Step #1 – Dig a Trench. First, mark the location of your wall by either dragging a shovel in the dirt, using stakes and string or even spraying the ground with spray paint.
6 In case the wall is unsafe against sliding pp= p tan 2 (45 + /2) = p k p where pp= Unit passive pressure on soil above shearing plane AB If W= Total vertical force acting at the key base = shearing angle of passive resistance
Whether you're looking to elevate your home's curb appeal, extend the usable space of your property, or you're concerned about mitigating erosion in a sloped area of your yard, installing an interlocking concrete block retaining wall may be the answer.