I am looking for a spec/gradation for a corrective thermal backfill, a well-graded mixture of sand I am thinking, does anyone know of such a spec (simple gradation spec for a thermal (non-slurry)backfill)?
Thanks much
I am looking for a spec for a corrective thermal backfill, a well-graded mixture of sand I am thinking, does anyone know of or have such a spec (simple gradation spec)?
Thanks much