CN213062076U

CN213062076U - Building engineering foundation earthquake-resistant structure

Info

Publication number: CN213062076U
Application number: CN202021754661.0U
Authority: CN
Inventors: 麦小君; 董昱良; 黄永铨
Original assignee: Guangdong Jintuo Construction Engineering Co ltd
Current assignee: Guangdong Jintuo Construction Engineering Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-27
Anticipated expiration: 2030-08-20

Abstract

The application relates to building engineering's technical field especially relates to a building engineering foundation earthquake-resistant structure, and its technical scheme main points are: the device comprises a base positioned above a substrate, a supporting layer arranged on the base and used for supporting a building, and a longitudinal buffer part and a transverse buffer part which are respectively arranged between the supporting layer and the base from top to bottom, wherein the transverse buffer part comprises a mounting plate fixedly connected to the top of the base and a plurality of steel balls arranged on the top of the mounting plate, and the mounting plate is provided with a plurality of mounting grooves for the rolling arrangement of the steel balls; the longitudinal buffer part comprises a shock absorption plate which is abutted with the steel balls, and the shock absorption plate is provided with a plurality of grooves for the steel balls to roll relatively. This application has the technological effect who improves the stability of building.

Description

Building engineering foundation earthquake-resistant structure

Technical Field

The application relates to the technical field of constructional engineering, in particular to a foundation earthquake-resistant structure of constructional engineering.

Background

With the development of human society and the increase of population, more and more buildings are built by human beings, and in order to save land, a plurality of high-rise buildings are built in various domestic large cities, and a large amount of population and material wealth are gathered in the buildings, so that the safety of the buildings becomes an important problem, wherein the earthquake-proof performance is an important index. When an earthquake occurs, the wave transmitted to the ground by a seismic source has two types: shear waves and longitudinal waves.

At present, chinese patent with publication number CN202899170U discloses an anti-seismic foundation, including a ground building and a foundation, the foundation includes a connected cushion layer arranged in the ground, the peripheral walls of the connected cushion layer are provided with limit walls, a supporting layer and a base are arranged above the connected cushion layer, the supporting layer is connected with the connected cushion layer through a rubber support, the supporting layer is connected with the base through a steel ball isolation frame, a plurality of steel balls are arranged in the steel ball isolation frame, the supporting layer and the base are both composed of a reinforced concrete layer and a steel plate, and the peripheries of the supporting layer and the base are both connected with the limit walls through rubber blocks.

With respect to the related art among the above, the inventors consider that there is a defect: although the earthquake-resistant foundation can buffer the horizontal shaking in earthquake through the movable steel balls which can roll randomly between the supporting layer and the base, the steel balls are easy to shift after moving, and the steel balls and the steel ball isolation frame have poor supporting effect on the whole building.

SUMMERY OF THE UTILITY MODEL

In order to improve the technical effect of the stability of building, this application provides a building engineering foundation earthquake-resistant structure.

The application provides a pair of building engineering foundation anti-seismic structure adopts following technical scheme:

a foundation anti-seismic structure of constructional engineering comprises a base positioned above a substrate, a supporting layer arranged on the base and used for supporting a building, and a longitudinal buffer part and a transverse buffer part which are respectively arranged between the supporting layer and the base from top to bottom, wherein the transverse buffer part comprises a mounting plate fixedly connected to the top of the base and a plurality of steel balls mounted on the top of the mounting plate, and the mounting plate is provided with a plurality of mounting grooves for the rolling arrangement of the steel balls; the longitudinal buffer part comprises a shock absorption plate which is abutted to the steel balls, and the shock absorption plate is provided with a plurality of grooves for the relative rolling of the steel balls.

By adopting the technical scheme, when vibration occurs, the base drives the base and the mounting plate to vibrate, so that the steel balls roll relatively in the mounting grooves and the grooves, the vibration amplitude of the damping plate and the supporting layer is reduced by utilizing rolling friction force, the limit of the mounting grooves and the grooves to the steel balls is simultaneously utilized, the condition that the steel balls are deviated in position due to earthquake is reduced, and the integral stability of the building is further kept.

Preferably, the depth of the mounting grooves is larger than the radius of the steel balls, and the width of the notches of the mounting grooves is smaller than the diameter of the steel balls.

Through adopting above-mentioned technical scheme, utilize the degree of depth and the setting of notch width of mounting groove for the steel ball is difficult for breaking away from the mounting groove when rolling in the mounting groove.

Preferably, the groove bottom circumference of mounting groove is provided with a plurality of standing groove, and a plurality of all inlay in the standing groove and be equipped with the ball, the ball protrusion rolls in the standing groove and with the ball relatively.

By adopting the technical scheme, when the steel ball is arranged in the mounting groove, the steel ball is abutted against the ball, and the ball supports the steel ball; meanwhile, the steel balls and the balls roll relatively in the vibration process, so that the friction force between the mounting groove and the balls is reduced, the transverse vibration amplitude borne by the balls is further reduced, and the transverse vibration amplitude borne by the supporting layer is further reduced.

Preferably, the longitudinal buffer part further comprises a plurality of elastic members, and two ends of each elastic member are respectively connected to the opposite surfaces of the damping plate and the supporting layer.

Through adopting above-mentioned technical scheme, when the earthquake takes place, the basement drives horizontal buffering portion and takes place longitudinal vibration, and then horizontal buffering portion drives shock attenuation board and supporting layer and takes place longitudinal vibration, utilizes a plurality of elastic component, and then slows down horizontal buffering portion and realizes the longitudinal vibration range to the supporting layer.

Preferably, a plurality of the elastic members are leaf springs.

Through adopting above-mentioned technical scheme, the leaf spring has cushioned the ascending vibration amplitude of vertical side to the supporting layer of shock attenuation board, realizes realizing the ascending direction of vertical side to the supporting layer simultaneously, and then keeps the stability of shaking the back building.

Preferably, the longitudinal section of the groove is arc-shaped, and the groove is abutted to the steel ball.

Through adopting above-mentioned technical scheme, utilize the arc wall setting, after vibrations, utilize the relative roll of steel ball and recess for the highest end of recess resets and with steel ball looks butt, and then makes the building whole remain stable.

Preferably, the base is provided with a plurality of reinforcing piles at intervals, and the reinforcing piles penetrate through the upper surface and the lower surface of the base and are inserted into the substrate.

Through adopting above-mentioned technical scheme, utilize the reinforcing pile who inserts in the basement, the condition that the basement appears subsiding when shaking takes place is reduced.

Preferably, the end of the reinforcing pile inserted into the substrate is arranged in a conical shape.

Through adopting above-mentioned technical scheme, utilize the tip that the coniform set up, the staff of being convenient for inserts the reinforcement stake in the basement, and then has improved the installation effectiveness of reinforcement stake.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the base and the mounting plate are driven by the bottom to transversely vibrate, and then the steel balls roll in the mounting groove and roll relative to the grooves, so that the transverse vibration amplitude borne by the damping plate and the supporting layer is reduced, the original positions of the steel balls are kept after vibration, and the integral stability of the building is further kept;

2. through the arrangement of the depth of the mounting groove and the width of the notch, the steel ball rolls in the mounting groove, and the original position of the steel ball is kept after vibration;

3. through steel ball and ball looks butt, the ball realizes the supporting role to the steel ball, but steel ball and ball roll relatively when vibrations simultaneously, have reduced the frictional force between mounting groove and the ball, and then have reduced the horizontal vibration range between mounting panel and the ball, have reduced the horizontal vibration range that the supporting layer received simultaneously.

Drawings

FIG. 1 is a schematic structural view of an earthquake-resistant structure of a foundation of a construction work according to the present embodiment;

FIG. 2 is a schematic sectional view showing the structure of the lateral cushioning portion and the longitudinal cushioning portion in the present embodiment;

fig. 3 is an enlarged view at a in fig. 2.

In the figure, 1, a base; 11. reinforcing piles; 2. a support layer; 3. a longitudinal buffer portion; 31. a damper plate; 311. a groove; 32. a plate spring; 4. a lateral buffer portion; 41. mounting a plate; 411. mounting grooves; 412. a placement groove; 42. steel balls; 43. and a ball.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses building engineering foundation earthquake-resistant structure. Referring to fig. 1, the earthquake-resistant structure includes a base 1 poured over a foundation, a supporting layer 2 disposed over the base 1 for supporting a building, and a longitudinal buffer portion 3 and a lateral buffer portion 4 sequentially disposed from top to bottom between the supporting layer 2 and the base 1. The longitudinal buffer part 3 is fixedly connected with the supporting layer 2 and is used for buffering longitudinal vibration. The transverse buffer part 4 is fixedly connected with the base 1, the longitudinal buffer part 3 is abutted against the transverse buffer part 4 and can move relatively, and the transverse buffer part 4 is used for buffering transverse vibration.

Referring to fig. 1 and 2, the base 1 is provided with a plurality of reinforcing piles 11 penetrating through upper and lower surfaces thereof and inserted into the substrate in a vertical direction, and the plurality of reinforcing piles 11 are uniformly arranged and have end portions inserted into the substrate in a conical shape, so that a worker can insert the reinforcing piles 11 into the substrate conveniently.

Referring to fig. 1 and 2, in particular, the longitudinal buffer 3 comprises a damping plate 31 disposed below the supporting layer 2 in abutment with the transverse buffer 4 and a plurality of leaf springs 32 disposed between the supporting layer 2 and the damping plate 31. The plurality of leaf springs 32 are uniformly distributed between the supporting layer 2 and the damping plate 31 at intervals along the horizontal direction, and in this embodiment, the upper and lower surfaces of the leaf springs 32 are respectively welded on the opposite surfaces of the supporting layer 2 and the damping plate 31.

Referring to fig. 2 and 3, specifically, the transverse buffer part 4 includes a mounting plate 41 fixedly connected to the top of the base 1 and a plurality of steel balls 42 rolling on the top of the mounting plate 41 and abutting against the damping plate 31, and the steel balls 42 are uniformly spaced along the horizontal direction. The top surface of mounting panel 41 is provided with the mounting groove 411 that a plurality of confession steel ball 42 rolled the setting, and the degree of depth of mounting groove 411 is greater than the radius of steel ball 42, and the width between the mounting groove 411 notch is less than the diameter of steel ball 42 for the notch of mounting groove 411 all is located the horizontal position of steel ball 42 centre of a circle more than, and the partial structure protrusion of steel ball 42 outside mounting groove 411, and then makes steel ball 42 be difficult for breaking away from mounting groove 411 at the rolling in-process. Meanwhile, one side of the damping plate 31 close to the steel balls 42 is provided with a plurality of grooves 311 which are in one-to-one correspondence with and abut against the steel balls 42, and the longitudinal section of each groove 311 is arc-shaped. In addition, a plurality of balls 43 and a plurality of placing grooves 412 for rolling the balls 43 are uniformly arranged on the bottom of the mounting groove 411 in the circumferential direction. The width between the notches of the placing grooves 412 is smaller than the diameter of the ball 43, part of the structure of the ball 43 protrudes out of the mounting groove 411 to abut against the steel ball 42 and can roll relative to the steel ball 42, and in the embodiment, three placing grooves 412 can be correspondingly arranged in one mounting groove 411. When the balls 43 roll relative to the steel balls 42, the balls 43 are difficult to be separated from the placing grooves 412 in the rolling process, and therefore the friction force between the mounting plate 41 and the steel balls 42 is reduced.

The implementation principle of the building engineering foundation earthquake-resistant structure of the embodiment of the application is as follows:

when taking place longitudinal vibration, base 1 and horizontal buffering portion 4 drive shock attenuation board 31 and take place longitudinal vibration, and shock attenuation board 31 drives leaf spring 32 and supporting layer 2 simultaneously and takes place longitudinal vibration, and leaf spring 32 takes place elastic deformation along vertical direction simultaneously, and then cushions the vibration range of shock attenuation board 31 to the transmission of supporting layer 2 to keep shaking the stability of back building.

When transverse vibration occurs, the base drives the base 1 and the mounting plate 41 to generate transverse vibration, the mounting plate 41 drives the steel balls 42 to generate transverse vibration, the steel balls 42 roll in the grooves 311 and the mounting grooves 411 relatively, and then the friction force between the steel balls 42 and the damping plate 31 is reduced, so that the transverse vibration amplitude borne by the supporting layer 2 is reduced; meanwhile, the steel ball 42 and the ball 43 roll relatively, and the rolling friction force between the steel ball 42 and the ball 43 is utilized, so that the transverse vibration amplitude borne by the steel ball 42 is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building engineering ground anti-seismic structure, is including base (1) that is located the basement top and set up on base (1) and be used for supporting layer (2) of building, its characterized in that: the device is characterized by further comprising a longitudinal buffering part (3) and a transverse buffering part (4) which are respectively arranged between the supporting layer (2) and the base (1) from top to bottom, wherein the transverse buffering part (4) comprises an installation plate (41) fixedly connected to the top of the base (1) and a plurality of steel balls (42) installed on the top of the installation plate (41), and the installation plate (41) is provided with a plurality of installation grooves (411) for the rolling arrangement of the steel balls (42); the longitudinal buffer part (3) comprises a damping plate (31) which is abutted to the steel balls (42), and the damping plate (31) is provided with a plurality of grooves (311) for the relative rolling of the steel balls (42).

2. A constructional engineering foundation anti-seismic structure as defined in claim 1, wherein: the depth of the mounting grooves (411) is larger than the radius of the steel balls (42), and the width of the notches of the mounting grooves (411) is smaller than the diameter of the steel balls (42).

3. A constructional engineering foundation anti-seismic structure as defined in claim 2, wherein: the groove bottom circumference of the mounting groove (411) is provided with a plurality of placing grooves (412), balls (43) are embedded in the placing grooves (412), and the balls (43) protrude out of the placing grooves (412) and roll relative to the balls (43).

4. A constructional engineering foundation anti-seismic structure as defined in claim 1, wherein: the longitudinal buffer part (3) also comprises a plurality of elastic pieces, and two ends of each elastic piece are respectively connected to the opposite surfaces of the damping plate (31) and the supporting layer (2).

5. A constructional engineering foundation anti-seismic structure as defined in claim 4, wherein: the elastic member is provided as a plate spring (32).

6. A constructional engineering foundation anti-seismic structure as defined in claim 1, wherein: the longitudinal section of the groove (311) is arc-shaped, and the groove (311) is abutted to the steel ball (42).

7. A constructional engineering foundation anti-seismic structure as defined in claim 1, wherein: the base (1) is provided with a plurality of reinforcing piles (11) which penetrate through the upper surface and the lower surface of the base and are inserted into the substrate at intervals.

8. A constructional engineering foundation anti-seismic structure as defined in claim 7, wherein: the end part of the reinforcing pile (11) inserted into the substrate is arranged in a conical shape.