Today we worked on the drystone retaining wall in Daisy Ridge. Walls like this are different, and much more labor and stone intensive, than a mortared or veneer stone wall. The reason is that the wall has to be structural, as well as look good, so the stones have to tie back deeper into the backfill and be fitted much more carefully.
Notice how much more stone is extending back into the wall than what you see on the face of the wall. These are called "tie stones" and they are critical to building a strong drystone retaining wall.
Another "tie stone". Every third rock at least should be a tie stone. We use rubble, rock chips, and 3/4" washed gravel for the back fill, which allows water to pass freely through the structure. The white fabric prevents soil from infiltrating the gravel and inhibiting drainage.
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