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蝶形拱桥主梁的非线性行为及影响因素分析

, PP. 57-65

Keywords: 桥梁工程,非线性行为,增量迭代法,蝶形拱桥,外倾角,矢跨比

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Abstract:

蝶形拱桥造型独特其主梁部分的非线性行为规律相对其他拱桥较为难掌握,传统未充分考虑非线性影响的设计方法已不再适用。在自编程序的基础上,全面分析了各种非线性因素下蝶形拱桥主梁部分的非线性行为并研究了外倾角、矢跨比、含钢率等设计参数的影响及规律。结果表明拱肋单元的梁柱效应对主梁弯矩的影响是不利的,而主梁单元的梁柱效应能够有效地抵消这种不利影响;主梁弯矩的非线性行为规律相对挠度更加复杂;未加载侧边梁的影响系数受偏载距离的影响较大;各梁跨中挠度和弯矩的影响系数均随主拱肋外倾角的增大而增大;主拱肋含钢率和索拱平面间夹角对主梁非线性行为的影响可以忽略。

References

[1]  梁鹏. 超大跨度斜拉桥几何非线性及随机模拟分析[D]. 上海: 同济大学,2004.LIANG Peng. Geometric Non-linear and RandomSimulative Analysis for Ultra Long Span Cable-stayedBridge[D]. Shanghai: Tongji University, 2004.
[2]  汪峰. 大跨径三塔结合梁斜拉桥几何非线性分析研究[D]. 武汉: 武汉理工大学,2010.WANG Feng. Geometrically Nonlinear Analysis of LongSpan Composite Girder Cable-stayed Bridge with ThreeTowers [D]. Wuhan: Wuhan University of Technology,2010.
[3]  方志,郭棋武,刘光栋. 混凝土斜拉桥施工及运营阶段的非 线 性 影 响 分 析 [J]. 工 程 力 学,2005,22(1): 200-205.FANG Zhi,GUO Qi-wu,LIU Guang-dong. NonlinearBehavior of Concrete Cable-stayed Bridge during ItsConstruction and Service Stages [J]. EngineeringMechanics, 2005, 22 (1): 200-205.
[4]  王頠,瞿伟廉. 大跨度公铁斜拉桥的几何非线性效应[J]. 华侨大学学报: 自然科学版,2009,30 (2):215-220.WANG Wei,QU Wei-lian. Effect of Geometrical Non-linearity on Long Span Highway and Railway Cable-stayedBridges [J]. Journal of Huaqiao University: NaturalScience Edition, 2009, 30 (2): 215-220.
[5]  LIU Mu-yu, WANG Feng. Geometrically NonlinearAnalysis of Long Span Composite Girder Cable-stayedBridge with Three Towers under Live Load [J]. AppliedMechanics and materials, 2010, 34/35: 371-375.
[6]  唐茂林. 大跨度悬索桥空间几何非线性分析与软件开发 [D]. 成都: 西南交通大学,2003.TANG Mao-lin. 3D Geometric Nonlinear Analysis of Long-span Suspension Bridge and Its Software Development[D]. Chengdu: Southwest Jiaotong University, 2003.
[7]  梁鹏,吴向男,李万恒,等. 三塔悬索桥汽车效应几何非线性 [J]. 长安大学学报: 自然科学版,2011,31 (4): 45-49.LIANG Peng, WU Xiang-nan, LI Wan-heng, et al.Geometrical Nonlinearity under Live Load for Three-towerSuspension Bridges [J]. Journal of Chang'an University:Natural Science Edition, 2011, 31 (4): 45-49.
[8]  赵灿晖,李乔,卜-之. 钢桁拱桥非线性及面内极限承载力分析 [J]. 中国铁道科学,2007,28 (5):52-58.ZHAO Can-hui,LI Qiao,BU Yi-zhi. Analysis on theNonlinear and In-plane Ultimate Load Carrying Capacity ofSteel Truss Arch Bridge [J]. China Railway Science,2007, 28 (5): 52-58.
[9]  张阳,邵旭东,蔡松柏,等. 大跨桁式钢管混凝土拱桥空间非线性有限元分析 [J]. 中国公路学报,2006,19 (4): 65-70.ZHANG Yang,SHAO Xu-dong,CAI Song-bai,et al.Spatial Nonlinear Finite Element Analysis for Long-spanTrussed CFST Arch Bridge [J]. China Journal ofHighway and Transport, 2006, 19 (4): 65-70.
[10]  陈世民,张飞,白云. 钢管混凝土拱桥施工及营运阶段非线性应力分析 [J]. 公路交通科技,2009,26(1): 93-98.CHEN Shi-min,ZHANG Fei,BAI Yun. Nonlinear StressAnalysis of CFST Arch Bridge in Construction and Service[J]. Journal of Highway and Transportation Research andDevelopment, 2009, 26 (1): 93-98.
[11]  李松,强士中,唐英. 钢筋混凝土拱桥极限承载力的参数研究 [J]. 西南交通大学学报,2007,42 (3):293-298.LI Song,QIANG Shi-zhong,TANG Ying. ParametricInvestigation of Ultimate Bearing Capacity of ReinforcedConcrete Arch Bridges[J]. Journal of Southwest JiaotongUniversity, 2007, 42 (3): 293-298.
[12]  周水兴,张敏,王小松. 钢管初应力对钢管砼拱桥承载力影响非线性分析 [J]. 计算力学学报,2010,27(2): 291-297.ZHOU Shui-xing, ZHANG Min, WANG Xiao-song.Nonlinear Analysis of Steel Tube Initial Stress Effect inSteel Tube on Bearing Capacity for CFST Arch Bridges[J]. Chinese Journal of Computational Mechanics, 2010,27 (2): 291-297.
[13]  项海帆. 高等桥梁结构理论 [M]. 北京: 人民交通出版社,2001: 237-261.XIANG Hai-fan. Advanced Bridge Structure Theory[M].Beijing: China Communications Press, 2001: 237-261.
[14]  李传习,夏桂云. 大跨度桥梁结构计算理论 [M].北京: 人民交通出版社,2002: 88-113.LI Chuan-xi,XIA Gui-yun. Calculation Theory of Long-span Bridge Structure
[15]  [M ]. Beijing: ChinaCommunications Press, 2002: 88-113.
[16]  FLEMING J F. Nonlinear Static Analysis of Cable-stayedBridge Structures[J]. Computers & Structures, 1979,10(4): 621-635.

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