文章详细信息 关键词： 大跨结构;;卸载;;临时支撑;;施工内力 [gap=462]Keywords: large-span structure,unloading,temporary support,internal force of construction
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Rational internal force of hangers under different construction stage can be obtained through optimization analysis of the object under the finished bridge condition of the camber composite bridge.
通过对梁拱组合式桥梁成桥状态目标的优化分析，可以得到不同施工阶段合理的吊杆内力。
Therefore, formulas of settlement and internal force of upper structure is deduced, realizing method considering soil structure interaction and construction process is put forward.
针对上述问题，笔者推导了施工过程中地基变形和结构内力的计算公式，提出了考虑土结相互作用并模拟施工过程的实现方法。
From the point of internal force and deformation, the influence of girder joint scheme of side span on construction control is discussed.
从受力与变形角度讨论了边跨合龙方案对连续梁桥施工控制的影响。
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