Broken Concrete Rubble ConstructionOct 19, 2009 . Broken Concrete Construction. This a a 50 year-old retaining wall built by the original and now deceased owner of this property. It is the largest.crushed concrete wall building,How to Build a Concrete Block Retaining Wall | The Family HandymanA concrete block retaining wall is the perfect solution to control erosion, . Backfill with crushed rock, except for the top, where you should install a 6-in. “cap” of.
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