During constructing the bored plies or enlarging the foundations, the lighter and more convenient steel jacket box may be used instead of using the steel sheetpile as the cofferdam.
In the paper, the construction technology of steel sheetpilecofferdam used in the rider cap construction of Hangzhou Bay Cross - sea Bridge and the advertent construction proceedings are introduced.
介绍建设中的杭州湾跨海大桥，采用钢板桩围堰进行海上承台的主要施工技术与施工中应注意的主要问题。
3
In light of engineering practice, a round steel sheetpilecofferdam was used in the main tower caps and the construction of pile cap was successfully completed.