template engineering for seven days by adopting a 1.2-time structural load, and entering the next working procedure for construction after the bearing capacity and deformation meet the requirements.

The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.

Claims (10)

1. The template supporting system of the cantilever structure at the side slope position is characterized by being arranged in a fertilizer groove formed between the outer side of a basement and the side slope and used for supporting the bottom of the cantilever structure; the scaffold comprises a first supporting component arranged on the top surface of a foundation, a second supporting component arranged on the slope surface of a slope, and a scaffold which is arranged on the first supporting component and the second supporting component and is hinged with the first supporting component and the second supporting component.

2. The formwork support system of claim 1, wherein the first support assembly comprises a baffle plate arranged on the top surface of the foundation and positioned outside the basement, and a plurality of groups of first support seats mounted on the baffle plate and hinged with the bottom of the scaffold.

3. The formwork support system of the slope position overhanging structure according to claim 2, wherein the second support assembly comprises a support base plate arranged on the slope and a plurality of groups of second support seats which are arranged on the steel plate and are hinged with the bottom of the scaffold.

4. A formwork support system for a side slope position overhanging structure according to claim 3, wherein the support pad comprises a concrete layer provided on the side slope, a steel plate mounted on the concrete layer, and an anchor rod having one end extending into the side slope and the other end connected with the steel plate through the concrete layer.

5. The formwork support system of a side slope position overhanging structure of claim 4, wherein an end of said anchor rod not extending into the side slope is connected to the scaffold.

6. A formwork support system of a side slope position overhanging structure according to claim 3, characterized in that the steel plate is provided with I-steel, and the second support seat is arranged on the I-steel; the I-steel is a plurality of groups and is arranged along the Y-axis direction.

7. A formwork support system for a side slope position overhanging structure according to any one of claims 3-6, characterized in that the first support seat and the second support seat have the same structure; the support plate comprises a base, a hinged support on the base, a support rod with one end connected with the hinged support and the other end connected with a scaffold, and a support plate sleeved on the outer side of the support rod and moving along the length direction of the support rod.

8. The formwork support system of the slope position overhanging structure according to claim 7, wherein the scaffold comprises a plurality of groups of vertical rods which are arranged along the Z-axis direction and are connected with the first support seat and the second support seat, a plurality of groups of cross rods which are arranged along the X-axis direction and are respectively connected with the vertical rods, and an adjustable support rod arranged at the top of the vertical rods.

9. The formwork support system of the side slope position overhanging structure according to claim 8, wherein the hinged support comprises two groups of steel wing plates which are arranged on the base in parallel along the Y-axis direction, and a screw rod with one end penetrating through the connecting steel wing plates and arranged along the Y-axis direction; the support rod is sleeved on the outer side of the screw rod and is positioned between the two groups of steel wing plates.

10. The application method of the formwork support system of the side slope position overhanging structure is characterized by comprising the following steps of:

step S1, calculating the length and the number of I-steel, the area of a steel plate, and the number of a first supporting seat and a second supporting seat according to the interval of the vertical rods;

s2, mounting a baffle table and a support seat I which are arranged in the fertilizer groove and are partially arranged in the foundation along the Y-axis direction;

step S3, paving a steel plate on the side slope, and performing I-steel installation welding and support seat II installation on the steel plate;

step S4, installing a scaffold, respectively sleeving support rods in the first support seat and the second support seat in corresponding vertical rods, and enabling the support plate to be abutted with the bottom of the vertical rods by adjusting the position of the support plate along the Z-axis direction;

s5, cantilever structure template engineering construction;

and S6, prepressing the cantilever structure template engineering for seven days by adopting a 1.2-time structural load, and entering the next working procedure for construction after the bearing capacity and deformation meet the requirements.

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