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组合楼板中混凝土和钢板之间的剪切连接是一个高度非线性问题,与边界条件、材料属性及几何尺寸有关。将该连接看成是单侧接触问题,阐述了接触面的粘滞、滑动、摩擦现象。接触和非接触区域并不确定,故采用非单调材料准则描述此单侧接触问题。采用数值方法,利用变分不等式进行分析。分别通过试验及数值分析,对单侧接触问题进行研究,并将分析结果进行对比。
Shear connection between concrete and steel plate in a composite floor is a highly non-linear problem that is related to boundary conditions, material properties and geometrical dimensions. The connection as a one-sided contact problem, described the contact surface of the viscous, sliding, friction phenomenon. The contact and non-contact areas are not defined, so non-monotonic material guidelines are used to describe this one-sided contact problem. Using numerical methods, variational inequality analysis. Through the experiment and numerical analysis respectively, the unilateral contact problem is studied, and the analysis results are compared.