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本文通过理论推导,修正了弯矩分配法中的分配系数和传递系数,同时引进了同层柱(有相同侧移杆件)间的侧移弯矩传播系数,从而得出了一种可用于分析有侧移多层多跨框架的弯矩分配法。这种方法可称为有侧移弯矩分配法,或称为广义无剪力分配法。 广义无剪力分配法,可以用于手算;也可以与传播矩阵法相结合,用于电算。广义无剪力分配的传播矩阵法与矩阵位移法相比,它的优点是矩阵降阶,使电算的内存及运算量减少。
In this paper, through theoretical derivation, the distribution coefficient and transmission coefficient in the moment distribution method are modified, and the lateral shift moment transfer coefficient between the same column (with the same side shift bar) is introduced. The analysis of the moment distribution method for multi-span multi-span frames is presented. This method can be called lateral shift moment distribution or generalized shearless distribution. The generalized shearless distribution method can be used for hand calculations; it can also be combined with the propagation matrix method for computer calculations. Compared with the matrix displacement method, the generalized no-shear force propagating matrix method has the advantage of reducing the matrix and reducing the memory and computation of the computer.