oldestguy,
In our area we use open-graded stone because A. its relatively cheap and B. the fine-grained soils don't meet the requirements of NCMA for use a reinforced backfill. However, to address your concern about the fine-grained material clogging the open-graded we reduce this risk by...
Hey all,
My firm recently designed a segmental retaining wall using #57 stone for the full length of the geogrid reinforcement. The builder did not have a third party testing firm inspect the wall as it was being built, and as a result, the continuous drain and all outlets through the wall face...