露天采矿遵循与地下采矿相同的作业顺序：钻孔、爆破、装载并运走废料和矿石。
Open-pit mining follows the same sequence of oprations as underground mining: drilling, blasting, and loading and removing waste and ore.
露天采矿遵循与地下采矿相同的作业顺序：钻孔、爆破、装载并运走废料和矿石。
Open-pit mining follows the same sequence of operations as underground mining: drilling, blasting, and loading and removing waste and ore.
介绍了大孤山铁矿在矿石三期破碎系统的建设过程中，采用垂直深孔爆破技术挖掘破碎峒室，使挖掘工期大幅度缩短。
Dagushan's iron mine whose iron ore is in its third fragmentation system is in the construction process, in which the vertical deep-hole blasting technology was adopted to excavate the fragment room.
用侧向崩矿取代VCR法退后分层落矿方式，每次爆破矿石量可达数万吨至10万吨，改进了VCR法的爆破崩矿方式。
The retreat slicing blast of VCR was replaced by side blasting with more than 10 thousand tons of blasted ore each time. And the blast patten in VCR has been improved.
峨口铁矿为了解决东区采场的矿石出路问题，决定增建两条放矿明溜槽。本文简述了溜槽工程地质概况，详细介绍了溜槽的爆破成形设计方案，分析了爆破效果。
In this paper, the geological condition of the chute in the iron mine is discussed, the design program for forming the chute by blasting is also introduced, and the blasting effectiveness is analyzed.
峨口铁矿为了解决东区采场的矿石出路问题，决定增建两条放矿明溜槽。本文简述了溜槽工程地质概况，详细介绍了溜槽的爆破成形设计方案，分析了爆破效果。
In this paper, the geological condition of the chute in the iron mine is discussed, the design program for forming the chute by blasting is also introduced, and the blasting effectiveness is analyzed.
应用推荐