1) tunnel in deep coal seam
沿煤巷道
2) coal heading
沿煤层巷道
3) goaf-side entry
沿空煤巷
1.
Numerical simulation on deformation evolvement of goaf-side entry with different roof supports at fully-mechanized top-coal caving face
综放沿空煤巷不同支护方式围岩变形演化规律的数值模拟
5) roadway along gob area
沿空巷道
1.
Study on depressurizing control of the surrounding rock of a roadway along gob area in sub-level caving mining;
综放沿空巷道围岩卸压控制研究
6) gob-side entry
沿空巷道
1.
Analysis on shearing deformation of bolt in sidewall of gob-side entry for fully mechanized top coal caving mining face;
综放沿空巷道帮锚杆剪切变形分析
2.
Coupling support technology for gob-side entry at depth in Nantun Coal Mine;
南屯煤矿深部沿空巷道耦合支护技术
3.
Aimed at the severe deformation of surrounding rock of gob-side entry on insular face or the unstable of small coal pillar induced by dynamic pressure in mining,the stability of the gob-side entry with small coal pillar on insular face was studied by numerical calculation,physical simulation experiment and in-situ test.
针对煤矿孤岛面沿空巷道在采矿动压的作用下巷道围岩出现大变形或小煤柱失稳的现象,通过数值计算、物理模拟实验、现场工业性试验等方法对孤岛面小煤柱沿空巷道稳定性进行了系统的研究。
补充资料:标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
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