CN215367373U

CN215367373U - Anti-seismic foundation

Info

Publication number: CN215367373U
Application number: CN202121160872.6U
Authority: CN
Inventors: 黄志�
Original assignee: Guangxi Polytechnic of Construction
Current assignee: Guangxi Polytechnic of Construction
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-31
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses an anti-seismic foundation which comprises a base, a foundation body, a plurality of supporting columns and a damping device, wherein two ends of the plurality of supporting columns are respectively connected between the base and the foundation body, all the supporting columns can flexibly deform, the mounting ends of the damping device are arranged on the base, and the output ends of the damping device are connected with the bottom surface of the foundation body. The anti-seismic foundation is provided with the base, and the base is used as a bottom supporting structure of the whole foundation structure, so that the effect of fixing the foundation structure with the ground can be achieved; the foundation body is connected through the support columns, the support columns can support the foundation body, and meanwhile when an earthquake occurs, the support columns can improve restoring force when the foundation body and the foundation generate deviation at a certain angle, so that the deviation angle between the foundation body and the foundation can be effectively buffered. In addition, the damping device is used as a secondary buffer structure between the foundation body and the base, so that the alignment between the foundation body and the base can be accelerated, and the influence of the earthquake cross slope on the whole building structure is reduced.

Description

Anti-seismic foundation

Technical Field

The utility model relates to the technical field of buildings, in particular to an anti-seismic foundation.

Background

The foundation refers to the soil or rock mass of the supporting foundation under the building. The foundation refers to the portion of the soil body that is subjected to the load of the superstructure. The soil or rock mass under the foundation that bears the entire load of the building is called the foundation. The foundation does not belong to the building component, but has a very important role in ensuring the firmness and durability of the building.

The conventional building foundation is basically a supporting foundation portion which is buried in the underground portion as the whole building body, and its earthquake resistance is an important index of building performance. The existing building foundation has single seismic capacity, can only rely on single-stage seismic capacity to resist earthquake, particularly has small impact force for resisting earthquake transverse waves, has poor seismic effect and poor buffer capacity, is easy to cause building swing due to the impact of the earthquake transverse waves and collapse when the swing amplitude is larger than the maximum swing angle of the building, and brings certain hidden danger to the building safety.

Disclosure of Invention

The utility model aims to solve at least one of the technical problems and provides an anti-seismic foundation which is simple in structure and can effectively buffer the impact of seismic transverse waves on a building structure and reduce the swing angle of the building.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an earthquake-resistant foundation comprises

A substrate;

a foundation body;

a plurality of support columns, both ends of each support column are respectively connected between the substrate and the foundation body, all the support columns can flexibly deform, an

And the mounting end of the damping device is mounted on the base, and the output end of the damping device is connected with the bottom surface of the foundation body.

Furthermore, a supporting surrounding wall body is arranged on the periphery of the substrate, and a damping space is formed in the middle of the substrate; the border cap of ground body seals on supporting the enclosure body, the support column sets up in shock attenuation space.

Further, a sealing gasket is arranged between the supporting enclosing wall body and the foundation body.

Furthermore, the outer side of the supporting enclosing wall body is provided with a limiting column.

Furthermore, the outer side of the gap between the supporting wall body and the foundation body is provided with a rubber connecting sheet, and the upper side and the lower side of the rubber connecting sheet are respectively fixedly connected with the outer walls of the supporting wall body and the foundation body.

Furthermore, the outer side of the supporting enclosing wall body is provided with a waterproof layer, and the waterproof layer penetrates through the rubber connecting sheet and extends to the outer side wall of the foundation body.

Further, damping device includes hydraulic damper, connecting rod and fixed column, the one end of fixed column is installed on the bottom surface of ground body, hydraulic damper installs on the basement, the one end of connecting rod is connected with hydraulic damper's output, the other end and the fixed column of connecting rod are connected.

Further, a stop block is arranged on the base in the telescopic direction of the hydraulic damper.

Furthermore, both ends of the support column are provided with reinforcing ribs.

The utility model has the beneficial effects that:

the anti-seismic foundation is provided with the base, and the base is used as a bottom supporting structure of the whole foundation structure, so that the effect of fixing the foundation structure with the ground can be achieved; the foundation body is connected through the support columns, the support columns can support the foundation body, and meanwhile when an earthquake occurs, the support columns can improve restoring force when the foundation body and the foundation generate deviation at a certain angle, so that the deviation angle between the foundation body and the foundation can be effectively buffered. In addition, the damping device is used as a secondary buffer structure between the foundation body and the base, so that the alignment between the foundation body and the base can be accelerated, and the influence of the earthquake cross slope on the whole building structure is reduced.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

FIG. 1 is a first schematic structural diagram according to an embodiment of the present invention;

FIG. 2 is a second schematic structural diagram according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a portion of an embodiment of the present invention;

fig. 4 is a cross-sectional view of an embodiment of the present invention.

In the figure: the damping device comprises a substrate 10, a supporting enclosing wall body 11, a damping space 12, a sealing gasket 13, a limiting column 14, a rubber connecting sheet 15, a waterproof layer 16, a stop block 17, a foundation body 20, a supporting column 30, a damping device 40, a hydraulic damper 41, a connecting rod 42 and a fixing column 43

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present application provides an anti-seismic foundation, including a base 10, a foundation body 20, a plurality of support columns 30 and a damping device 40, wherein two ends of the plurality of support columns 30 are respectively connected between the base 10 and the foundation body 20, all the support columns 30 are capable of flexibly deforming, a mounting end of the damping device 40 is mounted on the base 10, and an output end is connected with a bottom surface of the foundation body 20. Wherein, the two ends of the supporting column 30 are respectively fixedly connected with the substrate 10 and the foundation body 20, and can be integrally poured in the construction process. Of course, in some embodiments, the lower end of the supporting column 30 is integrally constructed with the foundation 10, and the upper end can be connected to the bottom surface of the foundation body 20 through a connection structure, which can effectively improve the flexibility and strength of the entire foundation structure. It should be noted that the connection structure may be a structure connected with a conventional bridge and pier, and the present application is not described in detail herein.

In order to better protect and support the foundation body 20, the periphery of the foundation 10 is provided with a support surrounding wall body 11, and a damping space 12 is formed in the middle; the edge of the foundation body 20 is covered on the supporting enclosing wall body 11, and the supporting column 30 is arranged in the shock absorption space 12. Wherein, the border of foundation body 20 and the top fixed connection who supports enclosure 11, both can produce relative slip, and the relative basement 10 of building structure on the foundation body 20 of can being convenient for like this takes place cheaply, can cushion the impact force effectively when bearing the earthquake transverse wave, improves building structure's stability. In fact, the damping space 12 may be filled with some buffer material or installed with some vibration detecting equipment to improve the shock resistance of the whole building.

In the above embodiment, since the top of the supporting enclosure 11 is not fixedly connected to the bottom of the foundation body 20, the supporting enclosure 11 and the foundation body 20 can slide, and in order to improve the sealing performance of the connection between the two, the sealing gasket 13 is disposed between the supporting enclosure 11 and the foundation body 20, and besides the sealing gasket 13, other waterproof structures may be disposed between the supporting enclosure 11 and the foundation body 20, for example, the waterproof structure disclosed in the patent publication No. CN 109322246A-a railway steel bridge deck waterproof protection structure and the construction method thereof is waterproof, and the application is not described in detail herein.

Referring to fig. 1 to 4, in a modified embodiment of the present application, a rubber connecting piece 15 is disposed outside a gap between the supporting enclosure body 11 and the foundation body 20, and upper and lower sides of the rubber connecting piece 15 are respectively fixedly connected to the supporting enclosure body 11 and an outer wall of the foundation body 20. Wherein, rubber connection piece 15's major structure except that the sealed gap that supports between bounding wall body 11 and the ground body 20, can also play the effect of joint support bounding wall body 11 and ground body 20, when externally taking place the earthquake, basement 10 transmits the vibration that can make and can take place relative slip to a certain extent between basement 10 and the ground body 20 for ground body 20, except support column 30 and damping device 40's buffering, rubber connection piece 15 also can play certain cushioning effect, can avoid taking place deformation when basement 10 and ground body 20 take place relative slip, provide the restoring force.

In order to avoid excessive swing between the foundation 10 and the foundation body 20, in a modified embodiment, the outer side of the supporting enclosing wall 11 is provided with a limiting column 14, and the swing of the foundation body 20 can be effectively limited by using the limiting column 14.

Further, in order to improve the waterproof performance, a waterproof layer 16 is arranged on the outer side of the supporting enclosing wall body 11, and the waterproof layer 16 penetrates through the rubber connecting sheet 15 and extends to the outer side wall of the foundation body 20. The waterproof layer 16 is coated on the foundation body 20 and the outer layer of the foundation 10, and the waterproof layer 16 may be formed by coating waterproof paint and protective cloth.

Referring to fig. 3 to 4, in order to reduce the swing amplitude between the foundation body 20 and the base 10, the damping device 40 includes a hydraulic damper 41, a connecting rod 42, and a fixing post 43, one end of the fixing post 43 is mounted on the bottom surface of the foundation body 20, the hydraulic damper 41 is mounted on the base 10, one end of the connecting rod 42 is connected to an output end of the hydraulic damper 41, and the other end of the connecting rod 42 is connected to the fixing post 43. Wherein, the damping devices 40 can be provided with a plurality of groups, and the extending direction of each group of damping devices 40 is different. In fact, the installation direction of the damping device 40 needs to be determined by giving priority to the building area of the building body and the specific position direction of the conventional or plate moving belt at the time of specific installation, so that the amount of the damping device 40 used and the accuracy of the use can be minimized. Since the present application basically considers the transverse wave of the earthquake, the extending direction of the damping device 40 needs to be set according to the actual situation. In order to effectively limit the active stroke of the hydraulic damper 41, the base 10 is provided with a stopper 17 in the direction in which the hydraulic damper 41 extends and contracts, and the stopper 17 may be a conventional concrete block.

In some embodiments, in order to increase the resistance of the entire building structure to the primary seismic waves, the support columns 30 are provided with a damping structure, such as a large spring or damper, along the longitudinal direction thereof to increase the shock resistance. In addition, both ends of support column 30 all are provided with the strengthening rib, improve support column 30's intensity.

The anti-seismic foundation is provided with the base 10, and the base is used as a bottom supporting structure of the whole foundation structure, so that the effect of fixing the foundation structure with the ground can be achieved; the foundation body 20 is connected through the supporting columns 30, the foundation body 20 can be supported by the supporting columns 30, and meanwhile, when an earthquake occurs, the supporting columns 30 can improve restoring force when the foundation body 20 and the foundation 10 deviate at a certain angle, so that the deviation angle between the foundation body 20 and the foundation 10 can be effectively buffered. In addition, the damping device 40 is used as a secondary buffer structure between the foundation body 20 and the foundation 10, so that the alignment between the foundation body 20 and the foundation 10 can be accelerated, and the influence of an earthquake cross slope on the whole building structure is reduced.

The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.

Claims

1. An earthquake-resistant foundation, characterized by comprising

A substrate;

a foundation body;

2. An earthquake-resistant foundation according to claim 1, wherein the base is provided at the periphery thereof with a supporting surrounding wall body and forms a shock-absorbing space in the middle; the border cap of ground body seals on supporting the enclosure body, the support column sets up in shock attenuation space.

3. An earthquake-resistant foundation according to claim 2, characterised in that a sealing gasket is arranged between said supporting enclosure and the foundation body.

4. An earthquake-resistant foundation according to claim 2, wherein the outside of said supporting enclosing wall body is provided with a spacing post.

5. An anti-seismic foundation according to claim 2, wherein rubber connecting pieces are arranged outside the gap between the supporting wall body and the foundation body, and the upper side and the lower side of each rubber connecting piece are fixedly connected with the outer walls of the supporting wall body and the foundation body respectively.

6. An earthquake-resistant foundation according to claim 5, wherein the outside of the supporting enclosing wall body is provided with a waterproof layer which passes through the rubber connecting sheet and extends to the outer side wall of the foundation body.

7. An earthquake-resistant foundation according to any one of claims 1 to 6, wherein said damping means comprises a hydraulic damper, a connecting rod and a fixing post, one end of said fixing post is mounted on the bottom surface of the foundation body, said hydraulic damper is mounted on the foundation, one end of said connecting rod is connected to the output end of the hydraulic damper, and the other end of said connecting rod is connected to the fixing post.

8. An earthquake foundation according to claim 7, wherein said base is provided with stops in the direction of extension and retraction of the hydraulic dampers.

9. An earthquake-resistant foundation according to any one of claims 1 to 6, wherein reinforcing bars are provided at both ends of the supporting columns.