Thus, the surrounding rock control in roadway roof and shoulder needs strengthening in deep tectonic regions.
深部构造区域巷道应加强顶板与肩角围岩控制。
The phenomenon of underground pressure and principle of surrounding rock control of deep shaft coal roadway are introduced.
分析深井煤层巷道围岩变形特征和支护失效的原因,提出此类巷道的内外结构耦合平衡支护原理。
The results show that similar simulation results are reliable and provide some theory bases for surrounding rock control in full-mechanized caving mi…
结果表明,相似材料模拟结果比较可靠,为综放采场围岩控制提供一定的理论依据。
On the basis of theoretically understanding of fly rock control, some concrete measures for fly rock control in bench blasting are proposed.
在获得飞石控制的定性概念基础上,提出了台阶爆破中飞石控制的具体措施。
The northeastward Xiangshui fault zone in this area is the main rock-control and ore-control structure.
区内北东向响水断裂带是主要的控岩和控矿构造。
The northeastward Xiangshui fault zone in this area is the main rock-control and ore-control structure.
区内北东向响水断裂带是主要的控岩和控矿构造。
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