北江特大桥双壁钢围堰施工技术

Construction technology of double-walled steel cofferdam in the project of Beijiang Bridge

阐述了北江特大桥主墩基础双壁钢围堰加工、运输、沉放、封底施工过程,重点介绍了双壁钢围堰锚固体系的受力计算,以对类似工程受力计算参数选用提供查阅和参考。

This paper expatiates the construction process of double-walled steel cofferdam for the main bridge pier basis of Beijiang Bridge,include machining,transportation,immersion,cap end,and introduces mainly the force calculation of double-walled steel cofferdam anchorage system,providing reference for parameter selecting of force calculation in similar project.