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结构设计不合理、压实度不达标、引道地基不牢固,是导致道路桥梁发生沉降的主要原因。道路桥梁发生沉降不但影响行车的舒适度,还影响行车的安全性,导致交通事故发生率的增加。通过分析道路桥梁沉降段路基路面的施工技术,提出要加强沉降段路基路面施工技术在道路桥梁建设中应用,加强对道路桥梁沉降段的结构设计、搭板施工、桥台软基施工、路堤填料、施工排水、沉降段的施工组织及填筑台后等。
Structural design is unreasonable, compaction degree is not standard, leading road foundation is not solid, leading to road and bridge subsidence is the main reason. Subsidence of roads and bridges not only affects the comfort of driving, but also affects the safety of driving and leads to the increase of traffic accidents. By analyzing the construction technology of subgrade and pavement in the settlement section of road and bridge, it is proposed to strengthen the application of subgrade and pavement construction technology in the construction of road and bridge, and to strengthen the structural design of the subsidence section of road and bridge, slab construction, soft abutment construction, embankment packing , Construction drainage, construction and settlement of the settlement of the stage and so on.