Could you provide more information on your problem?<br>Could you characterize the soil conditions including thickness of strata?<br>Also, what is the depth of excavation and depth of sheet pile embedment relative to the ground surface?<br>Where is the top of the water or water table relative to...
You have not provided much information on the soil characteristics, depth of burial, or any external loads. In poor soils, care should be taken that the trench is constructed safely. If you are concerned about migration of the granular backfill into the native...