复杂开采条件下低品位镍矿安全高效回采方案研究

谭宝会,王永定,张志贵,龙卫国,李斌,何建元,龚臻

Study on Safety and Efficient Mining Scheme for Low Grade Nickel Ore Under Complex Mining Conditions

Baohui TAN,Yongding WANG,Zhigui ZHANG,Weiguo LONG,Bin LI,Jianyuan HE,Zhen GONG

图3 下向水平分层胶结充填体的结构特征

Fig.3 Structural characteristics of downward horizontal layered cemented backfill