Understanding Drain Tile in Modular Retaining Walls
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17:09
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Turning a STEEP Hill into a Flat yard #1
What happens here
Drain tile should generally not be actively flowing in a properly installed modular retaining wall. The design allows water to flow freely through the face of the blocks and drainage aggregate, preventing hydrostatic pressure buildup. If drain tile is operating, it indicates that either insufficient drainage aggregate was used or the existing aggregate is clogged/compromised, which is a red flag for potential wall failure.
Goal: Ensure proper drainage principles are understood for modular retaining walls.
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