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变截面门式刚架因其节省钢材而广泛被应用,但其设计中有两个问题一直没有统一方法:(1)变截面位置的选择;(2 )截面突变处梁高的选择及截面各处强度验算。本文通过简单可行的方法进行优化选择,解决了此问题
However, there are two problems in the design of the portal frame: (1) the choice of the position of the variable cross section; (2) the choice and cross section of the beam height Department strength checking. This article through the simple and feasible method carries on the optimization choice, has solved this question