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Keyword [Coal pillars]
Result: 61 - 72 | Page: 4 of 4
61.
Study On Creep Failure Mechanism And Stability Evaluation Of Strip Coal Pillar Under Water Immersion Condition
62.
Reasonable Staggered Distance Of Thick Coal Seam And Co-mining Working Face And Reserved Coal Pillars In Sections Technical Research
63.
Feasibility Study On Mining Of 7
2
11 Working Face Under Aquifer In Jiegou Coal Mine
64.
Coal Physical And Mechanical Characteristics Tests And The Protective Coal Pillars Failure Study
65.
Research On The Determination And Control Technology Of Narrow Coal Pillars In Gob-side Driving In Limin Coal Mine
66.
Study On The Stability Of Coal Pillars In The Main Roadway In The Island Working Face Of Shallow Buried Coal Seam
67.
Study On Overburden Failure Law Of Self-formed Roadway Without Coal Pillars Based On Microseismic Monitoring Technology
68.
33 Feasibility Study And Evaluation Of Mining Under Red Bed In Mining Areas
69.
Deformation And Failure Lows Of Coal Pillars And Joint Control Technology In Soft And Thick Coal Seam
70.
Optimization Design And Stability Study Of Protected Coal Pillars In Yuchang Coal Industry Return Air Shaft
71.
Evolution Of Mining Induced Stresses Within The Coal Protective Pillar And The Transport Characteristics Of Leaked Methane In Co-Extraction Of Coal And Deep Natural Gas
72.
Study On Overburden Migration Law Of Paste Filling Recovery Strip Coal Pillar
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