全面采矿法是在阶段中把矿体划分为矿块进行开采,回采工作面沿走向或逆倾斜方向全面推进,设备和工人在空场下进行作业,回采过程中形成的空场主要靠围岩的承载能力,辅以留规则或不规则的矿岩柱、废石垛或人工支柱来维护。全面采矿法又分为普通全面采矿法和留矿全面采矿法两种。
... stoping hole 回采炮眼 ; 扩槽炮孔 breast stoping 扒矿开采 ; 全面采矿法 back stoping 上向梯段回采 ...
基于20个网页-相关网页
地下矿深孔爆破 longhole blasting in underground mine 全面采矿法breasting mining method;breast stoping 施工场地总平面布置general surface layout of construction site ..
基于16个网页-相关网页
... breast 采矿工作面 breasting method 全面采矿法 breeze concrete support 矿渣混凝土支架 ...
基于8个网页-相关网页
通过多种采矿方法的技术经济分析,认为采用锚杆护顶的全面采矿法较为合理。
Technological and economical analyses show that the breast stoping with roof bolting is more reasonable than others.
连续采矿法具有独特优越之处,但其全面拉开后采场的稳定性有待验证。
Therefore, continuous mining method is possessed of unique merits, yet the stability of stope after full opening waits to be proved.
金山金矿矿体属于缓倾斜薄至中厚矿体,形态复杂,开采难度大,原采用全面法开采,采矿损失大、工效低、采场生产能力小。
The orebody in Jinshan gold mine is flatly inclined and has thin to medium thickness, with a complicated morphology, thus the mining is very difficult.
应用推荐