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工程力学  2014 

汶川、芦山、鲁甸地震极震区地面运动破坏力对比及其思考

DOI: 10.6052/j.issn.1000-4750.2014.09.0771

Keywords: 汶川地震,芦山地震,鲁甸地震,地面运动,倒塌

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Abstract:

该文收集了汶川、芦山、鲁甸地震极震区的强震地面运动记录,并简要介绍了鲁甸地震的震害情况。以6组二维钢筋混凝土框架结构和1组三维钢筋混凝土框架为例,对比了这些地面运动对不同结构的破坏作用。分析结果表明,汶川地震极震区的地面运动破坏力最强,鲁甸地震次之,而芦山地震极震区的地面运动破坏力则明显较小。基于上述对比,对我国的地震应急响应依据、宏观烈度评定、地震动强度指标及工程抗震研究提出一些讨论和建议。

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