The bridge replacement technology is an important part of bridge maintenance and repair.Compared with the conventional new bridge demolition technology, the use of the bridge replacement technology can greatly reduce the cost, shorten the construction period, reduce the mechanical cost, facilitate the construction and safety, and have less impact on the surrounding environment.%桥台更换技术是桥梁维修养护的重要内容,与常规的拆除桥梁新建工艺相比,采用托桥换台技术可大幅降低造价,缩短工期,减少机械费用,施工方便安全,对周边环境影响也较小.
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