| 混凝土框架结构弹塑性分析的新方法 |
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| 引用本文： | 许春兰,莫远昌. 混凝土框架结构弹塑性分析的新方法[J]. 山西建筑, 2009, 35(33): 68-69 |
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| 作者姓名： | 许春兰 莫远昌 |
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| 作者单位： | 广西华蓝设计(集团)有限公司,广西南宁,530011 |
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| 摘 要： | 提出了混凝土框架结构弹塑性分析的变刚度法,推导了由于塑性铰出现而缩减了的单元刚度,算例证明,变刚度法的原理简单、操作简便,可以高效地判断出框架结构塑性铰出现的位置及先后顺序,有利于结构设计者判断结构的薄弱位置,对结构进行优化。
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| 关 键 词： | 变刚度法 塑性铰 极限荷载 |
New method of elastic-plasticity analysis about ferroconcrete frame structure |
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| XU Chun-lan,MO Yuan-chang. New method of elastic-plasticity analysis about ferroconcrete frame structure[J]. Shanxi Architecture, 2009, 35(33): 68-69 |
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| Authors: | XU Chun-lan MO Yuan-chang |
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| Affiliation: | XU Chun-lan MO Yuan-chang |
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| Abstract: | Variable stiffness method was applied to elastic-plasticity analysis of ferroconcrete frame structure.And modified stiffness matrix is deduced because of formation of plastic hinges.Example shows that theory and operation of variable stiffness method is simple.The designer can determinate the places and orders of the plastic hinges and the weak parts in frame structure which are helpful to optimize the frame structure. |
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| Keywords: | variable stiffness method plastic hinge limit load |
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