PROPOSED EMBANKMENT AND SUBSURFACE CONDITION
The proposed hydraulic sand-fill embankment was located in a valley. The hydraulic sand-fill was pumped from a nearby river and had noticeable silt content, In locations where some fines were present, the fines were successfully transported away as part of the the surface water drained away from the hydraulic fill, A layout of the approach embankment section is shown in Figure 1. The foundation of the embankment was alluvium.