Sealing system for old rubbish dump - has mines trough-section gallery below to form inclined sealing dish

摘要

The sealing system is of, an old rubbish dump, using an inclined dish forming the base seal and inserted under the dump. This dish is formed by mining a gallery under the dump with a trough-shaped working face. The gallery can then be backfilled fully and at adjustable density, using suitable building material, and an inspection shaft can be formed at the lowermost point, to check for escape of pollutants or ground water penetration. ADVANTAGE - Protection against escape of poisonous matter into subsoil etc.