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基于空间梁格模型的异形斜拉桥体系转换施工模拟

, PP. 66-72

Keywords: 桥梁工程,异形斜拉桥,空间梁格模型,特殊非线性,施工模拟,支座脱空

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Abstract:

?以某独斜塔双索面弯斜拉桥为例建立空间梁格模型,分析了该桥几何位置迁移、拉索垂度效应、支座脱空等主要非线性特征的影响程度,并提供了处理施工中临时支架脱空引起特殊非线性问题的程序迭代计算方法;在此基础上以主塔应力安全为主线,兼用传统正装分析的方法,综合考虑各种非线性以及徐变收缩等问题设计了整个体系转换的施工过程。实测结果表明:该梁格模型的建立以及对特殊非线性问题的处理方法为该桥的施工设计与监控提供了准确的数据,保证了体系转换施工的顺利完成,可供同类异形斜拉桥的施工模拟计算参考。

References

[1]  ZHANG Feng,YE Jian-shu,XU Xiang-feng.Nonlinear Analysis Element Model of Prestressed Concrete Beam[J].Journal of Traffic and Transportation Engineering,2007,7(5):68-72.
[2]  GAO Jian,PEI Min-shan.Analysis of Space Stress in Anchoring Box Between Cable and Beam of Long-span Cable-stayed Bridge[J].Journal of Architecture and Civil Engineering,2006,23(3):66-70.
[3]  CHEN Chang-song.Study on Fine Theory of Geometric Nonlinear and Its Application for Super Long-span Cable-stayed Bridge Through Construction Stage[D].Changsha:Central South University,2007.
[4]  YIN Chao.Geometric Nonlinearity Analysis of Long-span Cable-stayed Bridge[D].Chengdu:Southwest Jiaotong University,2005.
[5]  LIAO Xiao-xiong,HUANG Yan,GUO Ben,et al.Simulation and Analysis of Construction State of Cable-stayed Bridge Based on ANSYS[J].Journal of Wuhan University of Technology:Transportation Science & Engineering,2006,30(3):496-499.
[6]  曾永平,张亮亮.有限元法在斜拉桥施工仿真分析中的应用[J].公路,2006(10):19-21.
[7]  杨美良,李传习,张建仁.斜拉桥施工过程的非线性仿真分析研究[J].长沙交通学院学报,2006,22(1):17-21.
[8]  柳 磊,徐 栋.钢拱塔预应力混凝土斜拉桥-空间分析及拉索张拉方法研究[C]//中国土木工程学会.第十八届全国桥梁学术会议论文集.北京:人民交通出版社,2008.
[9]  ERNST H J.The Modulus of Ropes Taking the Slack into Account[J].Civil Engineer,1965,40(2):52-55.
[10]  颜东煌,刘光栋.确定斜拉桥合理施工状态的正装迭代法[J].中国公路学报,1999,12(2):59-64.
[11]  陈凌宇,李欣然,陈德伟.江阴五星桥(斜拉桥)施工监控[J].结构工程师,2005,21(6):85-90.
[12]  张 峰,叶见曙,徐向锋.预应力混凝土梁非线性分析单元模型[J].交通运输工程学报,2007,7(5):68-72.
[13]  高 剑,裴岷山.大跨度斜拉桥索梁锚箱空间受力分析[J].建筑科学与工程学报,2006,23(3):66-70.
[14]  陈常松.超大跨度斜拉桥施工全过程几何非线性精细分析理论及应用研究[D].长沙:中南大学,2007.
[15]  尹 超.大跨度斜拉桥几何非线性分析[D].成都:西南交通大学,2005.
[16]  廖小雄,黄 艳,郭 奔,等.基于ANSYS的斜拉桥施工过程模拟分析[J].武汉理工大学学报:交通科学与工程版,2006,30(3):496-499.
[17]  ZENG Yong-ping,ZHANG Liang-liang.The Applying of Finite Element Method for Simulation Analysis of Cable-stayed Bridge[J].Highway,2006(10):19-21.
[18]  YANG Mei-liang,LI Chuan-xi,ZHANG Jian-ren.Nonlinearity and Emulation Analysis for Construction Sequences of Cable-stayed Bridges[J].Journal of Changsha Communications University,2006,22(1):17-21.
[19]  LIU Lei,XU Dong.Steel Arch Tower Prestressed Concrete Cable-stayed Bridge-Spacial Analysis and Tension Method Reseach[C]//China Civil Engineering Society.The 18th National Bridge Academic Conference Symposium.Beijing:China Communications Press,2008.
[20]  YAN Dong-huang,LIU Guang-dong.Forward-iteration Method for Determining Rational Construction State of Cable-stayed Bridges[J].China Journal of Highway and Transport,1999,12(2):59-64.
[21]  CHEN Ling-yu,LI Xin-ran,CHEN De-wei.Erection Control for Jiangyin Wuxing Bridge(Cable-stayed Bridge)[J].Structure Engineers,2005,21(6):85-90.

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