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一、概述钢筋混凝土连续梁考虑内力重分布的计算方法,有下列几种: (1)“变刚度法”。方法的特点是考虑到在连梁受力的不同阶段,截面刚度变化对内力重分布的影响。其中包括苏联的“变刚度计算方法”,“柔接刚杆法”,我国曹居易提出的“变刚度法”,以及苏联的“阶梯形变截面梁法”等。用“变刚度法”进行内力分析比较麻烦,近年来已很少采用。
First, an overview of reinforced concrete continuous beam considering internal force redistribution calculation methods, there are the following: (1) “variable stiffness method.” The method is characterized by taking into account the effect of changes in section stiffness on the redistribution of internal forces at different stages of the coupling force. Including the Soviet Union’s “variable stiffness calculation method”, “Flexible rigid rod method”, China’s Cao Juyi proposed “variable stiffness method”, and the Soviet Union’s “step deformation beam method” and so on. The analysis of internal forces using the “variable stiffness method” is cumbersome and has rarely been adopted in recent years.