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通过两块足尺寸压型钢板-混凝土组合楼板试件的静力加载试验,分析组合楼板的破坏过程、破坏形态和滑移发展规律。利用ABAQUS有限元软件进行模拟分析,并与试验结果对比,验证有限元模拟方法的可行性。建立大跨度组合楼板的有限元模型,基于m-k法对模拟数据进行线性回归,得到适用于大跨度组合楼板的纵向剪切粘结力计算公式,为工程设计提供依据。
Through the static loading test of two full-size profiled steel-concrete composite floor specimens, the failure process, failure morphology and slip development of the composite floor were analyzed. The ABAQUS finite element software was used to simulate and verify the feasibility of the FEM simulation method with the experimental results. The finite element model of the long-span composite floor is established, and the linear regression of the simulation data based on the m-k method is performed to obtain the formula for calculating the longitudinal shear bond strength suitable for the long-span composite floor, which provides the basis for engineering design.