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本文从有结点线位移门形刚架(简称为侧移刚架)应满足的平衡条件出发,提出用力矩分配法计算侧移刚架的新作法.主要特点是不必列位移法方程求结点位移,只要重复两次过程相同的力矩分配与传递计算.然后把两次计算的结果相加,即可求出各杆的杆端截面弯矩.与位移法-力短分配法联合求解比较.计算简便,容易掌握.
In this paper, starting from the equilibrium conditions that the point-line displacement portal frame (abbreviated as the side-shift rigid frame) should meet, a new method of calculating the side-shift rigid frame using the torque distribution method is proposed. The main feature is that it is not necessary to find the displacement of the displacement by the column displacement method, as long as the same torque distribution and transmission calculations are repeated twice. Then add the results of the two calculations to determine the rod end section bending moment of each rod. Comparing with displacement method-force short distribution method. The calculation is simple and easy to grasp.