This paper analyzes and contrasts the inverted "T"_shaped dam foundation and case type dam foundation to select the feasible basis principle of dam foundation type.

Both research on geohydrological condition and quantitative analysis prove that besides the reservoir water the artesian aquifer under sluice foundation is another main source of seepage.

This paper introduced soft soil foundation excavation water drainage and earthwork excavation methods in the marshland area of Xingkai Lake and also discussed the feasibility of spreading the sluice foundation excavation scheme in Sanjiang Plain here.