1) width of chain pillar
护巷煤柱宽度
2) chain pillar
护巷煤柱
1.
Controlling of rock burst in chain pillars between hydraulic mining face and drying mining face;
水旱交接处护巷煤柱冲击矿压控制
3) wide coal pillar protectingtheroadway
大煤柱护巷
4) Protection roads without pillars
无煤柱护巷
5) narrow pillar drift
小煤柱护巷
1.
According to the action of cantilever rock seam on the overly- ing strata of coal body, the paper analyses the distribution rule of abutment pressure and the theoretical basis of narrow pillar drift and exploies the sup- port type of drifts in inclined and steep inclined coal seam under the condi- tion of narrow pillar drift.
从悬伸岩层对煤体上覆岩层作用的角度,分析了支承压力分布规律的形成和小煤柱护巷的理论依据,并对小煤柱护巷条件下急倾斜与倾斜煤层中巷道的支护方式进行了一定程度的探讨。
6) coal pillar width
煤柱宽度
1.
the Study and apply of the coal pillar width Parameter in along stull tunnel;
沿空巷道煤柱宽度参数的研究与应用
2.
Influenced of coal pillar width on deformation and fracture of gateway surrounding rocks in fully mechanized top-coal caving mining;
煤柱宽度对综放回采巷道围岩破坏场影响分析
3.
Effect of coal pillar width on the stress distribution law of surrounding rocks in fully mechanized top-coal caving mining face;
煤柱宽度对综放面围岩应力分布规律影响
补充资料：半煤岩巷掘进
见煤巷掘进。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条