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A reinforced concrete beam-column joint seismic isolation structure and its construction method

A technology of reinforced concrete and beam-column joints, which is applied in building construction, earthquake resistance, building components, etc., can solve the problems of low horizontal shear bearing capacity, seismic performance needs to be improved, shear compression bending damage, etc. Vibration period, reducing casualties, high bearing capacity

Inactive Publication Date: 2018-06-15
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Under a large earthquake load, since the horizontal shear bearing capacity of the column is usually not high, joint shear-compression-bending failure often occurs, and its seismic performance needs to be improved

Method used

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  • A reinforced concrete beam-column joint seismic isolation structure and its construction method
  • A reinforced concrete beam-column joint seismic isolation structure and its construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Embodiment one: if Figure 1~2 As shown, a reinforced concrete beam-column joint seismic isolation structure includes a beam-column joint composed of an integrally poured reinforced concrete load-bearing column 1 and a supporting beam 2, and a reinforced concrete floor 3 is consolidated on the supporting beam, so that The connection between the floor 3 and the load-bearing column 1 is provided with a shock-isolating material 4 that isolates the contact between the two.

[0019] In this embodiment, a 5-10 cm wide gap is reserved between the floor slab and the load-bearing column for filling the shock-absorbing material.

[0020] In this embodiment, the shock-isolation material includes a plurality of steel plates, rubber plates are arranged between the adjacent steel plates, and the surfaces of the steel plates are rough, so that the steel plates are bonded to the concrete.

[0021] In this embodiment, the rubber plate and the steel plate have a thickness of 1-2 cm, and...

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Abstract

The invention relates to a shock insulation structure of a reinforced concrete beam column node and a construction method thereof. The shock insulation structure comprises a beam column node formed by an integrally poured reinforced concrete bearing column and a supporting beam. The supporting beam is fixedly connected with a reinforced concrete floor, and the joint of the floor and the bearing column is provided with a shock insulation material capable of preventing the floor and the bearing column from contacting each other. The shock insulation structure is simple in structure and good in damping effect.

Description

technical field [0001] The invention relates to a reinforced concrete beam-column node seismic isolation structure and a construction method thereof. Background technique [0002] In recent years, major earthquakes such as the Wenchuan earthquake and the Yushu earthquake have caused damage to a large number of buildings, especially at the connection between columns and floors. Under the action of large earthquake loads, due to insufficient shear bearing capacity of columns, Shear failure often occurs. In the current construction field, the connection between the floor slab and the column is in the form of slab reinforcement into the column, and then pouring concrete. This method enhances the structural strength at the intersection of the floor slab and the column, and the current building code in my country adopts the The architectural design principle of "strong column weak beam" also increases the stiffness of the column. In addition, the axial stiffness of the floor is mu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/58E04B1/98E04H9/02
CPCE04B1/58E04H9/021
Inventor 庄一舟李增锋程俊峰黄福云
Owner FUZHOU UNIV
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