Through experiments,the relations among the water depth(h),discharge(Q),canal grade(i),hydraulic head(H) in front of the sluice and the gate opening(e) in the rectangular channel are researched.

The application of geotechnical cancellus for protective slope in canal;

On the basis of the simulation technique of 3D finite element steady and un-steady seepage,this paper has finished the calculation analysis on south bank channel high slope seepage status of Yellow River Tunnel Project in first-stage of Middle Route South-to-North Water Transfer Project.