大面积胶结充填体诱导冒落机理及其发展过程研究

苏华友,王永定,谭宝会,龙卫国,杨宁,张志贵,陈星明

Study on Induced Caving Mechanism and Development Process of Large Area Cemented Backfill

Huayou SU,Yongding WANG,Baohui TAN,Weiguo LONG,Ning YANG,Zhigui ZHANG,Xingming CHEN

图1 龙首矿西二采区胶结充填体诱导冒落覆盖层形成方案 1-回采进路；2-扇形孔炮排；3-下盘沿脉巷道；4-矿石散体垫层；5-切割立槽；6-上盘切割平巷；7-溜井；8-冒落胶结充填体；9-阶梯式退采方向；10-片麻岩；11-胶结充填体；12-矿体

Fig.1 Formation scheme of caving overburden induced by cemented filling body in West No.2 mining area of Longshou mine