CN219034104U - Control device for crack of steel plate concrete shear wall - Google Patents
Control device for crack of steel plate concrete shear wall Download PDFInfo
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- CN219034104U CN219034104U CN202221862729.6U CN202221862729U CN219034104U CN 219034104 U CN219034104 U CN 219034104U CN 202221862729 U CN202221862729 U CN 202221862729U CN 219034104 U CN219034104 U CN 219034104U
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Abstract
The utility model discloses a control device for a crack of a steel plate concrete shear wall, which comprises a steel plate shear wall, wherein the control device comprises a metal pipe, a pipe penetrating sleeve ring, a preheating and refrigerating system, a maintenance system, a water stop valve and a temperature measuring system, wherein the metal pipe is provided with an inlet end and an outlet end; the temperature measuring system is laid on the steel plate shear wall. The control device can effectively solve the problem that the steel plate shear wall is easy to crack, has wide application range, ensures structural safety, has the advantage of simple construction operation, has strong practicability and is suitable for popularization and use.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a control device for a steel plate concrete shear wall crack.
Background
With the continuous development of society, the number of super high-rise buildings is increased, and the increase of building height brings about the increase of the dead weight of the structure, so that the influence on the structural design is also increased. In the mixed structure system of the inner cylinder outer frame of the super high-rise building, the shear wall is an important lateral force resisting component. As the height of the building structure increases, the vertical load borne by the shear wall at the bottom of the building is also increasing, and if a traditional reinforced concrete shear wall is adopted, the thickness of the shear wall needs to be increased. The excessively thick shear wall not only wastes building space and is complex in construction, but also can cause dead weight to increase, the affected degree is larger under the action of earthquake, and in addition, the construction cost of the structure can also be increased.
In recent years, the steel plate concrete combined shear wall structure is used as a novel side force resistant structural system, fully plays the advantages of two materials of steel and concrete, improves the bearing capacity, simultaneously keeps good ductility and anti-seismic performance, and is widely applied to super high-rise buildings. However, in the concrete hardening and shrinkage process, the hydration heat generated in the concrete setting and hardening process is not easy to dissipate due to inconsistent deformation of the steel plates and the concrete, so that the temperature difference between the inside and the outside of the wall is overlarge, and serious early cracks are easily caused due to the reasons of concrete shrinkage, large external constraint and the like, so that the safety and the durability of a building are endangered. Especially in cold or hot areas. The situation is more serious, in the field of building construction, the cracking of the steel plate shear wall becomes difficult and complicated, and no better solution exists at present.
Through retrieval, chinese patent number 201210160003.2 discloses a construction method for eliminating shrinkage cracks of concrete by using a steel plate-concrete combined shear wall preheating steel plate, wherein the method comprises the steps of using the steel plate-concrete combined shear wall preheating steel plate to eliminate the shrinkage cracks of concrete, and the device comprises a heat conducting coil 4, a temperature measuring system 9 and a heat conducting medium injection system 8, wherein the heat conducting coil 4 is provided with an inlet end 6 and an outlet end 7, the heat conducting coil 4 is uniformly laid on the shear wall steel plate 1, the temperature measuring system 9 is also laid on the shear wall steel plate 1, and the heat conducting medium injection system 8 is connected with the inlet end 6 of the heat conducting coil 4. The heat conduction coil 4 is a hollow metal pipe, and the pipe diameter and the distribution interval of the coil are selected according to the temperature control requirement. The method can effectively control the temperature of the shear wall steel plate and avoid concrete shrinkage cracks caused by inconsistent deformation of the shear wall steel plate and the concrete. However, when the shear wall steel plate is heated by using the heat-conducting medium, an auxiliary heating device is also required to be used for auxiliary heating of the shear wall steel plate, so that the manufacturing and construction costs are increased.
Therefore, based on the above problems, in order to effectively solve the problem that the steel plate shear wall is easy to crack, a control device with a simple structure is provided, and the control device is applicable to severe cold areas and hot areas, so that the application range is improved, structural safety is ensured, and the problem of cracks caused by shrinkage of concrete is effectively avoided.
Disclosure of Invention
The utility model aims to solve the technical problems in the background art, and provides a control device with a simple structure, which can not only effectively solve the problem that a steel plate shear wall is easy to crack, but also be suitable for being used in severe cold areas or hot areas and meet the use requirements of different construction environments, in particular to a control device for cracks of a steel plate concrete shear wall.
In order to solve the technical problems, the utility model adopts the following technical scheme: the control device comprises a steel plate shear wall, wherein the control device comprises a metal pipe, a pipe penetrating collar, a preheating and refrigerating system, a maintenance system, a water stop valve and a temperature measuring system, the metal pipe is provided with an inlet end and an outlet end, the steel plate shear wall is welded with a plurality of pipe penetrating collars, the metal pipe is arranged in the steel plate shear wall in an S shape through the pipe penetrating collars, the preheating and refrigerating system or the maintenance system can be detachably connected with the inlet end of the metal pipe through pipelines respectively, and the outlet end of the metal pipe can be detachably connected with the preheating and refrigerating system or the water stop valve is arranged at the outlet end of the metal pipe; the temperature measuring system is laid on the steel plate shear wall and used for monitoring temperature change of the steel plate shear wall.
Further, the control device for the steel plate concrete shear wall crack provided by the utility model comprises a fluid circulating pump and a heating and refrigerating machine, wherein the heating and refrigerating machine is provided with an intelligent control system, a fluid medium is arranged in the heating and refrigerating machine, the heating and refrigerating machine is used for providing working temperature for the fluid medium, the inlet of the fluid circulating pump is connected with the heating and refrigerating machine through a pipeline, the outlet of the fluid circulating pump is detachably connected with the inlet end of the metal pipe, and the outlet end of the metal pipe is detachably connected with the heating and refrigerating machine through a pipeline; and conveying the fluid medium in the heating refrigerator into the metal pipe by using the fluid circulating pump, and returning the fluid medium to the heating refrigerator.
Further, the control device for the steel plate concrete shear wall crack is characterized in that the fluid medium is water or other fluid substances.
Further, the control device for the steel plate concrete shear wall crack disclosed by the utility model comprises a slurry storage barrel, a grouting machine and a pressure gauge, wherein a slurry medium is stored in the slurry storage barrel, the slurry storage barrel is arranged in the grouting machine, and the pressure gauge is arranged on the grouting machine and is used for monitoring the pressure of the slurry medium; the grouting machine is provided with a grouting port, and the grouting port of the grouting machine is detachably connected with the inlet end of the metal pipe through a pipeline; a water stop valve is arranged at the outlet end of the metal pipe; slurry medium in a slurry storage bucket) is delivered into the metal tube by the grouting machine.
Further, the control device for the steel plate concrete shear wall crack provided by the utility model is characterized in that the slurry medium is cement slurry, and the cement slurry is formed by mixing cement with water, wherein the cement grade of the cement is one grade higher than that of cement used for casting concrete in situ.
Further, the control device for the steel plate concrete shear wall crack provided by the utility model is characterized in that the temperature measuring system is a contact type or non-contact type temperature sensor.
By adopting the control device for the crack of the steel plate concrete shear wall, provided by the utility model, the heat is transferred to the steel plate shear wall through the metal pipe under the action of a fluid medium through the configured preheating and refrigerating system, so that the steel plate shear wall reaches the preset temperature, and then the concrete is poured; when the concrete pouring is finished, the steel plate shear wall starts hydration reaction, releases a large amount of heat, and can take away the heat released by the hydration reaction by utilizing a fluid medium in the metal pipe so as to reduce the temperature difference between the inside and the outside of the concrete; in addition, through the maintenance system that disposes, can make the thick liquids medium fill in the tubular metal resonator to make tubular metal resonator and steel sheet shear force wall and concreting form the integral structure, with this structural strength who strengthens the steel sheet concrete shear force wall of concreting. The control device can effectively solve the problem that the steel plate shear wall is easy to crack, has wide application range, can be suitable for severe cold areas and hot areas, ensures the structural safety, has the advantage of simple construction operation, has strong practicability, has good economic value and popularization value, and is suitable for popularization and use.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of a second embodiment of the present utility model.
The figure shows: 1-steel plate shear wall, 2-metal pipe, 21-inlet end, 22-outlet end, 3-pipe penetrating lantern ring, 4-preheating and refrigerating system, 41-fluid circulating pump, 42-heating and refrigerating machine, 5-maintenance system, 51-slurry storage barrel, 52-grouting machine, 53-pressure gauge, 6-water stop valve and 7-temperature measuring system.
Detailed Description
As shown in fig. 1 and 2, the control device for a crack of a steel plate concrete shear wall according to the present utility model comprises a steel plate shear wall 1, wherein the control device comprises a metal pipe 2, a pipe penetrating collar 3, a preheating and refrigerating system 4, a maintenance system 5, a water stop valve 6 and a temperature measuring system 7, the metal pipe 2 is provided with an inlet end 21 and an outlet end 22, a plurality of pipe penetrating collars 3 are welded in the steel plate shear wall 1, the metal pipe 2 is arranged in the steel plate shear wall 1 in an S shape through the pipe penetrating collars 3, the preheating and refrigerating system 4 or the maintenance system 5 can be detachably connected with the inlet end 21 of the metal pipe 2 through pipelines respectively, and the outlet end 22 of the metal pipe 2 can be detachably connected with the preheating and refrigerating system 4, or the water stop valve 6 is arranged at the outlet end 22 thereof; the temperature measuring system 7 is laid on the steel plate shear wall 1 and is used for monitoring temperature change of the steel plate shear wall 1, and the temperature measuring system 7 is a contact type or non-contact type temperature sensor.
Further, the control device for the steel plate concrete shear wall crack of the utility model, wherein the preheating and refrigerating system 4 comprises a fluid circulation pump 41 and a heating and refrigerating machine 42, the heating and refrigerating machine 42 is provided with an intelligent control system, a fluid medium is arranged in the heating and refrigerating machine 42, the heating and refrigerating machine 42 is used for providing the working temperature for the fluid medium, the inlet of the fluid circulation pump 41 is connected with the heating and refrigerating machine 42 through a pipeline, the outlet of the fluid circulation pump 41 is detachably connected with the inlet end 21 of the metal pipe 2, and the outlet end 22 of the metal pipe 2 is detachably connected with the heating and refrigerating machine 42 through a pipeline; the fluid medium in the heating refrigerator 42 is conveyed into the metal pipe 2 by the fluid circulating pump 41 and returned to the heating refrigerator 42; wherein the fluid medium is water or other fluid substance. The temperature range of the fluid medium is adjusted to be 5-80 ℃ by utilizing a heating and refrigerating machine according to the field requirement.
Further, the control device for the steel plate concrete shear wall crack disclosed by the utility model comprises a maintenance system 5, wherein the maintenance system 5 comprises a slurry storage barrel 51, a grouting machine 52 and a pressure gauge 53, a slurry medium is stored in the slurry storage barrel 51, the slurry storage barrel 51 is arranged in the grouting machine 52, and the pressure gauge 53 is arranged on the grouting machine 52 and is used for monitoring the pressure of the slurry medium; the grouting machine 52 is provided with a grouting opening, and the grouting opening of the grouting machine 52 is detachably connected with the inlet end 21 of the metal pipe 2 through a pipeline; a water stop valve is arranged at the outlet end 22 of the metal pipe 2; delivering the slurry medium in the slurry storage bucket 51 into the metal pipe 2 through the grouting machine 52; the slurry medium is cement slurry, and the cement slurry is formed by mixing cement with water, wherein the cement is one grade higher than the cement used for casting concrete in situ.
The control device for the steel plate concrete shear wall cracks is adopted, wherein the fluid circulation pump 41 and the heating and refrigerating machine 42 in the preheating and refrigerating system 4, the grouting machine 52 and the pressure gauge 53 in the maintenance system 5, and the water stop valve 6 and the temperature measuring system 7 are all common devices in the prior art, are all commercially available in the prior art, are applied to the utility model, are not improved, and therefore, the specific structure is not described in detail, and the selection of the model is not required as long as the model can meet the use requirement.
In a specific use process, the intelligent control system configured in the heating and refrigerating machine 42 may be a PLC controller commonly used in the prior art, and the intelligent control system is electrically connected with the temperature measuring system 7 and the fluid circulation pump 41 respectively, so as to automatically control the operation conditions of the fluid circulation pump 41 and the heating and refrigerating machine 42 according to the temperature monitored by the temperature measuring system 7, thereby achieving the purpose of intelligent control. Through the configured preheating and refrigerating system 4, under the action of a fluid medium, heat is transferred to the steel plate shear wall 1 through the metal pipe 2, and after the steel plate shear wall 1 reaches a preset temperature, concrete is poured; when the concrete pouring is finished, the steel plate shear wall 1 starts hydration reaction and releases a large amount of heat, and the fluid medium in the metal pipe 2 can be used for taking away the heat released by the hydration reaction, so that the temperature difference between the inside and the outside of the concrete is reduced; in addition, by providing the curing system 5, the slurry medium can be filled into the metal pipe 2, so that the metal pipe 2, the steel plate shear wall 1 and the poured concrete form an integral structure, and the structural strength of the poured steel plate concrete shear wall can be enhanced.
The control device can be used for controlling the cracks of the large-section stiff column, the large-section stiff beam and the like, expands the control method of the cracks of the stiff structure, changes the traditional control of the concrete mixing ratio into the active control of the temperature of the steel plate, combines the deformation shrinkage rules of the steel plate and the concrete, synchronizes the deformation of the steel plate and the concrete, and effectively controls the cracks generated by inconsistent deformation of the steel plate and the concrete. The economic loss caused by a large number of cracks of the steel plate shear wall due to no effective control measures is avoided, and the method has good economic value and popularization value.
In summary, the control device provided by the utility model can effectively solve the problem that the steel plate shear wall is easy to crack, has a wide application range, can be suitable for severe cold areas and hot areas, ensures structural safety, has the advantage of simple construction operation, and is high in practicability and suitable for popularization and use.
The protection scope of the present utility model is not limited to the technical solutions disclosed in the specific embodiments, but the above description is only a preferred embodiment of the present utility model, and is not limited to the present utility model, and any minor modifications, equivalent substitutions and improvements made according to the technical solutions of the present utility model should be included in the protection scope of the technical solutions of the present utility model.
Claims (6)
1. A controlling means for steel sheet concrete shear force wall crack, including steel sheet shear force wall (1), its characterized in that: the control device comprises a metal pipe (2), a pipe penetrating sleeve ring (3), a preheating and refrigerating system (4), a maintenance system (5), a water stop valve (6) and a temperature measuring system (7), wherein the metal pipe (2) is provided with an inlet end (21) and an outlet end (22), a plurality of pipe penetrating sleeve rings (3) are welded in the steel plate shear wall (1), the metal pipe (2) is arranged in the steel plate shear wall (1) in an S shape through the pipe penetrating sleeve ring (3), the preheating and refrigerating system (4) or the maintenance system (5) can be detachably connected with the inlet end (21) of the metal pipe (2) through pipelines respectively, and the outlet end (22) of the metal pipe (2) can be detachably connected with the preheating and refrigerating system (4), or the water stop valve (6) is arranged at the outlet end (22) of the metal pipe; the temperature measuring system (7) is laid on the steel plate shear wall (1) and is used for monitoring temperature change of the steel plate shear wall (1).
2. The control device for a steel plate concrete shear wall crack according to claim 1, wherein: the preheating and refrigerating system (4) comprises a fluid circulation pump (41) and a heating and refrigerating machine (42), wherein the heating and refrigerating machine (42) is provided with an intelligent control system, a fluid medium is arranged in the heating and refrigerating machine (42), the heating and refrigerating machine (42) is used for providing working temperature for the fluid medium, an inlet of the fluid circulation pump (41) is connected with the heating and refrigerating machine (42) through a pipeline, an outlet of the fluid circulation pump is detachably connected with an inlet end (21) of the metal pipe (2), and an outlet end (22) of the metal pipe (2) is detachably connected with the heating and refrigerating machine (42) through a pipeline; the fluid medium in the heating refrigerator (42) is conveyed into the metal pipe (2) by the fluid circulation pump (41) and returned to the heating refrigerator (42).
3. A control device for a steel plate concrete shear wall crack according to claim 2, characterized in that: the fluid medium is water or other fluid substance.
4. The control device for a steel plate concrete shear wall crack according to claim 1, wherein: the maintenance system (5) comprises a slurry storage barrel (51), a grouting machine (52) and a pressure gauge (53), wherein a slurry medium is stored in the slurry storage barrel (51), the slurry storage barrel (51) is arranged in the grouting machine (52), and the pressure gauge (53) is arranged on the grouting machine (52) and is used for monitoring the pressure of the slurry medium; the grouting machine (52) is provided with a grouting opening, and the grouting opening of the grouting machine (52) is detachably connected with the inlet end (21) of the metal pipe (2) through a pipeline; a water stop valve is arranged at the outlet end (22) of the metal pipe (2); the slurry medium in the slurry storage barrel (51) is conveyed into the metal pipe (2) through the grouting machine (52).
5. The control device for a steel plate concrete shear wall crack according to claim 4, wherein: the slurry medium is cement slurry, and the cement slurry is cement slurry with one grade higher than the cement grade used for casting concrete in situ.
6. The control device for a steel plate concrete shear wall crack according to claim 1, wherein: the temperature measuring system (7) is a contact type or non-contact type temperature sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221862729.6U CN219034104U (en) | 2022-07-20 | 2022-07-20 | Control device for crack of steel plate concrete shear wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221862729.6U CN219034104U (en) | 2022-07-20 | 2022-07-20 | Control device for crack of steel plate concrete shear wall |
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| CN219034104U true CN219034104U (en) | 2023-05-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142693A (en) * | 2022-07-20 | 2022-10-04 | 中国建筑第四工程局有限公司 | Control device for cracks of steel plate concrete shear wall and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142693A (en) * | 2022-07-20 | 2022-10-04 | 中国建筑第四工程局有限公司 | Control device for cracks of steel plate concrete shear wall and construction method |
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