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85问答库 > 钢结构中门式钢架，桁架，框架，支架，排架有什么区别？

钢结构中门式钢架，桁架，框架，支架，排架有什么区别？

2025-04-04 03:24:33

推荐回答（1个）

回答1：

主要区别在于节点约束条件不同，因而受力工况也就不同。门式钢架指除脚部与基础铰接外，其余节点为刚接（也有在顶端节点铰接，称三铰拱）；桁架指平面内各节点大多为铰接，主要用于屋盖系统大梁；框架则是整个空间结构的节点全部刚接；排架指刚性横梁与柱头铰接。

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