EFFECTS ON SEISMIC STRENGTHENING OF COUPLING BEAMS WITH OR WITHOUT BOLT CONNECTIONS IN BEAM SPAN

Zhu Yong; Su Qiliang; Zhou Yun

doi:10.13204/j.gyjz200912012

Volume 39 Issue 12

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2009 > 39(12): 42-44,38

Zhu Yong, Su Qiliang, Zhou Yun. EFFECTS ON SEISMIC STRENGTHENING OF COUPLING BEAMS WITH OR WITHOUT BOLT CONNECTIONS IN BEAM SPAN[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 42-44,38. doi: 10.13204/j.gyjz200912012

Citation:

Zhu Yong, Su Qiliang, Zhou Yun. EFFECTS ON SEISMIC STRENGTHENING OF COUPLING BEAMS WITH OR WITHOUT BOLT CONNECTIONS IN BEAM SPAN[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 42-44,38. doi: 10.13204/j.gyjz200912012

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EFFECTS ON SEISMIC STRENGTHENING OF COUPLING BEAMS WITH OR WITHOUT BOLT CONNECTIONS IN BEAM SPAN

doi: 10.13204/j.gyjz200912012

1.
1. School of Civil Engineering,University of Guangzhou,Guangzhou 510006,China;
2.
2. Department of Civil Engineering,University of Hong Kong,Hong Kong,China;
3.
3. Research Department of Science and Technology,University of Guangzhou,Guangzhou 510006,China

Received Date: 2009-01-20
Publish Date: 2009-12-20

Abstract

Abstract

Reinforced concrete coupling beam is an important member of a major lateral load-resisting structure-coupled shear wall or core wall.Under seismic actions,local failure of coupling beams may lead to a more serious global failure of the whole lateral load resisting system of the building.Along with the development of economy and society,it is necessary and important to strengthen coupling beams that are substandard under seismic actions due to the lack of safety margin and new service in old RC buildings.This paper presents an experimental study into the effects on seismic strengthening of coupling beams with or without bolt connections in beam span.The study shows that the strengthened coupling beam without bolt connections in beam span subjected to cyclic loads has better energy dissipation,larger strength,less stiffness degradation.
- coupling bean,
- seismic strengthening,
- beam span,
- steel plate,
- bolt connections

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References(4)

References

[2] 陈凡,王全凤.剪力墙结构连梁设计的若干问题[J].福建建筑,2005,91(1):47-49.

杜赞华,宋骥.连梁对RC双肢剪力墙抗震性能影响初探[J].石家庄铁道学院学报,2000,13(1):49-51.

[3] Stafford Smith B,Coull A.Tall Building Structures:Analysis andDesign[M].1991:153-178.

[4] Kwan AK H,Zhao Z Z.Testing of Coupling Beams with Equal endRotation Maintained and Local Joint Deformation Allowed[J].Proceedings of the Institution of Civil Engineers-Structures andBuildings,2002,152(1):67-78.

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