跨径及斜度对简支斜交梁桥地震反应影响分析
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摘要
以当前高速公路、立交枢纽工程和高架桥中出现较多的公路简支斜交梁桥为工程背景,在回顾斜交梁桥震害特征的基础上,利用多种计算方法(反应谱法、弹性时程分析法和弹塑性时程分析法等),选取跨径为分析参数,进行常遇地震、罕遇地震作用下不同斜度的简支斜交梁桥地震反应分析,得出简支斜交梁桥地震反应随跨径变化的变化特征,可为斜交梁桥的抗震设计提供理论参考。
With the simple-supported skew highway girder bridges in the highway and grade separation hub and viaduct background,seismic disasters of the skew bridges are reviewed and manifold count methods are used,including the response method,elasticity analytical method and elastic-plastic etc.The span as the parameter analysis is chosen and the seismic response of the different skew angle simple-supported skew girder bridges with the constant and seldom earthquake effect is analyzed.The character of simple-supported skew girder bridges with the different spans has been educed.It can offer the theoretic gist for the seismic design of skew girder bridges.
With the simple-supported skew highway girder bridges in the highway and grade separation hub and viaduct background,seismic disasters of the skew bridges are reviewed and manifold count methods are used,including the response method,elasticity analytical method and elastic-plastic etc.The span as the parameter analysis is chosen and the seismic response of the different skew angle simple-supported skew girder bridges with the constant and seldom earthquake effect is analyzed.The character of simple-supported skew girder bridges with the different spans has been educed.It can offer the theoretic gist for the seismic design of skew girder bridges.
引文
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[3]Division I-A Seismic Design.Sixteen Edition.Standard Specifications for Highway Bridges[S].
[4]CALTRANS.Seismic Design Criteria[S],1999.
[5]TNZ.Bridge Manual[S],Amendment No 1,1995.
[6]GBJ111—87,铁路工程抗震设计规范[S].
[7]JTJ004—89,公路工程抗震设计规范[S].
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[9]卓秋林.公路简支斜交梁桥地震反应分析[D].福州:福州大学,2005.
[10]GB 50011—2001,建筑抗震设计规范[S].
[11]冯云田,李明瑞,林春哲.复杂结构的弹性地震反应分析[J].地震工程与工程振动,1991,11(4):87-94.
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[14]朱东生,虞庐松,刘世忠.不规则桥梁地震动输入主方向的研究[J].兰州铁道学院学报,2000,19(6):37-40.
[15]王松涛,曹资.现代抗震设计方法[M].北京:中国建筑工业出版社,1997.
[2]夏淦,邵容光.斜梁结构分析[M].江苏:江苏科学技术出版社,1995.
[3]Division I-A Seismic Design.Sixteen Edition.Standard Specifications for Highway Bridges[S].
[4]CALTRANS.Seismic Design Criteria[S],1999.
[5]TNZ.Bridge Manual[S],Amendment No 1,1995.
[6]GBJ111—87,铁路工程抗震设计规范[S].
[7]JTJ004—89,公路工程抗震设计规范[S].
[8]林道锦.复杂桥梁空间地震反应分析[D].上海:同济大学,2000.
[9]卓秋林.公路简支斜交梁桥地震反应分析[D].福州:福州大学,2005.
[10]GB 50011—2001,建筑抗震设计规范[S].
[11]冯云田,李明瑞,林春哲.复杂结构的弹性地震反应分析[J].地震工程与工程振动,1991,11(4):87-94.
[12]胡世德,叶爱君,范立础.独柱式多层立交桥非线性地震反应分析[J].土木工程学报,1997,30(4):19-25.
[13]Wilson E L,Button MR.Three-Dimensional Dynamic Analysis for Mutlicomponent Earthquake Spectra[J].EESD,1982,10(2):471-476.
[14]朱东生,虞庐松,刘世忠.不规则桥梁地震动输入主方向的研究[J].兰州铁道学院学报,2000,19(6):37-40.
[15]王松涛,曹资.现代抗震设计方法[M].北京:中国建筑工业出版社,1997.
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