According to actual condition,based on many years＇ design experience,in light of several critical issues in the structural design of light-weight steel portal frame including load value,setting of bracing and rigid-tied arches,setting of knee-bracing,wind-resistant column,foundation and column foot,and antisepsis and fire prevention and so on,the essay proposes suggestions,with a view to provide certain reference for similar engineering design.%根据实际情况,总结多年设计经验,针对轻钢门式刚架结构设计中荷载取值、支撑和刚性系杆的布置、隅撑的设置、抗风柱、基础与柱脚、防腐与防火几个关键问题提出了建议,以期对此类工程设计提供一定的参考。
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