BASE SEAL FOR A RESIDUAL SALT STOCKPILE

摘要

The invention relates to a base seal of a dump, in particular a residual salt dump, said seal comprising two layers disposed on top of one another. The upper layer has a mixture of gravel, sand and bentonite or powered clay with a permeability coefficient of k@10-9 m/s and the lower layer has a mixture of sand and bentonite or powered clay with a permeability coefficient of k@5*10-10 m/s.