大型船坞的施工方法,一般是先填筑船坞四周,并在坞口前面构筑围堰,然后抽水,以便进行干施工。作为特殊的施工方法,也可以不填筑,而设置大型沉箱。不做围堰而在坞口两侧设置作为坞门墩的 The construction method for large docks is generally to first fill the shipyard around and construct cofferdams in front of the docks and then draw water for dry construction. As a special construction method, you can not fill, and set large caissons. Do not do the cofferdam and set up on both sides of the dock as docking piers