潜运沉管建闸适用在航运发达的顺直河道上建设水工建筑物。闸位取在原来航道上，闸室和闸门口径可以与航道等宽，运行期不碍航；闸室的钢筋混凝土的浇筑，预埋、闸门和启闭设备的安装和调试等都可在预制场内完成；预制场灌水后，确定闸身潜运时的有效质量和底板底高程，使潜运及在航道内的定位工作十分简便；可以水上拆装和动水开关闸门；施工风险小，施工期短，临时工程少，工程造价省。

In this paper, the application of box floor as submerged camel to hydraulics structures being constructed ,such as sluice gates only temporarily adjusted, water works in the place where the streams being intersected, locks with broad chamber , etc. , is introduced. The sites of these structures are to be on a straight stretch where the diverting of the rivers are not permitted and the widths of chambers of them are equal to the river bed.

The concrete of the chamber and the embedded parts of the chamber as will as the gates with their hoist are completed in a yards where they are prefabricated. The chamber is moved in submerged state to the site. These hydraulic structures are cheaper than those that are constructed in dry sites with the diversion works.