Process for the underground storing of radioactive wastes

摘要: 1. Process for the subterranean storage of radioactive waste, comprising locating within a cavity treated waste isolated from ground by at least one confinement barrier, characterized in that flowable composition is pumped under pressure into voids surrounding said cavity, : - 1000 parts weight water, 40 to 400 cement, 80 clay selected group montmorillonite, illite and vermiculite, 25 1200 kieselguhr and/or natural or artificial pozzolana.