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路桥过渡段是公路工程病害多发地段,土工格室柔性搭板能够很好地处理路桥过渡段路基不均匀沉降。本文就土工格室柔性搭板的设计以及施工工艺在攀田高速路桥过渡段的应用进行了阐述。有限元分析及现场沉降监测表明:土工格室柔性搭板能较好地解决路桥过渡段桥头跳车问题,并降低工程造价。
Road and bridge transition section is a highway engineering disease prone areas, geocell flexible lap can be well handled roadbed transition subgrade uneven settlement. This paper elaborates the design of geosynthetic flexible slab and the application of construction technology in the transitional section of Panzhihua Expressway Bridge. Finite element analysis and on-site settlement monitoring show that geocomposite flexible slab can better solve the problem of bridge jumping at road and bridge transition section and reduce construction cost.