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Found Sack concrete wall 1 time.

Displaying results 1 to 10.

1. Sack concrete wall
A bank stabilization technique where burlap sacks of dry concrete mix are placed from a toe trench in a terraced formation up an embankment, than wetted thoroughly and packed down. While curing, the run-off from sack concrete is highly alkaline (has a high pH ); sack concrete walls should not be built in direct contact with the flowing stream.