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中文摘要：
本文建立钢-混凝土组合扁梁整体楼盖三维实体有限元模型，对组合扁梁楼盖在水平荷载作用下的承载性能、变形特点进行了分析；采用刚度比参数和相对挠度比等方法对组合扁梁楼盖的空间作用进行了分析。研究表明，钢-混凝土组合扁梁楼盖具有较大的水平刚度，满足水平刚度无限大的假定。本文最后提出了考虑混凝土肋及其布置方向的组合扁梁楼盖刚度比的计算方法。
英文摘要：
In this paper, the membrane behavior of steel-concrete composite slim floor is investigated. FE models of composite slim floors with different arrangements of concrete ribs and without ribs are established by the software package ANSYS. The deformation features and effects of concrete ribs are analyzed. In addition, both relative deflection ratio method and stiffness ratio method are adopted to evaluate the membrane behavior of composite slim floor. The results show that the composite slim floor has a quite good membrane behavior and an estimation method is proposed to account for the contribution of concrete ribs with different arrangements.
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Numerical Simulation of Steel Pretensioned Bolted End-Plate Connections of Different Types and Detai
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