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Prefabricated anti-seismic beam and beam node

A technology of anti-seismic beams and joints, applied in the direction of anti-seismic, joists, girders, etc., can solve the problems of reduced anti-seismic performance, poor connection and overall stability, and achieve the effect of increasing strength, improving overall resistance, and improving crack resistance

Active Publication Date: 2019-04-26
宁波云创建筑工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with cast-in-place concrete beams, the existing prefabricated beams can save the construction period without affecting the process, but because they are prefabricated components, the interior is not poured at the same time as the columns during installation, so that they are not integrated with columns or other structural parts. The connection and overall stability of the joints are poor, and the seismic performance is reduced, and the beam-column joints are the main damaged areas of the building when an earthquake occurs

Method used

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  • Prefabricated anti-seismic beam and beam node
  • Prefabricated anti-seismic beam and beam node
  • Prefabricated anti-seismic beam and beam node

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Such as figure 1 , figure 2 , image 3 As shown, a prefabricated anti-seismic beam and beam joints provided by the present invention have protruding outer wings 1, middle wings 2, and inner wings 3 on the lower sides of both ends of the beam; the middle wings 2 are inserted into the connecting columns, The outer wing 1 and the inner wing 3 are attached to the two sides of the connecting column respectively; the outer wing 1, the middle wing 2, and the inner wing 3 are provided with a compression spring 4 perpendicular to the connecting column, and the compression spring 4 is connected with a Buffer board 5, said buffer board 5 is fixedly connected with beam main reinforcement 9 through stirrups 8; said outer wing 1, middle wing 2, and inner wing 3 are filled with graphene foam 6.

[0033] During an earthquake, the damage to buildings caused by seismic waves is mainly reflected in the shear waves, so the beam-column joints are the main damage points, especially on pre...

Embodiment 2

[0043] Such as Figure 4 As shown, the present embodiment makes the following changes on the basis of embodiment 1, the outer surface of the outer wing 1 is set as an arc surface or a conical surface (arc surface in the figure). From the structural change of the present invention, it can be known that the outer wing 1 will protrude to a certain thickness of the outer wall according to the conventional arrangement. The resulting accumulation of dust at the end of the beam, especially the long-term accumulation of rain and snow in rainy and snowy weather, will have a certain erosive effect on the interior. In addition, strong winds are often accompanied by earthquakes, and the design of the curved surface can effectively reduce the lateral force of strong winds on beam-column joints, thereby reducing the damage caused by earthquakes.

Embodiment 3

[0045] Such as Figure 5 As shown, in this embodiment, on the basis of Embodiment 1, damping wings (outer wing 1, middle wing 2, and inner wing 3) are arranged on the upper and lower sides of the two ends of the beam, and the beam and the upper and lower connecting columns on this basis The integrity is better, and the anti-seismic effect is better.

[0046] Such as Figure 6 Shown is the further optimization of this embodiment, wherein the arc surface of the upper and lower outer wings 1 and the outer end surface of the beam are designed as a large arc surface as a whole, which improves the integrity of the beam and simplifies the overall structure, reduces the prefabrication process, and has a significant The advantages.

[0047] To sum up, the prefabricated beam provided by the present invention can achieve significant seismic effect only by changing the structural design of both ends of the beam and the nodes. Mass production, in line with the principle of anti-seismic ...

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Abstract

The invention discloses a prefabricated anti-seismic beam and a beam node, and belongs to the technical field of prefabricated buildings. At least one side of two ends of the beam is provided with a protruding outer wing, middle wing and inner wing; the middle wing is inserted into a connection column, and the outer wing and the inner wing abut against two sides of the connection column respectively; compression springs which are perpendicular to the connection column are arranged in the outer wing, the middle wing and the inner wing, buffer boards are connected with two sides of each compression spring, and the buffer boards are fixedly connected with beam main reinforcement through stirrups; the outer wing, the middle wing and the inner wing are filled with graphene foam. Compared with the prior art, the prefabricated anti-seismic beam and the beam node have the advantage that through simple beam end node structure and interior structure modification, the absorption and buffer capability of the beam node of transverse waves caused by earthquakes is greatly improved, so that the anti-seismic property of a building is improved.

Description

technical field [0001] The invention relates to the technical field of prefabricated buildings, in particular to a prefabricated beam and a beam node with good seismic performance. Background technique [0002] With the development of modern industrial technology, building houses can be manufactured in batches and in sets like machine production. Just transport the prefabricated building components to the construction site and assemble them. A large number of building parts are produced and processed by the workshop. The types of components mainly include: exterior wall panels, interior wall panels, laminated panels, balconies, air-conditioning panels, stairs, prefabricated beams, prefabricated columns, etc. Compared with the original cast-in-place operation, the prefabricated building greatly reduces the wet work on the construction site, and the high production efficiency of prefabricated components meets the construction requirements of green buildings, so it has become ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/02E04B1/98E04H9/02
CPCE04C3/02E04H9/02
Inventor 陈章元刘松林
Owner 宁波云创建筑工程技术有限公司
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