Abstract:
基于改变传力路径(AP)法,采用LS-DYNA有限元软件,对跨度为48m×48m及72m×72m的具有不同撑杆数的双向张弦梁结构进行连续倒塌过程模拟分析与抗倒塌设计研究。模拟结果表明:撑杆的失效可能会导致双向张弦梁结构连续倒塌;边索与角柱的失效易引发结构连续倒塌。增加撑杆数目及加大撑杆的截面尺寸,可提高双向张弦梁结构的抗连续倒塌性能,一定程度地避免结构发生连续倒塌。
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Year: 2010
Language: Chinese
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 8
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