基于场地和峰值加速度的强震记录选择方法与应用
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摘要
面对数千条的强震记录如何快速、合理的选出3~5条记录用于结构抗震分析,已越来越成为困扰设计人员的新问题。依场地类别和峰值加速度进行选波的方法被提出,该法可以大大减少反应谱的拟合工作量。利用IDARC-2D进行了结构在罕遇地震下的弹塑性时程分析,计算结果显示,方法有一定的工程实用价值。
As the strong ground motions increase,how to select design ground motions from thousands of ground motion records has become a serious problem to a designer.Site condition and peak ground acceleration were selected for the two criteria to select strong ground motions,which can greatly reduce the work of fitting the design response spectrum.IDARC-2D was used to conduct the elasto-plastic time history analysis.The example confirmed the accuracy of the method put forward in this paper,the method can be applied to the actual structural design.
As the strong ground motions increase,how to select design ground motions from thousands of ground motion records has become a serious problem to a designer.Site condition and peak ground acceleration were selected for the two criteria to select strong ground motions,which can greatly reduce the work of fitting the design response spectrum.IDARC-2D was used to conduct the elasto-plastic time history analysis.The example confirmed the accuracy of the method put forward in this paper,the method can be applied to the actual structural design.
引文
1 GB 50011-2001建筑抗震设计规范
2王亚勇,刘小弟.建筑结构时程分析法输入地震波的研究.建筑结构学报,1991,12(2):51-60
3王亚勇,程民宪,刘小弟.结构抗震时程分析法输入地震记录的选择方法及其应用.建筑结构,1992(5):3-7
4杨薄,李英民,赖明.结构时程分析法输入地震波的选择控制指标.土木工程学报,2000,33(6):33-37
5邓军,唐家祥.时程分析法输入地震记录的选择与实例.工业建筑,2000,30(8):9-12
6 Kurama Y C,Farrow K T.Ground Motion Scaling Methods forDifferent Site Conditions and Structure Characteristics,Earth-quake Engineering and Structure Dynamics 2003,32:2 425-2450
7 Li Hyung Lee,Hyun Ho Le,Sang Whan Han.Method of Selec-ting Design Earthquake Ground Motion for Tall Buildings.TheStructural Design of Tall Building,2000,9:201-213
8龚思礼,王广军.建筑抗震设计.北京:中国建筑工业出版社,1994
9李小军,彭青.不同类别场地地震动参数的计算分析.地震工程与工程振动,2001,21(1):29-36
10 Building Seismic Safety Council(BSSC)2000 Edition NEHRPRecommended Provisions for Seismic Regulations for NewBuildings FEMA368/369.Part 1 Provisions(FEMA368)andCommentary(FEMA369)Developed for the Federal Emergen-cy Management Agency Washington,D.C 2001
2王亚勇,刘小弟.建筑结构时程分析法输入地震波的研究.建筑结构学报,1991,12(2):51-60
3王亚勇,程民宪,刘小弟.结构抗震时程分析法输入地震记录的选择方法及其应用.建筑结构,1992(5):3-7
4杨薄,李英民,赖明.结构时程分析法输入地震波的选择控制指标.土木工程学报,2000,33(6):33-37
5邓军,唐家祥.时程分析法输入地震记录的选择与实例.工业建筑,2000,30(8):9-12
6 Kurama Y C,Farrow K T.Ground Motion Scaling Methods forDifferent Site Conditions and Structure Characteristics,Earth-quake Engineering and Structure Dynamics 2003,32:2 425-2450
7 Li Hyung Lee,Hyun Ho Le,Sang Whan Han.Method of Selec-ting Design Earthquake Ground Motion for Tall Buildings.TheStructural Design of Tall Building,2000,9:201-213
8龚思礼,王广军.建筑抗震设计.北京:中国建筑工业出版社,1994
9李小军,彭青.不同类别场地地震动参数的计算分析.地震工程与工程振动,2001,21(1):29-36
10 Building Seismic Safety Council(BSSC)2000 Edition NEHRPRecommended Provisions for Seismic Regulations for NewBuildings FEMA368/369.Part 1 Provisions(FEMA368)andCommentary(FEMA369)Developed for the Federal Emergen-cy Management Agency Washington,D.C 2001
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