In a typical reinforced soil slope (RSS) or MSE wall, the d50 of the ideal backfill material is a function of aperture size of the geogrid. In other situations, many use granular materials (sand or even silt). Does anyone know if the cohesive soil (CL) can be used as backfill in such structures, and why not. I will appreciate the reference, citations or case studies.
We have only CL soil available at the site or in the vicinity.
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