罕遇地震下RC低矮框架失效相关性拟动力试验分析
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摘要
为研究罕遇地震下低矮结构的失效相关性问题,设计了两榀钢筋混凝土对称与非对称三跨二层框架结构模型,通过拟动力试验,对低矮框架结构在罕遇地震作用下柱截面各约束的失效特点和相关规律进行了统计与分析,以期为低矮结构在罕遇地震作用下的失效相关性理论提供试验支持,文中指出钢筋材性的相对均匀性是造成罕遇地震下大量截面约束同时失效的主要原因。
Be aimed at the failure correlation problems of the low frame structure reliability calculation,one symmetric and other asymmetric three-span-two-story frame models have been designed.And based on the pseudo-dynamic testing method,the failure characteristics and rules of the cross-sectional constraints of the frame models under rare strong earthquakes are analyzed.It is expected to provide the experiment supports for the structural dependent failure theory.Furthermore,the relative uniformity of the tensile strength of the steel is the major cause for constraint simultaneity failure under the rare strong earthquakes.
Be aimed at the failure correlation problems of the low frame structure reliability calculation,one symmetric and other asymmetric three-span-two-story frame models have been designed.And based on the pseudo-dynamic testing method,the failure characteristics and rules of the cross-sectional constraints of the frame models under rare strong earthquakes are analyzed.It is expected to provide the experiment supports for the structural dependent failure theory.Furthermore,the relative uniformity of the tensile strength of the steel is the major cause for constraint simultaneity failure under the rare strong earthquakes.
引文
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[9]黄兴棣.工程结构可靠性设计[M].北京:人民交通出版社,1989.Huang Xingdi.Reliability Design of Engineering Structures[M].Bejing:China Communications Press,1989.
[2]王东炜.关于建筑结构若干失效相关问题的探讨分析[J].世界地震工程,2001,17(1):112-114.Wang Dongwei.Analysis of some failure dependence of building structures[J].World Earthquake Engineering,2001,17(1):112-114.
[3]傅方,王东炜,李广慧.小震作用下钢筋混凝土框架结构失效相关性分析[J].地震工程与工程震动,1999,19(1):87-92.Fu Fang,Wang Dongwei,Li Guanghui.Failure correlation analysis of RC frame structure under small earthquakes[J].Jounal of Earthquake Engi-neering and Engineering Vibration,1999,19(1):87-92.
[4]李广慧,王东炜,霍达.中震下RC框架结构的失效相关性分析[J].世界地震工程,2000,16(2):24-29.Li Guanghui,Wang Dongwei,Huo Da.Failure correlation analysis of RC frame structure under medium earthquake[J].World Earthquake Engi-neering,2000,16(2):24-29.
[5]朱俊锋,王东炜,霍达.在大震下RC框架结构基于Pushover方法的失效相关性分析[J].地震工程与工程振动,2005,25(4):85-90.Zhu Junfeng,Wang Dongwei,Huo Da.An analysis of failure dependencies of RC frame structures based on pushover method under strong earth-quakes[J].Journal of Earthquake Engineering and Engineering Vibration,2005,25(4):85-90.
[6]王东炜,朱小青,张长虹.钢筋混凝土框架结构在小震作用下失效相关性的拟动力模型试验研究[J].世界地震工程,2006,22(2):19-23.Wang Dongwei,Zhu Xiaoqing,Zhang Changhong.The pseudo-dynamic testing on failure correlation of models of reinforced concrete frame struc-tures under small earthquakes[J].World Earthquake Engineering,2006,22(2):19-23.
[7]朱小青.基于拟动力模型试验的RC框架结构失效相关性研究[D].郑州:郑州大学,2006.Zhu Xiaoqing.Failure dependence analysis of RC frame strucutres based on the pseudo-dynamic testing[D].Zhengzhou:Zhengzhou University,2006.
[8]沈聚敏,周锡元,高小旺.抗震工程学[M].北京:中国建筑工业出版社,2000.Shen Jumin,Zhou Xiyuan,Gao Xiaowang.Aseismic Engineering[M].Beijing:China Building Industry Press,2000.
[9]黄兴棣.工程结构可靠性设计[M].北京:人民交通出版社,1989.Huang Xingdi.Reliability Design of Engineering Structures[M].Bejing:China Communications Press,1989.
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