嵌岩承台钢板桩围堰的设计与施工

摘要

In light of geological condition of especially big bridge on Jin-Chi railway,the paper analyzes and compares three kinds of water resisting schemes including vertical shaft,caisson,and steel plate pile cofferdam,determines to apply steel plate pile cofferdam,specifically introduces calculation methods of corresponding design,and describes construction technology.In the end,it summarizes the features and matters needing attention in the construction of steel plate pile cofferdam,with a view to guide similar engineering in future.%针对锦赤铁路洗矿厂特大桥地质条件,对比分析了竖井、沉井、钢板桩围堰三种阻水方案,确定采用钢板桩围堰方案,详细介绍了相关设计计算方法,并对施工工艺作了具体阐述,并总结了钢板桩围堰的特点及施工注意事项,以指导今后同类工程。