目前，大型海上施工围堰的截渗结构均为陆上施工。其工程造价高、工期长。
At present, the large seepage prevention structure of cofferdam is usually constructed at land and the cost is high and construction period is long.
东海大桥采用套箱法施工桥梁承台，因海上施工条件恶劣，施工中的承台套箱除受自身荷载作用，还将受到波浪和水流的共同作用。
The sleeve box of base slab under the construction is not only borne by itself loading action, but also borne by common action of wave and flow because of bad construction conditions on sea.
浮运法施工技术在河床式水电站、码头、海上采油平台、过江(海底)隧道、桥梁、水闸等工程中也有广泛的应用前景。
The floating caisson construction method can also be applied to river channel power stations, ports, offshore drilling platforms, subaqueous tunnels, Bridges, locks, etc.
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