Experimental study on the seismic behaviors of composite steel plate shear walls with assembled multi-concrete slab

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (18) : 193-200.

HAN Qihao, WANG Dayang, ZHANG Yongshan

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Abstract

A traditional composite steel plate shear wall is assembled with single concrete slab, which has larger dimensions and is difficult for lifting and transporting.The single concrete slab was replaced by multi-precast concrete slab in this paper, and the composite steel plate shear wall with assembled multi-concrete slab was proposed.Three 1/3 scaled composite steel plate shear wall specimens were made: The composite steel plate shear wall with vertical assembling mode(V-CSPSW), composite steel plate shear wall with horizontal assembling mode(H-CSPSW) and traditional composite steel plate shear wall(CSPSW).The cyclic loading tests on specimens were performed.The failure characteristic, hysteretic behavior, ductility, energy dissipation capability and stiffness degradation were investigated.The test results show that the CSPSW with assembled multi-concrete slab has lower lateral stiffness and energy dissipation capacity, but it can reduce the harmful effects of the additional moment on frame columns that the steel plate generates.The V-CSPSW presents bending-shear failure mode, which is ductile failure.The tearing failure appears in the horizontal gaps that between the precast concrete slabs of the H-CSPSW, it presents obvious shearing failure mode.Comparing the horizontal and vertical assembling modes, the ductility coefficient of V-CSPSW is smaller, but other seismic performance indexes such as the energy dissipation capacity, bearing capacity and stiffness are more superior.

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composite steel plate shear wall / multi-concrete slab / assembling mode / quasi-static test / failure characteristic / seismic behavior

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HAN Qihao, WANG Dayang, ZHANG Yongshan. Experimental study on the seismic behaviors of composite steel plate shear walls with assembled multi-concrete slab[J]. Journal of Vibration and Shock, 2018, 37(18): 193-200

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