Experimental Study on Seismic Performance of Inclined Column-shaped Transfer Floor Structure of Frame-supported Short-leg Shearwall Based with Varied Ratio of Thickness

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Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (12) : 155-158,.

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Experimental Study on Seismic Performance of Inclined Column-shaped Transfer Floor Structure of Frame-supported Short-leg Shearwall Based with Varied Ratio of Thickness

QI Yong1; ZHU Ci-mian1; ZHONG Shu-sheng2

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Abstract

Three inclined column-shaped transfer floor structures of frame-supported short-leg shearwall are tested under vertical loading and horizontal cyclic loading to analyze the influence of leg-thickness ratio on the seismic performance of inclined column-shaped transfer floors. The failure process and patters, bearing capacity, hysteretic characteristics, stiffness degradation, deformation and ductility are analyzed in detail. The test results show that the force characteristic of inclined column-shaped transfer floor structure is similar to a simple truss, and leg-thickness ratio of the top short-leg shearwall has important implications to the transfer beam performance; if the design is reasonable, the inclined column-shaped transfer floor structure has a good ductility, multi-channel seismic line of defense and better seismic performance.

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frame-supported short-leg shearwall / seismic performance / pseudo static experiment / inclined column / transfer floor structure

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QI Yong;ZHU Ci-mian;ZHONG Shu-sheng . Experimental Study on Seismic Performance of Inclined Column-shaped Transfer Floor Structure of Frame-supported Short-leg Shearwall Based with Varied Ratio of Thickness [J]. Journal of Vibration and Shock, 2012, 31(12): 155-158,