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Novel buckling-restrained brace-RC frame replaceable connecting joint

A technology of anti-buckling support and connecting nodes, which is applied in the direction of earthquake resistance, building types, buildings, etc., can solve the problems of difficult repair and repair costs, forced demolition of the structure, etc., to achieve controllable failure modes, solve complex stress, and enhance earthquake resistance Effect

Pending Publication Date: 2019-11-19
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The damage and collapse of building structures caused by the earthquake not only brought huge casualties, but also caused incalculable property losses; although a large number of buildings did not collapse after the earthquake, the irreversible residual deformation caused by severe damage made the structure difficult to repair or Forced to demolish due to excessive repair costs and time

Method used

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  • Novel buckling-restrained brace-RC frame replaceable connecting joint
  • Novel buckling-restrained brace-RC frame replaceable connecting joint
  • Novel buckling-restrained brace-RC frame replaceable connecting joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] This embodiment discloses a new type of anti-buckling brace-RC frame replaceable connection node, which includes a reinforced concrete column 1 , a reinforced concrete beam 2 , a gusset plate 3 and a buckling-resistant brace 4 .

[0032] see figure 1 , the reinforced concrete column 1 is a vertical load-bearing member with a square section.

[0033] see figure 1 , 2 , 4 or 5, the section of the reinforced concrete beam 2 is square. The reinforced concrete column 1 is rigidly connected to the reinforced concrete beam 2 .

[0034] The reinforced concrete beam 2 includes a rigid section 201 , a yield section 202 , a transition section 203 and a normal section 204 .

[0035] see figure 1 , one end of the rigid section 201 is connected to the side wall of the reinforced concrete column 1 , and the other end is connected to the yield section 202 . One end of the transition section 203 is connected to the yield section 202 and the other end is connected to the normal sec...

Embodiment 2

[0051] This embodiment discloses a new type of anti-buckling brace-RC frame replaceable connection node, which includes a reinforced concrete column 1 , a reinforced concrete beam 2 , a gusset plate 3 and a buckling-resistant brace 4 .

[0052] see figure 1 , the reinforced concrete column 1 is a vertical load-bearing member with a square section.

[0053] see figure 1 , 2 , 4 or 5, the section of the reinforced concrete beam 2 is square.

[0054] The reinforced concrete beam 2 includes a rigid section 201 , a yield section 202 , a transition section 203 and a normal section 204 .

[0055] see figure 1 , one end of the rigid section 201 is connected to the side wall of the reinforced concrete column 1 , and the other end is connected to the yield section 202 . One end of the transition section 203 is connected to the yield section 202 and the other end is connected to the normal section 204 .

[0056] The yield section 202 includes a steel beam 2021 and two transition st...

Embodiment 3

[0064] The main structure of this embodiment is the same as that of Embodiment 2, and further, the reinforced concrete column 1 and the reinforced concrete beam 2 are rigidly connected.

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Abstract

The invention discloses a novel buckling-restrained brace-RC frame replaceable connecting joint. The connecting joint comprises a reinforced concrete column, a reinforced concrete beam, a gusset plateand a buckling-restrained brace. The gusset plate connected with the buckling-restrained brace is installed at the end of the reinforced concrete beam, and it is ensured that the gusset plate is notin contact with the reinforced concrete column. The reinforced concrete beam is provided with a yield section with relatively strong deformability. During an earthquake, the buckling-restrained bracetransmits tensile force or pressure to the reinforced concrete beam, and the yield section dissipates earthquake energy through plastic deformation, so that the elastic working state of the reinforcedconcrete beam is ensured. The novel buckling-restrained brace-RC frame replaceable connecting joint is clear in force transferring route and controllable in failure mode, solves the problems that anexisting BRB-RC framework joint is complex in stress, uncertain in failure mode and the like, and further enlarges the application range of a BRB-RC framework structure.

Description

technical field [0001] The invention relates to a building component, in particular to a novel anti-buckling support-reinforced concrete frame replaceable connection node. Background technique [0002] Earthquake is one of the most serious natural disasters faced by human beings, which is extremely random and spreads over a wide range. In recent years, the frequency and intensity of earthquake disasters have been increasing. For example, in 2018, there were 118 earthquakes of magnitude 6.0 or above in the world, and 31 earthquakes of magnitude 5.0 or above occurred in my country. The damage and collapse of building structures caused by the earthquake not only brought huge casualties, but also caused incalculable property losses; although a large number of buildings did not collapse after the earthquake, the irreversible residual deformation caused by severe damage made the structure difficult to repair or It was forced to be demolished due to excessive repair costs and time...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98E04B1/21E04H9/02
CPCE04B1/98E04B1/21E04B1/215E04H9/021E04H9/025
Inventor 白久林李超陈辉明刘明辉金双双
Owner CHONGQING UNIV
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