以下为句子列表:
英文: Abstract: This paper discussed the roadways pressure characteristics of south sublevel caving region in Fengshan Copper Mine.By means of engineering practice and the measure results in site test,to counter the feature of roadways pressure,the supporting/r
中文: 文摘:对丰山铜矿南缘无底柱崩落法采区的巷道地压特征进行了探讨,针对其地压显现特点,结合工程实践和现场实验测量的结果,提出了不同地质条件下巷道的支护加固方案和地压控制措施。
更详细...
英文: The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the product
中文: 在分段凿岩阶段矿房法回采实践中,用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行,提高了生产效率。
更详细...
英文: The mechanism of rock bursts occurred in gateways, combined with engineering practice, is studied and the mining in fully-mechanized sublevel caving mining faces is simulated by using the software FLAC(superscript 3D).
中文: 研究综放工作面回采巷道冲击地压发生机理,结合工程实例,运用FLAC(上标3D)软件模拟综放面回采。
更详细...
英文: With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
中文: 摘要随着煤矿开采深度增加,综放开采回采巷道易发生冲击地压危害。
更详细...
|