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49组合梁设计及施工与结构特性相互影响的研究总结国内外组合梁设计方法和施工技术及方法,重点介绍临时支架法、中间支点升降法、调整混凝土板施工顺序法等架设方法的施工概要;以三跨连续组合梁桥为例,建立组合结构桥梁在不同的施工方法、施工顺序和支撑条件下的三维有限元模型
49 Study on Interaction between Design, Construction and Structural Characteristics of Composite Beam The paper summarizes the design methods, construction techniques and methods of composite girders both at home and abroad, with emphasis on the construction summary of temporary erection method, intermediate fulcrum lift method, erection method of adjusting construction sequence method of concrete slab, Taking a three-span continuous composite girder bridge as an example, a three-dimensional finite element model of the composite bridge under different construction methods, construction sequences and supporting conditions is established