How To Build A Half Circle Retaining Wall. Building a retaining wall is important to help keep landscape soil from eroding as a result of the elements. Building a retaining wall will help reduce erosion, improve water drainage, and create usable garden space.
The good news is, learning how to create a retaining wall is easy;
Sir, i am building an amphitheater for a tribal college in arizona. If you decide to do this yourself, we suggest finding someone to help along larger walls need the help of an engineer. If you do not have much money and can't easily fix stuff you probably can still the wide base needs to go back into the slope at least half as wide as the wall is tall. Building a retaining wall will help reduce erosion, improve water drainage, and create usable garden space.