Jinchuan company, Changsha institute of mining research. Research on the large area cemented fill and its mechanism of action at No. 1 in Jinchuan mine, 1990.
金川公司，长沙矿山研究院。金川二矿区1号矿体下向胶结充填大面积充填体作用机理试研究。
The practice cf mining room first and then pillars by overhand cut and cemented fill is widely used in China, but the condition for pillars recovery in later period is normally worse.
先房后柱的上向分层胶结充填法在我国应用较为广泛，但矿柱后期回采条件较差。
In the paper, the mining technology of cemented fill stoping and backfill technology with rubble and concrete are presented, and their technical and economical indexes are briefly analyzed.
本文介绍该采矿法的回采方法与碎石混凝土充填工艺，并对其技术经济指标作简要分析。
In the paper, the mining technology of cemented fill stoping and backfill technology with rubble and concrete are presented, and their technical and economical indexes are briefly analyzed.
本文介绍该采矿法的回采方法与碎石混凝土充填工艺，并对其技术经济指标作简要分析。
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