METHOD OF HYDRAULIC FILL OF CHAMBERS ON GENTLY SLOPING BEDS Russian patent published in 2001 - IPC

FIELD: mining; applicable in mining of mineral deposits of syncline profile with filling of chambers. SUBSTANCE: method includes construction of inclined filtering members, supply of pulp to chamber and withdrawal of filtered water. Filling of chambers is carried out in two stages. First, filled simultaneously is one part of chamber and preliminarily made interchamber connection and leaving gap between fill mass and connection roof. Then, installed in chamber at connection is inclined filtering member with height exceeding design height of fill mass, and final filling of chamber is fulfilled. EFFECT: reduced expenses for erection of fill mass with its better dewatering. 3 dwg