| 单层球面网壳在地震下的响应特性与失效机理 |
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| 引用本文： | 支旭东,范峰,沈世钊.单层球面网壳在地震下的响应特性与失效机理[J].世界地震工程,2007,23(4):88-94. |
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| 作者姓名： | 支旭东 范峰 沈世钊 |
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| 作者单位： | 哈尔滨工业大学,土木工程学院,黑龙江,哈尔滨,150090 |
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| 基金项目： | 国家自然科学基金;国家自然科学基金 |
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| 摘 要： | 针对单层球面网壳在地震作用下的响应进行了大量算例分析，探讨了结构失效特点，从宏观和微观综合多项指标给出结构强震失效的判别方法。在频域响应分析的基础上阐述了网壳结构动力作用的特点，总结了单层球面网壳的地震下的破坏特征及失效机理。
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| 关 键 词： | 单层球面网壳结构 地震作用 动力强度破坏 延性 频谱 |
| 文章编号： | 1007-6069（2007）04-0088-07 |
| 收稿时间： | 2007-03-23 |
| 修稿时间： | 2007-06-21 |
Responses and failure mechanism of the single-layer reticular domes subjected to earthquake motion |
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| ZHI Xu-dong,FAN Feng,SHEN Shi-zhao.Responses and failure mechanism of the single-layer reticular domes subjected to earthquake motion[J].World Information On Earthquake Engineering,2007,23(4):88-94. |
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| Authors: | ZHI Xu-dong FAN Feng SHEN Shi-zhao |
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| Abstract: | According to a large number of examples to research responses of single-layer reticular domes under earthquake, the failure characteristics of the structure are discussed, and a failure criterion of the dome structures is presented based on multiple index in both macroscopy and microscopy. Furthermore, the dynamic behavior of the domes are illustrated in frequency domains, and the failure characteristics and mechanism of the single layer reticular domes under earthquake are summarized. |
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| Keywords: | single-layer reticular domes earthquake dynamic strength failure ductility spectrum |
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