CN214615745U

CN214615745U - Novel from restoring to throne post earthquake-resistant structure

Info

Publication number: CN214615745U
Application number: CN202121131556.6U
Authority: CN
Inventors: 袁宏博; 黄启淼; 孙培富; 曾龙
Original assignee: China State Construction Port Engineering Group Co Ltd
Current assignee: China State Construction Port Engineering Group Co Ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-05
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to a novel self-reset column anti-seismic structure, which comprises a base and a column body, wherein the column body is arranged perpendicular to the base, the base is provided with a mounting hole, the mounting hole is a blind hole, and the bottom of the column body is inserted into the mounting hole; a plurality of prestressed reinforcements are axially arranged in the cylinder body and penetrate through the cylinder body and the base to be fixed; the energy-consuming steel bars penetrate into the base downwards, and the energy-consuming steel bars are unbonded energy-consuming sections at the bottom of the column body. Utility model's an usage is, this from the cast-in-place structure of the relative tradition of maximum deformation and residual deformation of restoration post, through increasing the power consumption reinforcing bar, increases the power consumption performance of structure, adopts the socket joint mode between lower part base and the upper portion cylinder, has avoided the drawback of flush joint for cylinder wholeness and stability obtain improving.

Description

Novel from restoring to throne post earthquake-resistant structure

Technical Field

The utility model relates to a building structure field, more specifically, the utility model relates to a novel from post shock-resistant structure that restores to throne.

Background

The pillar is as main load-bearing member, plays the transmission load effect, is crucial to the structure overall stability. A large number of earthquake damage investigation results show that under the action of an earthquake, the main manifestation of structural damage failure and even collapse is that the pillars are damaged, and the damage of the pillars causes the whole structure to be incapable of working continuously.

There are generally two types of conventional seismic design methods. One is to carry out reasonable ductility design on the column, and the other is to carry out seismic isolation design on the column; however, the former design can still be used after reinforcement for piers with less damage after earthquake, but cannot be quickly recovered in a short time, and the piers after reinforcement have poor integrity and cannot ensure normal use of the structure; the external seismic isolation and reduction device added by the latter has small deformation capacity and limited frequency. Resulting in a great limitation.

In the earthquake process, overlarge structural deformation not only causes difficulty in escape of personnel, but also greatly influences the development of rescue work, how to reduce the residual displacement and the maximum deformation of the structure, the self-resetting structure is generated in response, the earthquake energy can be effectively consumed without entering the plastic deformation of the structure, the structure safety is guaranteed, great damage can not be generated after the earthquake, the structure can be quickly recovered to use functions, the structural form enables the maximum deformation and the residual deformation of the structure to be effectively controlled, the maximum deformation of the structure can be effectively controlled, the residual deformation of the structure can be reduced, and the novel form of resisting the earthquake by the future structure becomes. But the self-resetting structure increases the integral rigidity and reduces the energy consumption capacity due to the addition of the prestress; the existing self-resetting flat structure only depends on the bottom shearing force of the friction force of a section material, and is easy to generate larger lateral displacement.

Therefore, there is a need for a novel self-resetting post anti-seismic structure that can solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solve current from reset structure power consumption ability few, produce the problem of great lateral displacement easily.

According to one aspect of the utility model, a novel self-reset column anti-seismic structure is provided, which comprises a base and a column body, wherein the column body is arranged perpendicular to the base, the base is provided with a mounting hole, the mounting hole is a blind hole, and the bottom of the column body is inserted into the mounting hole; a plurality of prestressed reinforcements are axially arranged in the cylinder body and penetrate through the cylinder body and the base to be fixed; the energy-consuming steel bars penetrate into the base downwards, and the energy-consuming steel bars are unbonded energy-consuming sections at the bottom of the column body.

Through this scheme, this from cast-in-place structure of maximum deformation and residual deformation of restoring to the throne post relatively tradition, through increasing the power consumption reinforcing bar, increase the power consumption performance of structure, adopt the socket joint mode between lower part base and the upper portion cylinder, avoided the drawback of flush joint for cylinder wholeness and stability obtain improving.

Preferably, the bottom of base and the top of cylinder all are provided with the taut board, prestressing steel both ends are fixed respectively to on the taut board.

Through this scheme, further improve prestressing steel's taut effect, improve the connection stability and the fastness of cylinder and base.

Preferably, an elastic buffer is arranged between the column body and the inner wall of the mounting hole.

Through this scheme, the elastic buffer further reduces and shakes the residual displacement after when increasing the power consumption performance of structure for cylinder wholeness and stability obtain further improvement.

Preferably, the elastic buffer comprises a connecting steel bar and an elastic steel bar, the elastic steel bar is in a V shape and is horizontally arranged, and the end of the elastic steel bar is connected to the connecting steel bar.

Through this scheme, elastic buffer adopts the reinforcing bar to weld, and convenient for material collection, and easily fix to on cylinder and the base.

Preferably, the part of the energy dissipation steel bar in the base is bent at a right angle to form an anchoring part.

Through this scheme, improve the anchor effect of power consumption reinforcing bar in the base, the power consumption ability that power consumption reinforcing bar slided from top to bottom in the base and caused when avoiding the displacement to produce descends.

The utility model discloses a technological effect lies in, this device simple structure builds the convenience, can further improve the power consumption ability, reduces remaining displacement, has improved cylinder wholeness and stability greatly.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic view of the novel anti-seismic structure from the restoring column of the embodiment of the present invention.

Fig. 2 is a schematic top view of the novel self-resetting column seismic structure of fig. 1.

Fig. 3 is a schematic diagram of the structure at a in fig. 2.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Examples

As shown in fig. 1 to 3, the novel self-resetting column earthquake-proof structure in the embodiment includes a base 100 and a column 200, wherein the column 200 is arranged perpendicular to the base 100, the base 100 is provided with a mounting hole 110, the mounting hole 110 is a blind hole, and the bottom of the column 200 is inserted into the mounting hole 110; a plurality of prestressed reinforcements 210 are axially arranged in the column body 200, and the prestressed reinforcements 210 penetrate through the column body 200 and the base 100 to be fixed; a plurality of energy consumption reinforcing steel bars 220 are arranged near the bottom of the column body 200, the energy consumption reinforcing steel bars 220 penetrate downwards into the base 100, and an unbonded energy consumption section 221 is arranged at the bottom of the column body 200 by the energy consumption reinforcing steel bars 220.

Through this scheme of this embodiment, unbonded energy consumption section 221 is split type structure with cylinder 200, for example has cylindric hole in cylinder 200 bottom, and unbonded energy consumption section 221 moves about or slightly stretches in this cylindric hole under the exogenic action, improves the power consumption ability. Compared with the traditional cast-in-place structure, the maximum deformation and the residual deformation of the self-resetting column increase the energy consumption performance of the structure by increasing the energy consumption reinforcing steel bars 220, and the socket joint mode is adopted between the lower base 100 and the upper column body 200, so that the defect of a plain joint is avoided, and the integrity and the stability of the column body 200 are improved.

In this embodiment or other embodiments, the bottom of the base 100 and the top of the column 200 are both provided with a tensioning plate 211, and two ends of the prestressed reinforcement bar 210 are respectively fixed to the tensioning plate 211, so as to further improve the tensioning effect of the prestressed reinforcement bar 210, and improve the connection stability and firmness of the column 200 and the base 100.

In this or other embodiments, an elastic buffer 120 is disposed between the column 200 and the inner wall of the mounting hole 110. The elastic buffer 120 further reduces the residual displacement after the earthquake while increasing the energy consumption performance of the structure, so that the integrity and stability of the column body 200 are further improved; but also helps to protect the bottom of the column 200 from damage caused by rigid impacts.

In this embodiment or other embodiments, the elastic buffer 120 includes a connection bar 121 and an elastic bar 122, the elastic bar 120 is in a "V" shape and is horizontally disposed, and an end of the elastic bar 122 is connected to the connection bar 121. The elastic buffer adopts the reinforcing steel bar to weld, is convenient to obtain materials and is easy to fix on the column body and the base. The V-shaped elastic reinforcement 120 has a certain elasticity, and can perform elastic buffering when horizontal displacement occurs, thereby increasing energy consumption. The connection bars 121 are mesh reinforcements or cages, which are easily poured onto the inner walls of the connection holes and the bottom of the column 200, and then the elastic bars 120 are welded.

In this embodiment or other embodiments, a portion of the energy consuming steel bar 220 located in the base 100 is bent at a right angle to form an anchoring portion 222, so as to improve the anchoring effect of the energy consuming steel bar 220 in the base 100, and avoid the energy consuming capability reduction caused by the up-and-down sliding of the energy consuming steel bar 220 in the base 100 when the displacement occurs.

The technical effect of this embodiment lies in, this device simple structure builds the convenience, can further improve the power consumption ability, reduces residual displacement, has improved cylinder wholeness and stability greatly.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A novel self-reset column anti-seismic structure comprises a base and a column body, wherein the column body is arranged perpendicular to the base, and the novel self-reset column anti-seismic structure is characterized in that a mounting hole is formed in the base and is a blind hole, and the bottom of the column body is inserted into the mounting hole; a plurality of prestressed reinforcements are axially arranged in the cylinder body and penetrate through the cylinder body and the base to be fixed; the energy-consuming steel bars penetrate into the base downwards, and the energy-consuming steel bars are unbonded energy-consuming sections at the bottom of the column body.

2. A novel self-resetting post earthquake-resistant structure as claimed in claim 1, wherein the bottom of the base and the top of the post body are provided with tensioning plates, and two ends of the prestressed reinforcement are respectively fixed on the tensioning plates.

3. A novel self-resetting post anti-seismic structure according to claim 1, characterized in that an elastic buffer is arranged between the post body and the inner wall of the mounting hole.

4. A novel self-resetting post earthquake-resistant structure as claimed in claim 3, wherein the elastic buffer comprises connecting steel bars and elastic steel bars, the elastic steel bars are in a V shape and are horizontally arranged, and the ends of the elastic steel bars are connected to the connecting steel bars.

5. A novel self-resetting post anti-seismic structure according to claim 1, wherein the part of the energy dissipation steel bar in the base is bent at right angles to form an anchoring part.