ERECTION METHOD OF ALLUVIAL DAM Russian patent published in 2012 - IPC E02B7/06 

FIELD: mining.

SUBSTANCE: erection method of alluvial dam 3 involves backfill and tier-by-tier buildup of dam 3, routing of main and distributing pulp line 4, tier-by-tier distributed alluviation of tails onto beach 5. Dam 3 alluviation is performed by tier-by-tier arrangement of two hoses 1 and 2 from non-woven geotextile material, which are located at the required distance from each other, filling of hoses and gap between them with tails. At that, external hose 1 is made from non-woven and non-filtering geotextile material with an insert from filtering material for water removal, which faces the beach. Internal hose 2 is made from non-woven filtering geotextile material.

EFFECT: method allows reducing labour intensity and material consumption and increasing useful capacity of tail storage and operating life of facility.

2 dwg