| 受竖直向上荷载作用的门式刚架塑性分析 |
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| 引用本文： | 李全云.受竖直向上荷载作用的门式刚架塑性分析[J].建筑结构,2006,36(1). |
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| 作者姓名： | 李全云 |
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| 作者单位： | 河北建筑工程学院,张家口,075024 |
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| 摘 要： | 门式刚架多用轻型屋面,在沿海等强风地区屋面风吸力可成为向上的荷载,一般刚架塑性弯矩计算公式或图表求解刚架内力已不能适用,如何考虑特定风荷载作用下结构的受力与变形是刚架设计施工中必须解决的实际问题。根据结构塑性分析的机动法原理,提出在向上荷载作用下无加腋单跨刚架塑性弯矩的算法。
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| 关 键 词： | 向上荷载 门式刚架计算 塑性弯矩 |
Plastic Calculating Method for Gabled Frame with Up-lift Load |
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| Li Quanyun.Plastic Calculating Method for Gabled Frame with Up-lift Load[J].Building Structure,2006,36(1). |
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| Authors: | Li Quanyun |
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| Abstract: | The lightweight roof material is usually used in the gabled frame.The up-lift wind loads are the main vertical loads in the area around the sea.Under these conditions,the common calculating formula and calculating-table can't suit with the plastic moment in the gabled frame.How to consider the stress and deformation of gabled frame for the wind load becomes a problem that must be solved.A calculating method for the plastic moment of the gabled frame is given under up-lift load. |
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| Keywords: | steel structure up-lift load gabled frame calculation plastic moment |
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