路段的地震破坏评估方法研究
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摘要
路段作为交通系统的主要部分,它的破坏将会严重影响交通流量,甚至会使整个交通中断。本文讨论了路段的震害现象、原因和影响因素等,简单介绍了公路的地震破坏评估方法。根据唐山和海城地震中铁路震害的统计资料,采用最小二乘法建立了铁路在各烈度下的震害评估模型,并分析了其评估结果的合理性。
Main line roads are the major part of the transportation system,and their damage will affect the traffic seriously,and more badly the transportation system loses its function totally.Firstly,the earthquake damage of roads is introduced briefly,and the damage characteristics,reasons,and influence factors are discussed.The evaluation method of highway damage is also introduced.Then,a model of evaluation method for railway seismic damage is built using the factors and the least square method based on the damage experience in the Tangshan earthguake and the Haicheng earthquake,and the rationality of evaluated results is analyzed
Main line roads are the major part of the transportation system,and their damage will affect the traffic seriously,and more badly the transportation system loses its function totally.Firstly,the earthquake damage of roads is introduced briefly,and the damage characteristics,reasons,and influence factors are discussed.The evaluation method of highway damage is also introduced.Then,a model of evaluation method for railway seismic damage is built using the factors and the least square method based on the damage experience in the Tangshan earthguake and the Haicheng earthquake,and the rationality of evaluated results is analyzed
引文
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[10]赵成刚,冯启民.生命线地震工程[M].北京:地震出版社,1994.
[2]刘恢先,主编,唐山大地震震害(三)[M].北京:地震出版社,1986.
[3]郭恩栋,王东升,陆鸣,等.青新交界8.1级地震生命线工程震害[J].地震工程与工程振动,2002,22(3):77-81.
[4]Hoshiya M,Ogasawara Y.Earthquake risk analysis of transporation network and their optimum urgent planning[C]∥Proceeding of the SecondSouth Pacific Regional Conference on Earthquake,1977.
[5]林皋.地下结构抗震分析综述(上)[J].世界地震工程,1990,15(2):1-10.
[6]陈一平,陈欣.公路路基路面的震害预测[J].工程抗震,1993,9(3):40-45.
[7]邱骋,王纯祥.基于边坡单元的公路沿线滑坡危险度概率分析[J].岩土力学,2005,26(11):1731-1736.
[8]郭恩栋.生命线工程地震破坏等级划分(草案)[R].哈尔滨:中国地震局工程力学研究所,2007.
[9]周神根.铁路桥梁震害简易预测法[C]∥抗震防灾对策,开封:河南科学技术出版社,1988:276-283.
[10]赵成刚,冯启民.生命线地震工程[M].北京:地震出版社,1994.
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