coal pillar - Globe Thesis

Keyword [coal pillar] Result: 1 - 20 \| Page: 1 of 10
1.	Simulation Studying On The Nonlinear Leakage Airflow-Coal-Heat Coupled Problems During The Spontaneous Combustion Of Porous Coal Seam Roadway Pillar
2.	Research On The Movement And Control Of "θ" Letter Type Overlying Milti-Strata Spatial Structures Of Face Surrounded By Mined Areas
3.	Study On Deformation Of Narrow Pillar Of Roadway Driving Along Next Goaf Of Full Caving Face And Its Control In Deep Coal Mine
4.	Research On The Form Mechanism Of Goaf Water And Its Waterproof Coal Pillar Dimension Problem In Coal Mine
5.	Study On The Instability Mechanism Of Key Strata Structure In Repeat Mining Of Shallow Close Distance Seams
6.	Study On The Relation Of Roof Stress Accumulation And Coal Pillar Stress Change Of The Deep Buried Coal And Influenced By Fault
7.	Overburden Failure Mechanism And Surface Movement Law Due To Sub-critical Extraction In Yanzhou Mining Area
8.	Basci Experimental Study On Long-Term Stability Of Deep Strip Coal Pillar
9.	Deformation Failure Law Of Surrounding Rock And Control Technology For Gateway With Variable Width Of The Coal Pillar In Fully-mechanized Caving Face
10.	Technical Basic Study On Cutting Seam In Mining Lane's Roof To Reduce Width Of The Coal Pillar Of Protected Lane
11.	Research On Stability Of Overlying Strata And Reasonable Waterproof Coal Pillar With Backfilling Mining In Steep Seam Under Water Body
12.	Study Of Theory And Experiment On The Small Coal Pillar Entry Retaining In Comprehensive Mechanization Caving Face
13.	The Study On Water Inrush Through Instability Faults For Caol Minging Above Confined Aquifer
14.	Test Study Of Coal' Strength & Deformation Characterstic And Application In Strip Pillar Design
15.	Study On Reasonable Parameter Of Large DIP Angle Of Fully Mechanized Coal Face Section Coal Pillar
16.	Study On Aquifer Parameters Of The Lowermost Cenozoic Unconsolidated Strata In The Banji Coalfield And Its Influence On Coal Mining Activites
17.	Testing Study On The Supporting Tunnel With Space Of Comprehensive Mechanized Coal Mining Method In The Jingyuan Mining Area And Its Application
18.	Study On The Reasonable Retainning Of The Waterproof Coal Pillar Of Steep Medium & Thick Coal Seam With Hard Roof
19.	Study On Appraisal Of Rockburst Hazard In Isolated Coal Pillar
20.	Study On Optimization Design And Destruct Monitoring Character Of Coal Pillar In Longwall Remaining Coal Pillar Support Mining
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