南水北调工程氵名河渡槽耦合动力分析
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摘要
在合理模拟临跨的静态荷载以及质量影响的基础上,采用三维有限元对南水北调工程氵名河大型渡槽典型槽段单跨渡槽进行结构地震动力分析.对于影响渡槽结构动力响应的盆式支座、槽内水体与结构的流固耦合作用以及桩基-土体的动力相互作用,参照相关规范的原则和相关研究成果,在尽可能反映其实际影响和合理简化的基础上进行模拟,研究了结构自振特性、结构各部位的动力位移、应力以及内力响应.计算结果表明:采用不同水体模拟方法和不同计算分析方法得到的动力响应规律是一致的,动力响应值比较接近.
Three dimensional coupled aseismatic dynamic analysis of typical single span structure system of Minghe large scale aqueduct in south-to-north water transfer project was carried out,based on the rational thinking of static load and mass coming from the neighbor spans.According to relative principles and research results,bowl rubber bearings,water flow and aqueduct wall interaction and pilesoil-structure dynamic interaction were simulated.The research results included the characteristic of the natural vibration of aqueduct and dynamic response of structure system.The result has shown that the response trends are similar and the response is close.
Three dimensional coupled aseismatic dynamic analysis of typical single span structure system of Minghe large scale aqueduct in south-to-north water transfer project was carried out,based on the rational thinking of static load and mass coming from the neighbor spans.According to relative principles and research results,bowl rubber bearings,water flow and aqueduct wall interaction and pilesoil-structure dynamic interaction were simulated.The research results included the characteristic of the natural vibration of aqueduct and dynamic response of structure system.The result has shown that the response trends are similar and the response is close.
引文
[1]徐建国,王博.渡槽结构动力性能的有限元分析[J].郑州工业大学学报,1999,20(2):67-69.XUJ G,WANG B.Finite element analysis of structural dynamicproperty for aqueduct[J].Journal of Zhengzhou University ofTechnology,1999,20(2):67-69.(In Chinese)
[2]张俊发,刘云贺,王颖,等.渡槽-水体系统的地震反应分析[J].西安理工大学学报,1999,15(4):46-51.ZHANGJ F,LI U Y H,WANG Y,et al.Aseismic responseanalysis of water-aqueduct-pier system[J].Journal of Xi’an Uni-versity of Technology,1999,15(4):46-51.(In Chinese)
[3]李遇春,楼梦麟.强震下流体对渡槽槽身的作用[J].水利学报,2000,31(3):46-52.LI Y C,LOU M L.Action of fluid on aqueduct body duringstrong earthquake[J].Journal of Hydraulic Engineering,2000,31(3):46-52.(In Chinese)
[4]WU Y,MO HH,YANG C.Study on dynamic performance of athree-di mensional high frame supported U-shaped aqueduct[J].Engineering Structures,2006,28(3):372-380.
[5]徐建国,陈淮,王博.地震作用下大型渡槽结构动态应力计算方法研究[J].水利学报,2002,33(7):79-82.XUJ G,CHEN H,WANG B.Calculation method for dynamicstress of large-scale aqueduct under the action of earthquake[J].Journal of Hydraulic Engineering,2002,33(7):79-82.(In Chi-nese)
[6]王博,徐建国.大型渡槽对多点地震输入的反应[J].水利学报,2000,31(9):55-60.WANG B,XU J G.Dynamic response of large aqueducts tomulti-site earthquakeinput[J].Journal of Hydraulic Engineering,2000,31(9):55-60.(In Chinese)
[7]陈淮,祁冰,杜晓伟.大型双槽渡槽结构振动特性分析[J].世界地震工程,2001,17(1):93-97.CHEN H,QI B,DU X W.Modal analysis of large-scale doublecell aqueducts[J].World Information on Earthquake Engineer-ing,2001,17(1):93-97.(In Chinese)
[8]LI Y C,LOU ML.Evaluation of vertical seismic response for alarge-scale beam-supported aqueduct[J].Earthquake Engineeringand Structural Dynamics,2003,32(1):1-14.
[9]张伯艳,邓迎,李德玉.渡槽抗震计算中几个关键问题的简化处理方法[J].南水北调与水利科技,2005,3(2):46-48.ZHANG B Y,DENG Y,LI D Y.Si mplification treatment ofsome key problems in aqueduct aseismatic calculation[J].South-to-North Water Transfers and Water Science&Technology,2005,3(2):46-48.(In Chinese)
[10]陈厚群,张伯艳.南水北调中线穿黄渡槽静动力分析研究与抗震安全评估报告[R].北京:中国水利水电科学研究院,2002.CHEN HQ,ZHANG B Y.Report of static and dynamic analysisand aseismatic safety esti mationfor aqueduct cross Yellowriver inMiddle-Route of South-to-North Water Transfer Project[R].Bei-jing:China Institute of Water Resources and Hydropower Re-search,2002.(In Chinese)
[11]李正农,袁文阳,秦海明.渡槽抗风抗震计算与分析[M].武汉:湖北科学技术出版社,2001.LI Z N,YUAN W Y,QI N H M.Calculation and analysis onearthquake and windresistance for aqueduct[M].Wuhan:HubeiPress of Science and Technology,2001.(In Chinese)
[2]张俊发,刘云贺,王颖,等.渡槽-水体系统的地震反应分析[J].西安理工大学学报,1999,15(4):46-51.ZHANGJ F,LI U Y H,WANG Y,et al.Aseismic responseanalysis of water-aqueduct-pier system[J].Journal of Xi’an Uni-versity of Technology,1999,15(4):46-51.(In Chinese)
[3]李遇春,楼梦麟.强震下流体对渡槽槽身的作用[J].水利学报,2000,31(3):46-52.LI Y C,LOU M L.Action of fluid on aqueduct body duringstrong earthquake[J].Journal of Hydraulic Engineering,2000,31(3):46-52.(In Chinese)
[4]WU Y,MO HH,YANG C.Study on dynamic performance of athree-di mensional high frame supported U-shaped aqueduct[J].Engineering Structures,2006,28(3):372-380.
[5]徐建国,陈淮,王博.地震作用下大型渡槽结构动态应力计算方法研究[J].水利学报,2002,33(7):79-82.XUJ G,CHEN H,WANG B.Calculation method for dynamicstress of large-scale aqueduct under the action of earthquake[J].Journal of Hydraulic Engineering,2002,33(7):79-82.(In Chi-nese)
[6]王博,徐建国.大型渡槽对多点地震输入的反应[J].水利学报,2000,31(9):55-60.WANG B,XU J G.Dynamic response of large aqueducts tomulti-site earthquakeinput[J].Journal of Hydraulic Engineering,2000,31(9):55-60.(In Chinese)
[7]陈淮,祁冰,杜晓伟.大型双槽渡槽结构振动特性分析[J].世界地震工程,2001,17(1):93-97.CHEN H,QI B,DU X W.Modal analysis of large-scale doublecell aqueducts[J].World Information on Earthquake Engineer-ing,2001,17(1):93-97.(In Chinese)
[8]LI Y C,LOU ML.Evaluation of vertical seismic response for alarge-scale beam-supported aqueduct[J].Earthquake Engineeringand Structural Dynamics,2003,32(1):1-14.
[9]张伯艳,邓迎,李德玉.渡槽抗震计算中几个关键问题的简化处理方法[J].南水北调与水利科技,2005,3(2):46-48.ZHANG B Y,DENG Y,LI D Y.Si mplification treatment ofsome key problems in aqueduct aseismatic calculation[J].South-to-North Water Transfers and Water Science&Technology,2005,3(2):46-48.(In Chinese)
[10]陈厚群,张伯艳.南水北调中线穿黄渡槽静动力分析研究与抗震安全评估报告[R].北京:中国水利水电科学研究院,2002.CHEN HQ,ZHANG B Y.Report of static and dynamic analysisand aseismatic safety esti mationfor aqueduct cross Yellowriver inMiddle-Route of South-to-North Water Transfer Project[R].Bei-jing:China Institute of Water Resources and Hydropower Re-search,2002.(In Chinese)
[11]李正农,袁文阳,秦海明.渡槽抗风抗震计算与分析[M].武汉:湖北科学技术出版社,2001.LI Z N,YUAN W Y,QI N H M.Calculation and analysis onearthquake and windresistance for aqueduct[M].Wuhan:HubeiPress of Science and Technology,2001.(In Chinese)
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