【摘要】 从理论与应用两方面,分析了混凝土徐变对钢筋混凝土轴心受压柱最大配筋率的影响;在反复荷载作用条件下,导出了防止混凝土卸载开裂的混凝土轴心受压柱最大配筋率的计算公式;分析了影响钢筋混凝土轴心受压柱最大配筋率的几种因素,并用实例演示了考虑混凝土徐变后,该公式在结构设计中的应用。成果可以为港口、仓储与码头等建筑物的结构设计提供参考。更多还原

【Abstract】 From the theory and the application,this paper analyses the effect of the concrete creep on the maximum reinforcement ratio of the axial compressed pillar;In the case of the repeated loading,this paper deduces the formula of the maximum reinforcement ratio which can prevent the cracking of the axial compressive pillar from cracking when it is unloaded;This paper also analyses some factors that affect the maximum reinforcement ratio of the axial compressive pillar,and with the practical example this paper demonstrates the application of this formulation in the structural design considering the concrete creep.And this paper can provide references for the design of the structures such as the port,the storehouse and the wharf.更多还原