以某跨密集铁路小半径连续钢箱梁工程为背景,介绍了该桥梁顶推施工的技术方案和主要施工设施.详细阐述了钢箱梁跨越密集铁路顶推施工过程中顶推梁段划分、线形控制、施工监控以及箱梁防电措施等施工控制要点,对于类似工程具有一定的借鉴意义.%The technology program and main facility of the incremental launching construction were introduced in the background of a small-radius continuous steel box girder project crossing intensive railways.It focused on such control essentials as box girder segmentation,shape control measures,construction monitoring and box girder anti-electricity measures etc in construction process.This may serve as a useful reference for the construction of other similar projects in the future.
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