C-T型锁扣钢管桩在嘉鱼长江大桥围堰施工中的应用

摘要

Charr Yangtze river bridge north shore 10 main pier pile caps on the shore of the Yangtze river, pile caps with rectangular structure, geometry size of 58.5m×29.5m×8m, bearing platform construction period is tight, through scheme comparison, the lock steel pipe pile cofferdam method is adopted for construction, process flow and key points for construction, engineering effect is better.%嘉鱼长江大桥北岸10号主墩承台位于长江岸边，承台采用矩形结构，几何尺寸为58.5m×29.5m×8m，承台施工工期较紧，通过方案比选，采用锁扣钢管桩围堰法进行施工，介绍工艺流程及施工要点，工程效果较好。