Zhejiang Southeast Space Frame Stock Ltd.

Hangzhou, China

Zhejiang Southeast Space Frame Stock Ltd.

Hangzhou, China

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Wang X.-T.,Xi'an University of Architecture and Technology | Luo G.-Q.,Xi'an University of Architecture and Technology | Hao J.-P.,Xi'an University of Architecture and Technology | Zhou G.-G.,Zhejiang Southeast Space Frame Stock Ltd. | And 3 more authors.
Xi'an Jianzhu Keji Daxue Xuebao/Journal of Xi'an University of Architecture and Technology | Year: 2011

An Experimental study of longitudinal shear behavior for eighteen YXB65-185-555 closed profiled steel sheet-concrete composite slabs was conducted. The influence of the slab thickness, the profiled steel sheet thickness and shear span on the longitudinal shear behavior of composite slabs was investigated. The ultimate load capacity, deformation and failure characteristics, the slippage between profiled steel sheet and concrete were obtained. The test results show that the longitudinal shear capacity is higher for the thicker composite slabs or the thicker profiled steel sheets, and longitudinal shear capacity is lower for the larger shear span. Longitudinal shear bond failure takes place for the composite slabs with smaller shear span, and bending and bending-shear bond failure occurs for the ones with larger shear span. Based on the formula suggested by Eurocode 4 and test results of longitudinal slide and load relationships, longitudinal shear bond coefficients m and k were defined with regression analysis. Test results achieved may provide a reference for the engineering application of this kind of composite slabs.


Wang X.,Xi'an University of Architecture and Technology | Wang X.,Zhejiang Southeast Space Frame Stock Co. | Hao J.,Xi'an University of Architecture and Technology | Zhou G.,Zhejiang Southeast Space Frame Stock Co. | And 2 more authors.
Jianzhu Jiegou Xuebao/Journal of Building Structures | Year: 2010

A total of 3 pseudo-static experiments were conducted for three planar experimental specimens. The influence of axial load ratio and linear stiffness ratio of steel beam to column on the frame seismic behavior was investigated. The load-displacement hysteretic loops, skeleton curves and the load and displacement values for different loading stages were obtained. The failure characteristics, ductility, energy dissipation capacity, load carrying capacity and stiffness degeneration were studied. The experimental results show that the load-displacement hysteretic loops are stable, and the deformation properties and energy dissipation capacity are adequate. Increasing the axial load ratio decreases the frame ductility and lateral load ultimate capacity, but leads to higher energy dissipation capacity. With the increase of the linear stiffness ratio of steel beam to column, the ductility and energy dissipation capacity become low, but the lateral ultimate capacity becomes high. Test results provide a reference for the engineering application of concrete filled square steel tube columns and steel beam frames.

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