轻钢门式刚架结构设计与整体分析

轻钢门式刚架结构应用具有经济效益高、施工速度快、结构自重轻、用钢量少、柔性强、刚架跨度大等优势。结构在设计成型后，几何非线性特征显著，且存在较大挠度变形。为实现最少用钢量，优化设计了门式刚架。

Light Steel Portal Frame Structure Design and Entirety Analysis

Light steel portal frame structure has advantages of high economic efficiency, fast construction speed, light weight structure, less steel consumption, strong flexible, big rigid fra-me span, and so on, structure after molding the design, geom-etric nonlinear characteristics became significant, and there are large deflection deformation. In order to achieve the minimum amount of steel, optimize the design of portal frame.