汶南煤矿是新汶矿业集团进入深部开采的老矿井。
Wennan colliery of Xinwen coal mining Group is an old coalmine and is mining deep coal layer.
徐庄煤矿深部煤层的开采一直经受着太原组灰岩水的威胁。
Xuzhuang coal mine often encountered the hazard of water from Taiyuan Formation, as it mines the deep buried coal seams.
随着我国煤矿开采越来越趋向深部，煤矿软岩问题便越来越突出，特别是三软煤层回采巷道的围岩控制问题。
Along with the mines toward deep level in China, the problems of soft rock are becoming more and more outstanding, especially controlling surrounding rock of three-soft coal seam.
摘要随着煤矿开采的逐渐加深，深部高应力巷道围岩表现出典型的应变软化、破裂膨胀及流变特征。
Abstract: With the coal mine excavated deeper gradually, strain softening, swelling fracture and rheology of the rock appear around deep and high stress underground roadways.
大屯矿区姚桥煤矿进入深部开采后，出现各类非线性力学破坏现象，严重影响巷道的正常使用。
With the mining depth increase in Yaoqiao Coal mine in Datun mine area, various nonlinear mechanics damages are appeared, which can seriously affect the safety production.
随着煤矿采深的不断加大，深部软岩交岔点稳定性控制已成为煤矿开采的又一难题。
As the coal mining grows deeper and deeper, the control of the stability of the rock mass at the intersection points in great depth has become a difficult issue.
随着煤矿浅部开采已基本结束，大都转向深部开采。
As the complishment of the deep exploiting of the mine, most of them turned to be the deep exploiting.
随着煤矿浅部开采已基本结束，大都转向深部开采。
As the complishment of the deep exploiting of the mine, most of them turned to be the deep exploiting.
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