本文在考察门式刚架轻型房屋钢结构特点的基础上，分析了其在地震作用下的反应。
Based on the characteristics of portal frame light steel structure, the responses of this building under earthquake are analyzed.
南昌市玉带河顺外路桥为一净跨22米的门式刚架桥，采用扩大基础。
The Shunwai Road Bridge of Yudai River in Nanchang is a portal rigid-jointed frame bridge with 22-meter net-span, adopting ampliate base.
在经典的刚架弹性稳定理论基础上推导了考虑节点刚度的四弯矩方程和构件群稳定方程，并将其应用于桁架结构。
Based on classic elastic stability theory of framework, the four-moment equation and the stability equations of member group considering joint rigidity are derived and extended to study trusses.
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