Which Retaining Wall Material Performs Best in Colorado Springs Clay Soil?
Choosing a retaining wall material for a Colorado Springs slope is not the same decision it would be anywhere else in the country. At 6,035 feet of elevation, with a frost line that reaches 36 inches below grade, annual freeze-thaw cycles occurring 30–60 times per year, and clay-bearing soil formations, including the notoriously expansive Dawson arkose and Pierre shale that underlie much of the city’s western residential areas, the performance requirements here eliminate options that work perfectly well in gentler climates and impose strict discipline on the ones that remain viable. Continue reading
