Experimental Research and Damage Model of Square ConcreteFilled Steel Tube Subjected to.pdfVIP

Experimental Research and Damage Model of Square ConcreteFilled Steel Tube Subjected to.pdf

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Experimental Research and Damage Model of Square ConcreteFilled Steel Tube Subjected to

ICCTP 2009: Critical Issues in Transportation Systems Planning, Development, and Management ©2009 ASCE 2506 Experimental Research and Damage Model of Square Concrete-Filled Steel Tube Subjected To Cyclic Loading 1,2 1 2 3 DU Xi-kai , WANG Tie-cheng , HE Hongming ,YI Kai 1School of Civil Engineering, Tianjin University, Tianjin 300072, China; PH(0312)7521862;email:duxk126@126.com d. 2 e Department of Civil Engineering, Hebei Agriculture University, Baoding, Hebei, v r e s e 071001,China: PH(0312)7521862;email:duxk126@126.com r s t 3 h College of Math and Computer Science Hebei University ,Baoding, Hebei, g i r l l 071000,China: China: PH(0312)7521862;email:yikai@ a ; y l ABSTRACT n o e s Nine square concrete-filled steel tube (CFT) columns with different axial u l a n load level (0.165~0.517), slenderness ratio (10.82~32.88), and constraining factor o s r e p (0.61 ~1.51) were tested under a constant axial load and cyclically varying lateral r o F . loads. The experimental results showed that the hysteresis curves of the test columns E C S are plump in shape without significant pinch phenomenon, which m

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