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大跨度钢桁拱桥扣塔系统受力性能分析 被引量:6

Analysis on Mechanical Property of Cable Tower System for Large-Span Steel Truss Arch Bridge
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摘要 大跨度钢桁拱桥扣塔系统在施工过程中受力至关重要。利用有限元方法建立了包括塔架架体、顶底分配梁、锚固梁、拉索锚箱等构件的三维有限元整体分析模型,计算分析了立柱、锚箱等在施工过程中的刚度、强度及稳定性,分析得出的结论对该类扣塔系统的设计及使用具有一定指导意义和参考价值。 The load-carrying capability of cable tower system for large-span steel truss arch bridge during the construction is very important.The three-dimensional finite element integral analysis models for components like tower frame,top and bottom distribution beams,anchoring beam,guy anchor box and so on are built by utilizing the finite element method,and the computational analyses on the rigidity,intensity and stability of stand column,anchor box and so on during the construction are made.The conclusions obtained from the analyses have certain guiding significance and reference value for the design and usage of this kind of cable tower system.
作者 靳国胜 JIN Guo-sheng(Chongqing Zhongshe Engineering Design Co.,Ltd.,Chongqing 400025,China)
出处 《北方交通》 2018年第3期16-20,共5页 Northern Communications
关键词 大跨度钢桁拱桥 扣塔系统 力学性能 有限元分析 Large-span steel truss arch bridge Cable tower system Mechanical property Finite element analysis
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