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Dynamic performance of angle-steel concrete columns
under low cyclic loading-I: Experimental study

Zheng Wenzhong (郑文忠) and Ji Jing (计 静)

School of Civil Engineering, Harbin Institute of Technology,No.204 Haihe Road , Harbin 150090 , China

Abstract: This paper describes low cyclic loading testing of nine angle-steel concrete column (ASCC) specimens. In the tests, the influence of the shear-span ratio, axial compression ratio and shear steel plate ratio on the hysteretic behavior, energy dissipation, strength degradation, stiffness degradation, skeleton curve and ductility of the ASCCs is studied. Based on the test results, some conclusions are presented. The P-Δ and sectional M−φ hysteretic models for the ASCCs are presented in a companion paper (Zheng and Ji, 2008).

Keywords: cyclic loading test; ductility; hysteretic model; angle-steel concrete column; shear-span ratio; steel plate stirrup; steel jacketing; seismic retrofitting

 

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Copyright© 2009 IEM. Journal of Earthquake Engineering and Engineering Vibration. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as described below, without written permission from the Publisher. Copying of articles is not permitted except for personal and internal use, to the extent permitted by national copyright law, or under the terms of a license issued by the National Reproduction Rights Organization of China.