A retaining wall can hold back a hillside and turn steep slopes into living spaceif you pay attention to the basics. Although retaining walls are simple structures, a casual check around your neighborhood will reveal lots of existing walls that are bulging, cracked, or leaning. then build the retaining wall on that. Well-drained
Gravity, along with the slope, directs most of the weight and pressure of the fill toward the lower part of the retaining wall. Since soil weighs a beefy 100-plus lbs. per cu. ft., you need some pretty heavy materiallarge retaining wall blocks, boulders, timbers or poured concreteto counteract the pressure.
We built a retaining wall on the slope behind our house to give us more usable space, and it opened up our backyard and gave us a lot more room. Half of our backyard is a steep slope. Dividing the flat, usable part from the slope used to be a chain link fence that was falling down and a deteriorating garden box.
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