CN216586982U

CN216586982U - Assembled antidetonation node

Info

Publication number: CN216586982U
Application number: CN202123237818.XU
Authority: CN
Inventors: 杨星星; 匡成钢; 赖帅
Original assignee: Huizhou University
Current assignee: Huizhou University
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-24
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses an assembled anti-seismic node, and belongs to the technical field of assembled anti-seismic structures. It includes reinforced concrete column, reinforced concrete roof beam, foraminiferous square steel sheet, shrouding and metal power consumption piece, and the link of reinforced concrete column and reinforced concrete roof beam all has a plurality of foraminiferous square steel sheet that set up side by side, and foraminiferous square steel sheet is parallel with reinforced concrete column length direction, and foraminiferous square steel sheet on the reinforced concrete column and the foraminiferous square steel sheet cooperation on the reinforced concrete roof beam are pegged graft to set up shrouding encapsulation node at both ends, it is fixed to correspond the hole site and pass through the connection of metal power consumption piece. The assembled anti-seismic node releases end bending moment, when small and medium earthquakes occur, the metal energy dissipation part has initial rigidity, the node does not start to rotate, and the earthquake is resisted by concrete beams and columns; when a large earthquake occurs, the node starts to rotate around the rigid bolt, and the metal energy dissipation part starts to dissipate energy due to shear deformation.

Description

Assembled antidetonation node

Technical Field

The utility model relates to the technical field of assembled anti-seismic structures, in particular to an assembled anti-seismic node.

Background

In the existing fabricated concrete frame structure, the beam-column connection mode is a core stress position which influences the anti-seismic performance of the whole structure. In order to realize the design principle of 'strong node and weak member', the strength, rigidity and ductility of the beam-column node region need to be ensured to meet the requirements of normal use conditions and the requirements on bearing capacity and deformation capacity under the action of earthquake. However, the existing fabricated connecting node structure is generally connected by sheathing boards, for example, an anti-seismic node of a fabricated beam-column node device with patent number 201921713839.4, which includes a concrete beam, a concrete column, vertical steel backing plates, a rectangular column, surrounding plates, a first horizontal bolt, a second horizontal bolt, a third horizontal bolt, a vertical bolt and a connecting steel plate, wherein placing grooves are respectively preset at two ends of the concrete column, the vertical steel backing plates are respectively arranged at two ends of the concrete column and are located in the placing grooves, the concrete column and the two vertical steel backing plates are connected by the horizontal bolts, the rectangular column is welded on the vertical steel backing plate close to the concrete beam, a rectangular hole is arranged at one end of the concrete beam close to the rectangular column, the rectangular hole is matched with the rectangular column, the surrounding plates are respectively arranged around the concrete beam, and two adjacent surrounding plates are respectively welded, the end, close to the concrete column, of the enclosing plate is fixed with the connecting steel plate, the concrete column, the two vertical steel base plates and the connecting steel plate are connected through a transverse bolt II, and the enclosing plate is connected with the concrete beam through a vertical bolt and a transverse bolt III. When vibration is generated, shearing stress is easily generated at the joint, the strength is low, and the joint is easy to break.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide an assembled anti-seismic node, which releases end bending moment, and when small and medium earthquakes occur, corner displacement occurs between a reinforced concrete beam and a reinforced concrete column, and a friction layer slides to realize energy dissipation.

The purpose of the utility model is realized by the following technical scheme:

an assembled seismic node comprising: the steel reinforced concrete column, the steel reinforced concrete beam, the square steel plate with the hole, the sealing plate and the metal energy dissipation part;

the connecting ends of the reinforced concrete columns and the reinforced concrete beams are provided with a plurality of square steel plates with holes which are arranged in parallel;

the square steel plate with holes on the reinforced concrete column is matched and spliced with the square steel plate with holes on the reinforced concrete beam, the sealing plate packaging nodes are arranged at two ends of the reinforced concrete column, and the corresponding hole sites are connected and fixed through the metal energy dissipation parts.

In one embodiment, the reinforced concrete column and the square steel plate with holes on the reinforced concrete beam are matched and spliced, a central hole is formed in the square steel plate with holes, and a plurality of connecting holes are formed in the periphery of the central hole.

In one embodiment, the metal energy dissipation member comprises a rigid bolt and a metal energy dissipation rod, the middle hole is connected in a penetrating mode through the rigid bolt, and the connecting holes in the periphery are connected through the metal energy dissipation rod.

In one embodiment, the sealing plates are round steel plates arranged at two ends of the square steel plate with holes in a matching and inserting mode, and are provided with first middle holes correspondingly matched with the square steel plate with holes and a plurality of first connecting holes formed along the periphery of the first middle holes.

In one embodiment, the first connection holes are uniformly arranged along the periphery of the first middle hole.

The utility model has the beneficial effects that:

1. the anti-seismic node comprises a reinforced concrete column, a reinforced concrete beam, a square steel plate with holes, a round steel plate with holes and a metal energy consumption piece, wherein a plurality of square steel plates with holes are arranged in parallel at the connecting end of a reinforced concrete support column and the reinforced concrete beam, the square steel plate with holes is parallel to the length direction of the concrete column, the square steel plate with holes on the reinforced concrete support column and the square steel plate with holes on the reinforced concrete beam are matched and spliced, round steel plate packaging nodes are arranged at two ends of the reinforced concrete support column, and corresponding hole sites are connected and fixed through the metal energy consumption piece; the energy-consuming assembled anti-seismic node releases end bending moment, when small and medium earthquakes occur, the metal energy-consuming part has initial rigidity, the node does not start to rotate and resists the earthquakes by the concrete beam and the concrete column, when the large earthquakes occur, the node starts to rotate around the rigid bolt, and the metal energy-consuming bar starts to dissipate energy after shearing deformation.

2. The utility model relates to a reinforced concrete support column and a square steel plate with holes on a reinforced concrete beam, which are matched and spliced, wherein a center hole is formed in the square steel plate with the holes, and a plurality of connecting holes are formed along the periphery of the center hole. The middle holes are connected in a penetrating mode through rigid bolts, and the connecting holes in the periphery are connected through metal energy dissipation parts. Through the provided node connection mode, the strength, rigidity and ductility of the beam-column node area are ensured to be large enough, and the requirements on the bearing capacity and the deformability under the action of an earthquake can be met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an assembled seismic node of the present invention;

FIG. 2 is a schematic structural view of FIG. 1 in the event of a shock;

FIG. 3 is a schematic structural view of the reinforced concrete column of FIG. 1;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a schematic structural view of the reinforced concrete beam of fig. 1;

fig. 6 is a top view of fig. 5.

In the figure: the concrete energy-consumption steel plate comprises 1-a reinforced concrete column, 2-a closing plate, 3-a reinforced concrete beam, 4-a square steel plate with holes, 41-a square steel plate I with holes, 42-a square steel plate II with holes, 43-a middle hole, 44-a connecting hole, 5-a rigid bolt and 6-a metal energy-consumption rod.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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 an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 herein in the description of the utility model 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.

The utility model is described in detail below with reference to the figures and examples.

Example (b): as shown in fig. 1-3, the utility model discloses an assembled earthquake-proof joint, which comprises a reinforced concrete column 1, a reinforced concrete beam 3, a square steel plate with holes 4, a sealing plate 2 and a metal energy dissipation part.

The link of reinforced concrete column 1 and reinforced concrete roof beam 3 all has a plurality of foraminiferous square steel sheet 4 that set up side by side, and foraminiferous square steel sheet 4 is parallel with 1 length direction of reinforced concrete column, and foraminiferous square steel sheet 41 on the reinforced concrete column 1 and the cooperation of foraminiferous square steel sheet 42 on the reinforced concrete roof beam 3 are pegged graft to set up shrouding 2 encapsulation nodes at both ends, it is fixed to correspond the hole site and pass through the connection of metal power consumption spare.

When small and medium earthquakes occur, the metal energy dissipation part has initial rigidity, the node does not start to rotate, and the reinforced concrete column 1 and the reinforced concrete beam 3 resist the earthquakes; when a large earthquake occurs, the node starts to rotate around the rigid bolt, and the metal energy dissipation part starts to dissipate energy due to shear deformation.

Furthermore, the reinforced concrete column 1 and the square steel plate with holes on the reinforced concrete beam 3 are matched and spliced, and a center hole 43 is formed in the square steel plate with holes 4, and a plurality of connecting holes 44 are formed along the periphery of the center hole 43.

Further, the metal energy dissipation part comprises a rigid bolt 5 and a metal energy dissipation rod 6, the middle hole 43 is connected in a penetrating mode through the rigid bolt 5, and the connecting holes 44 in the periphery are connected through the metal energy dissipation rod 6.

Furthermore, the sealing plate 2 is a circular steel plate arranged at two ends of the square steel plate with holes 4 which are matched and spliced, a first middle hole which is correspondingly matched with the square steel plate with holes 4 and a plurality of first connecting holes which are formed along the periphery of the first middle hole are formed in the circular steel plate, and the first connecting holes are uniformly arranged along the periphery of the first middle hole.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An assembled seismic node, comprising: the steel reinforced concrete column, the steel reinforced concrete beam, the square steel plate with the hole, the sealing plate and the metal energy dissipation part;

2. The fabricated seismic node of claim 1, wherein the reinforced concrete column is in mating engagement with the square steel plate with holes on the reinforced concrete beam, the square steel plate with holes having a central hole and a plurality of connection holes along the periphery of the central hole.

3. An assembled seismic node according to claim 2, wherein the metal energy dissipation member comprises a rigid bolt and a metal energy dissipation bar, the central hole is connected in a penetrating manner through the rigid bolt, and the connecting holes on the periphery are connected through the metal energy dissipation bar.

4. The fabricated seismic node of claim 1, wherein the sealing plates are circular steel plates disposed at two ends of the square steel plate with holes, and each circular steel plate is provided with a first central hole correspondingly matched with the square steel plate with holes and a plurality of first connecting holes formed along the periphery of the first central hole.

5. The fabricated seismic node of claim 4, wherein the first connection holes are uniformly arranged along a periphery of the first central bore.