渡槽结构横槽向抗震简化计算模型研究
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摘要
为了能够简便快捷地估算渡槽结构横槽向地震响应,以Housner弹簧-质量简化模型及土-桩非线性动力Winkler地基梁简化模型为基础,建立了一种可以同时考虑流-固耦合动力相互作用与土-桩非线性动力相互作用的渡槽结构横槽向抗震简化计算模型。在此基础上,应用此简化计算模型对渡槽拟动力试验模型在三种试验地震波作用下的横槽向地震响应进行了计算,并将计算结果与拟动力模型试验结果进行了对比,验证了本文建立的简化计算模型的合理性。
In order to simply and fastly estimate the transverse seismic responses of the aqueduct structure system,an aseismic simplified calculation model was proposed in this paper,in consideration of the fluid-structure coupling dynamic interaction with the Housner spring-mass simplified model and the nonlinear soil-pile dynamic interaction with the soil-pile nonlinear dynamic Winkler foundation beam simplified model. On this foundation,the transverse seismic responses of the pseudo-dynamic test model were calculated under the action of three kinds of test seismic waves,which adopted the simplified calculation model. Compared with the pseudo-dynamic test results,the rationality of simplified calculation model of aqueduct structure was verified.
In order to simply and fastly estimate the transverse seismic responses of the aqueduct structure system,an aseismic simplified calculation model was proposed in this paper,in consideration of the fluid-structure coupling dynamic interaction with the Housner spring-mass simplified model and the nonlinear soil-pile dynamic interaction with the soil-pile nonlinear dynamic Winkler foundation beam simplified model. On this foundation,the transverse seismic responses of the pseudo-dynamic test model were calculated under the action of three kinds of test seismic waves,which adopted the simplified calculation model. Compared with the pseudo-dynamic test results,the rationality of simplified calculation model of aqueduct structure was verified.
引文
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[8]徐建国,陈淮,王博.渡槽结构考虑流固耦合的横向地震响应研究[J].工程力学,2004,21(6):197-202.XU Jianguo,CHEN Huai,WANG Bo.Transverse seismic response of aqueducts with fluid-structure coupling[J].Engineering Mechanics,2004,21(6):197-202.(in Chinese)
[9]徐建国,陈淮,王博,等.考虑流固动力相互作用的大型渡槽地震响应研究[J].土木工程学报,2005,38(8):67-73.XU Jianguo,CHEN Huai,WANG Bo,et al.Seismic response of large-scale aqueduct with fluid-structure coupling[J].China Civil Engineering Journal,2005,38(8):67-73.(in Chinese)
[10]李正农,张盼盼,朱旭鹏,等.考虑桩-土动力相互作用的渡槽结构水平地震响应分析[J].土木工程学报,2010,43(12):137-143.LI Zhengnong,ZHANG Panpan,ZHU Xupeng,et al.Horizontal seismic response analysis of aqueduct with pier-soil dynamic interaction[J].China Civil Engineering Journal,2010,43(12):135-141.(in Chinese)
[11]张盼盼.大型渡槽结构抗震计算的模型简化[D].长沙:湖南大学,2011,12-73.ZHANG Panpan.Model simplification for seismic calculation of aqueduct structure[D].Changsha:Hunan University,2011,12-73.
[12]Housner G W.Dynamic pressure on accelerated fluid containers[J].Bulletin of the Seismological Society of America,1957,15-35.
[13]李正农,周振纲,朱旭鹏.桩-土非线性动力相互作用简化模型[J].自然灾害学报,2013,22(6),252-259.LI Zhengnong,ZHOU Zhengang,ZHU Xupeng.Simplified model of nonlinear pile-soil dynamic interaction[J].Journal of Natural Disasters,2013,22(6),252-259.(in Chinese)
[14]李正农,周振纲,朱旭鹏,等.渡槽拟动力试验仿真分析[J].振动工程学报,2013,26(3),387-394.LI Zhengnong,ZHOU Zhengang,ZHU Xupeng,et al.Simulation analysis of aqueduct pseudo-dynamic testing[J].Journal of Vibration Engineering,2013,26(3):387-394.(in Chinese)
[15]李正农,周振纲,朱旭鹏.槽墩高度对渡槽结构水平地震响应的影响[J].地震工程与工程振动,2013,33(3),245-257.LI Zhengnong,ZHOU Zhengang,ZHU Xupeng.Effect of the height of pier on horizontal seismic responses of aqueduct structure[J].Journal of Earthquake Engineering and Engineering Vibration,2013,33(3),245-257.(in Chinese)
[2]孙利民,张晨南,潘龙,等.桥梁桩土相互作用的集中质量模型及参数确定[J].同济大学学报,2002,30(4):409-415.SHUN Liming,ZHANG Chennan,PAN Long,et al.Lumped-mass model and its parameters for dynamic analysis of bridge pier-pile-soil system[J].Journal of Tong Ji University,2002,30(4):409-415.(in Chinese)
[3]李永梅,孙国富,王松涛,等.桩-土-杆系结构的动力相互作用[J].建筑结构学报,2002,23(1):75-81.LI Yongmei,SUN Guofu,WANG Songtao,et al.Dynamic interaction of pile-soil-frame structure[J].Journal of Building Structures,2002,23(1):75-81.(in Chinese)
[4]肖晓春,迟世春,林皋.水平地震下土-桩-结构相互作用简化分析方法[J].哈尔滨工业大学学报,2003,23(5):75-81.XIAO Xiaochun,CHI Shichun,LIN Gao.Simplified analysis of soil-pile-structure dynamic interaction under lateral seismic loading[J].Journal of Harbin Institute of Technology,2003,35(5):561-564.(in Chinese)
[5]高军,高全臣.桩-土-结构相互作用对桩基组合结构振动控制的影响研究[J].振动工程学报,2011,24(4):421-427.GAO Jun,GAO Quanchen.Influence of pile-soil-structure interaction on vibration control of a double-parts combined piling structures[J].Journal of Vibration Engineering,2011,24(4):421-427.(in Chinese)
[6]段浪,金波.桩-土-结构相互作用对大跨度斜拉桥地震响应的影响[J].力学季刊,2011,32(1):81-90.DUAN Lang,JIN Bo.Influence of pile-soil-structure interaction on seismic response of long span cable stayed bridge[J].Chinese Quarterly of Mechanics,2011,32(1):81-90.(in Chinese)
[7]熊辉,邹银生.群桩(土)-承台-结构的动力相互作用分析[J].工程力学,2004,21(4):75-80.XIONG Hui,ZOU Yinsheng.Dynamic interactive analysis of pile group-soil-structure[J].Engineering Mechanics,2004,21(4):75-80.(in Chinese)
[8]徐建国,陈淮,王博.渡槽结构考虑流固耦合的横向地震响应研究[J].工程力学,2004,21(6):197-202.XU Jianguo,CHEN Huai,WANG Bo.Transverse seismic response of aqueducts with fluid-structure coupling[J].Engineering Mechanics,2004,21(6):197-202.(in Chinese)
[9]徐建国,陈淮,王博,等.考虑流固动力相互作用的大型渡槽地震响应研究[J].土木工程学报,2005,38(8):67-73.XU Jianguo,CHEN Huai,WANG Bo,et al.Seismic response of large-scale aqueduct with fluid-structure coupling[J].China Civil Engineering Journal,2005,38(8):67-73.(in Chinese)
[10]李正农,张盼盼,朱旭鹏,等.考虑桩-土动力相互作用的渡槽结构水平地震响应分析[J].土木工程学报,2010,43(12):137-143.LI Zhengnong,ZHANG Panpan,ZHU Xupeng,et al.Horizontal seismic response analysis of aqueduct with pier-soil dynamic interaction[J].China Civil Engineering Journal,2010,43(12):135-141.(in Chinese)
[11]张盼盼.大型渡槽结构抗震计算的模型简化[D].长沙:湖南大学,2011,12-73.ZHANG Panpan.Model simplification for seismic calculation of aqueduct structure[D].Changsha:Hunan University,2011,12-73.
[12]Housner G W.Dynamic pressure on accelerated fluid containers[J].Bulletin of the Seismological Society of America,1957,15-35.
[13]李正农,周振纲,朱旭鹏.桩-土非线性动力相互作用简化模型[J].自然灾害学报,2013,22(6),252-259.LI Zhengnong,ZHOU Zhengang,ZHU Xupeng.Simplified model of nonlinear pile-soil dynamic interaction[J].Journal of Natural Disasters,2013,22(6),252-259.(in Chinese)
[14]李正农,周振纲,朱旭鹏,等.渡槽拟动力试验仿真分析[J].振动工程学报,2013,26(3),387-394.LI Zhengnong,ZHOU Zhengang,ZHU Xupeng,et al.Simulation analysis of aqueduct pseudo-dynamic testing[J].Journal of Vibration Engineering,2013,26(3):387-394.(in Chinese)
[15]李正农,周振纲,朱旭鹏.槽墩高度对渡槽结构水平地震响应的影响[J].地震工程与工程振动,2013,33(3),245-257.LI Zhengnong,ZHOU Zhengang,ZHU Xupeng.Effect of the height of pier on horizontal seismic responses of aqueduct structure[J].Journal of Earthquake Engineering and Engineering Vibration,2013,33(3),245-257.(in Chinese)
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