Soil parameters for dry mix concrete as backfill to retaining wall 1

[GeoffD]

I am looking at a failing wall with a backfill with a phi value of 30 degrees and no cohesion.
One solution is to excavate the backfill and replace it with material with a higher phi value and/ or cohesion. One material being considered is dry mix concrete or possibly no fines concrete.
Has anyone any parameters for these materials or any other suggestions?

 

[curvbridger]

Take a look at flowable flyash backfill, lightweight (expanded) aggregate, or tiebacks.

Curvbridger