CN215801754U - Separated seismic isolation and reduction pile group foundation - Google Patents
Separated seismic isolation and reduction pile group foundation Download PDFInfo
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- CN215801754U CN215801754U CN202121709105.6U CN202121709105U CN215801754U CN 215801754 U CN215801754 U CN 215801754U CN 202121709105 U CN202121709105 U CN 202121709105U CN 215801754 U CN215801754 U CN 215801754U
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Abstract
The utility model relates to the technical field of building structures, in particular to a separated shock absorption and isolation grouped pile foundation which comprises a bearing platform, wherein the top of the bearing platform is fixedly connected with a pier stud, a pressure-bearing reinforcing mesh is arranged inside the bearing platform, the bottom of the bearing platform is provided with a groove, a connecting rib is fixedly connected inside the groove, and the bearing platform is fixedly connected with a pile foundation through the connecting rib. The utility model has the advantages that: the recess is cylindrical groove, and the diameter of recess is greater than the diameter of pile foundation, it has foamed resin to fill between recess and the pile foundation, can carry out the shock attenuation to the cushion cap, the recess can carry on spacingly to the pile foundation, avoid the pile foundation to remove the excessive bridge floor that leads to and produce deformation or damage, the cushion cap passes through splice bar and pile foundation fixed connection, rather than pour with pile foundation an organic whole and be connected, when the earthquake, the splice bar can carry out the shock attenuation to the cushion cap, increase the stability of cushion cap, form equilateral triangle between the three pile foundation, further improve the stability of cushion cap.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a separated seismic isolation and reduction pile foundation.
Background
Building field shock attenuation stake is the shock attenuation stake design that uses many single existence, and the shock attenuation effect is not enough, and the structural design of shock attenuation pile group then can compensate this kind not enough, can improve the ability of group pile foundation structure shock attenuation energy absorption, increase simultaneously and the area of contact of matrix on every side, can strengthen the stability on group pile basis, improve the bearing capacity on group pile basis.
The separated seismic isolation and reduction pile foundation disclosed in chinese patent CN212316973U improves the seismic capacity of the bridge structure, but has the following disadvantages while solving the problem:
this isolation bearing group's pile foundation is subtracted to disconnect by setting up the recess and bearing too big pulling force when avoiding the earthquake, but cushion cap and pier stud are the whole of integrative casting shaping, the back and forth movement will drive the pier stud including cushion cap and the separation of pile foundation back, and then drive the bridge floor, make the bridge produce deformation or damage, although the recess is provided with the rubber pad and cushion, but the recess is the rectangle during, the pile foundation is the cylinder, the area of contact of pile foundation and rubber pad is very little, the shock attenuation effect of buffering is than relatively poor, and rubber can take place ageing along with the time lapse, influence the shock attenuation effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a separated seismic isolation and reduction pile foundation.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a disconnect-type subtracts shock insulation pile group basis, includes the cushion cap, the top fixedly connected with pier stud of cushion cap, the inside of cushion cap is provided with pressure-bearing reinforcing bar net, the bottom of cushion cap is seted up flutedly, the inside fixedly connected with splice bar of recess, the cushion cap passes through splice bar fixedly connected with pile foundation.
Preferably, the top of pile foundation is located the inside of recess, the recess is cylindrical recess, the diameter of recess is greater than the diameter of pile foundation, it has the foamed resin to fill between the inner wall of recess and the pile foundation.
Preferably, the material of the pressure-bearing reinforcing mesh is HRB 400-grade hot-rolled ribbed steel bars, the pressure-bearing reinforcing mesh is multilayer, and the specific number can be adjusted according to the load bearing required by the bearing platform.
Preferably, the material of splice bar is HRB500 level reinforcing bar, the quantity of splice bar is a plurality of, and the annular array is in the inside of recess.
Preferably, the number of the grooves and the pile foundations is three, and the grooves and the pile foundations are annularly arrayed at the bottom of the bearing platform.
Preferably, the pier column and the bearing platform are integrally cast and connected into a whole through embedded steel bars.
The utility model has the following advantages:
1. according to the separated type shock absorption and isolation grouped pile foundation, the groove is arranged, the groove is a cylindrical groove, the diameter of the groove is larger than that of the pile foundation, the separation of the pile foundation and a bearing platform can be met during earthquake, the pile foundation is located inside the groove, foam resin is filled between the groove and the pile foundation, the bearing platform can be damped, the groove can limit the pile foundation, the bridge floor is prevented from being deformed or damaged due to excessive movement of the pile foundation, the foam resin is uniformly filled between the groove and the pile foundation, the contact area between the groove and the pile foundation is ensured, the foam resin is not prone to aging, and the damping effect is good;
2. this isolation bearing pile foundation subtracts of disconnect-type, through setting up the splice bar, the cushion cap passes through splice bar and pile foundation fixed connection, and not pour with pile foundation an organic whole and be connected, and when the earthquake, the splice bar also can carry out the shock attenuation to the cushion cap, increases the stability of cushion cap, and through setting up the pile foundation, the pile foundation is three, and the circumference array forms equilateral triangle in the bottom of cushion cap between the three pile foundation, further improves the stability of cushion cap.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural view of the pressure-bearing reinforcing mesh of the present invention.
In the figure: 1-bearing platform, 2-pier column, 3-pressure-bearing reinforcing mesh, 4-groove, 5-connecting rib, 6-pile foundation and 7-foamed resin.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1 and 2, a separated seismic isolation and reduction pile group foundation comprises a bearing platform 1, a pier stud 2 is fixedly connected to the top of the bearing platform 1, a pressure-bearing reinforcing mesh 3 is arranged inside the bearing platform 1, the pressure-bearing reinforcing mesh 5 is integrally cast inside the bearing platform 1, the bearing capacity of the bearing platform 1 is increased by arranging the pressure-bearing reinforcing mesh 5, a groove 4 is formed in the bottom of the bearing platform 1, due to the design of the groove 4, when an earthquake occurs, a pile foundation 6 can slide in the groove 4, earthquake energy is consumed, the vibration amplitude of a bridge is reduced, a connecting rib 5 is fixedly connected to the inside of the groove 4, and the bearing platform 1 is fixedly connected with the pile foundation 6 through the connecting rib 5.
As a preferred technical solution of the present invention, as shown in fig. 1 and 2, the top of the pile foundation 6 is located inside the groove 4, the groove 4 is a cylindrical groove, the diameter of the groove 4 is greater than the diameter of the pile foundation 6, the foam resin 7 is filled between the inner wall of the groove 4 and the pile foundation 6, and by arranging the foam resin 7, the foam resin 7 is uniformly filled between the groove and the pile foundation to ensure the contact area with the pile foundation, so as to further buffer and absorb shock, ensure the safety of the bridge, and the foam resin 7 is not easy to age, has excellent elasticity, and has a good shock absorption effect.
As a preferred technical solution of the present invention, as shown in fig. 3, the material of the pressure-bearing reinforcing mesh 3 is HRB 400-grade hot-rolled ribbed steel bars, the pressure-bearing reinforcing mesh is multi-layered, and the specific number can be adjusted according to the load-bearing requirement of the bearing platform 1.
As a preferred technical solution of the present invention, as shown in fig. 1, the connecting bar 5 is made of HRB 500-grade steel bar, and compared with the ordinary steel bar, the HRB 500-grade steel bar has the following advantages: the using amount of the steel bars can be reduced, the direct engineering cost is saved, the installation amount of the steel bars is reduced, and the investment of engineering materials and manpower is saved; the condition of dense steel bars in the joints of the beams and the columns is obviously improved; the alloy has good mechanical properties such as high strength, good ductility, low carbon content, excellent weldability and the like; can satisfy standard and design requirement when guaranteeing engineering quality, the quantity of splice bar 5 is a plurality of, and annular array is in the inside of recess 4.
As a preferred technical solution of the present invention, as shown in fig. 1 and 2, the number of the grooves 4 and the pile foundations 6 is three, and the grooves and the pile foundations are annularly arrayed at the bottom of the bearing platform 1.
As a preferred technical solution of the present invention, as shown in fig. 1 and 2, the pier stud 2 and the bearing platform 1 are connected into a whole through embedded steel bars and integrated pouring.
The working process of the utility model is as follows: when earthquake occurs, due to the design of the groove 4, the pile foundation 6 can slide in the groove 4, earthquake energy is consumed, the foam resin 7 is filled between the groove 4 and the pile foundation 6, the shock absorption can be further buffered, the safety of a bridge is ensured, the bearing platform 1 is fixedly connected with the pile foundation 6 through the connecting ribs 5 instead of being integrally poured and connected with the pile foundation 6, when earthquake occurs, the connecting ribs 5 can also absorb the shock of the bearing platform 1, the stability of the bearing platform 1 is improved, the pile foundation 6 is three through the arrangement of the pile foundation 6, an equilateral triangle is formed among the three pile foundations 6, and the stability of the bearing platform 1 is further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a disconnect-type subtracts shock insulation pile group basis which characterized in that: including cushion cap (1), top fixedly connected with pier stud (2) of cushion cap (1), the inside of cushion cap (1) is provided with pressure-bearing reinforcing bar net (3), the bottom of cushion cap (1) is seted up flutedly (4), inside fixedly connected with splice bar (5) of recess (4), cushion cap (1) is through splice bar (5) fixedly connected with pile foundation (6).
2. The separated seismic isolation group pile foundation as claimed in claim 1, wherein: the top of stake basis (6) is located the inside of recess (4), recess (4) are cylindrical recess, the diameter of recess (4) is greater than the diameter of stake basis (6), it has foamed resin (7) to fill between the inner wall of recess (4) and stake basis (6).
3. The separated seismic isolation group pile foundation as claimed in claim 1, wherein: the material of the pressure-bearing reinforcing mesh (3) is HRB 400-grade hot-rolled ribbed steel bars, the pressure-bearing reinforcing mesh is of multiple layers, and the specific number can be adjusted according to the load bearing required by the bearing platform (1).
4. The separated seismic isolation group pile foundation as claimed in claim 1, wherein: the connecting ribs (5) are made of HRB 500-grade steel bars, the connecting ribs (5) are multiple in number, and the connecting ribs are annularly arrayed inside the grooves (4).
5. The separated seismic isolation group pile foundation as claimed in claim 1, wherein: the number of the grooves (4) and the number of the pile foundations (6) are three, and the grooves and the pile foundations are annularly arrayed at the bottom of the bearing platform (1).
6. The separated seismic isolation group pile foundation as claimed in claim 1, wherein: the pier column (2) and the bearing platform (1) are integrally cast and connected into a whole through embedded steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709105.6U CN215801754U (en) | 2021-07-27 | 2021-07-27 | Separated seismic isolation and reduction pile group foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709105.6U CN215801754U (en) | 2021-07-27 | 2021-07-27 | Separated seismic isolation and reduction pile group foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215801754U true CN215801754U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121709105.6U Active CN215801754U (en) | 2021-07-27 | 2021-07-27 | Separated seismic isolation and reduction pile group foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215801754U (en) |
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2021
- 2021-07-27 CN CN202121709105.6U patent/CN215801754U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220714 Address after: 350000 508, floor 5, No. 826, Xikou business street, Meixi Town, Minqing County, Fuzhou City, Fujian Province Patentee after: Zhiyong Construction Group Co.,Ltd. Address before: 615000 Building 1, west of jiubang village logistics center, Nanjie street, Huili County, Liangshan Yi Autonomous Prefecture, Sichuan Province Patentee before: Sun Zhengying |
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| TR01 | Transfer of patent right |