Approximate Calculation of Seismic Displacement Response for RC Frame Structure

Journal of South China University of Technology (Natural Science Edition) ›› 2007, Vol. 35 ›› Issue (3): 94-99.

• Electronics, Communication & Automation Technology • Previous Articles Next Articles

Approximate Calculation of Seismic Displacement Response for RC Frame Structure

Zhou Jing¹Cai Jian¹Fang Xiao-dan²

1. School of Architecture and Civil Engineering , South China Univ. ofTech. , Guangzhou 510640 , Guangdong , China;2. Architecture Design and Research Institute , South China Univ. of Tech. , Guangzhou 510640 , Guangdong , China

Received:2006-04-03 Online:2007-03-25 Published:2007-03-25
Contact: 周靖(1974-)，男，博士生，主要从事钢筋混凝土结构抗震设计理论的研究. E-mail:jingzhchina@163.com
About author:周靖(1974-)，男，博士生，主要从事钢筋混凝土结构抗震设计理论的研究.
Supported by:
科技部重大基础研究前期研究专项课题(2004CCA03300)

Abstract

Abstract:

The distribution mode of lateral displacement of reinforced concrete (RC) frame structure is first deduced by taking the structure as the combination of an ideal shear-type structure and an ideal flexural-type struc-ture and by adopting a general equivalent static load distribution mode. Next , the effects of shear to flexural ratio and loading distribution mode on the displacement response are discussed. Then , by predicting the first mode shape , a method to calculate the seismic elastic displacement response of the structure is proposed according to the displacement response spectrum. Moreover, the variations of displacement response and inter-storey drift ratio with the height are analyzed , and the maximal seismic inelastic displacement is also evaluated by the inelastic inter-storey displacement amplification factor. A numerical example is finally presented to verify the effectiveness of the proposed simplified method.

Key words: reinforced concrete, frame structure, displacement response, load, lateral displacement, distributionmode

Zhou Jing Cai Jian Fang Xiao-dan. Approximate Calculation of Seismic Displacement Response for RC Frame Structure[J]. Journal of South China University of Technology (Natural Science Edition), 2007, 35(3): 94-99.

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Approximate Calculation of Seismic Displacement Response for RC Frame Structure

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