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目前有关单层厂房排架的分析方法大都只研究如何简化剪力分配問题,其实,在实际设计中所需的成果则为各柱承受的弯矩,所以尽管剪力分配方面获得一定簡化,計算各柱的弯矩仍旧是一件繁琐的工作。 本文从位移角概念出发,引用剛构常数原理,导出在荷載作用下排架的柱子所承受弯矩之直接传播法,从而免去了剪力分配的計算,使分析工作进一步簡化。 本法适用于具有剛性或柔性横梁的鉸接排架或横染刚度为无穷大的刚接排架之分析。
At present, most of the analysis methods for single-storey building bays only study how to simplify the shear distribution problem. In fact, the required results in practical design are the bending moments that each column bears, so even though the shear distribution is simplified, the calculation The bending moments of the columns are still a tedious job. In this paper, starting from the concept of displacement angle, the principle of rigid structure constants is used to derive the direct propagation method of the bending moments of the columns under the action of the load, which eliminates the calculation of shear distribution and further simplifies the analysis. This method is applicable to the analysis of hinged bundles with rigid or flexible beams or rigid bars with infinite horizontal dyeing stiffness.