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合拢段的施工是连续梁施工过程中一个至关重要的环节,合陇段的施工必须控制,合拢口施工误差,满足梁体结构受力变化的要求,保证梁体在最终线形目标控制线形所允许的误差范围内。本文结合石武客运专线许漯特大桥跨蜈蚣渠连续梁施工实践,阐述了连续梁合拢块施工过程中值得特别关注的几个问题。
The construction of the closing section is a crucial link in the continuous beam construction process. The construction of the Heilong section must be controlled and the construction error of the closing mouth converged to meet the requirements of the force variation of the beam structure so as to ensure that the beam will be in the final linear target control line shape Allowable error range. Based on the construction practice of the continuous centipede continuous girder construction of Xu-Luo bridge in Shiwu-Wuzhou Passenger Dedicated Railway, several problems deserving special attention in the construction of continuous beam closing-up block are expounded.