Safety in Coal Mines Articles

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1Study on the Gas Drainage Width Around Seam Roadway1-4

2The Influence of Coal Consistent Coefficiet on Gas Migration5-8

3Numerical Simulation on Effective Influence Radius of Hydraulic Flushing Borehole9-12

4Optimization of Nozzle Axis Spacing in Hydraulic Slotting Based on Fluent13-16

5Mining Deformation Laws and Control Technology of Roof Gas Tail Roadway17-19

6Gas Safety and Its Maximum Allowable Oxygen Content Experiment Study of the UCG20-22,26

7Numerical Simulation of Effective Extraction Influence Radius of Soft and Hard Coal Under Different Negative Pressure23-26

8Study on Numerical Simulation and Bolt Grouting Mechanism of Mine Fracture Rock Masses27-30

9Numerical Simulation of Crack Extension Laws of Hydraulic Fracturing30-33

10Theoretical Research on Catching Dusts with Atomizing Air in the Coal Seam Drilling34-36

11Study on Transmissivity of Shattered Fault Zone Under Ground Pressure37-40

12Pumping Test on the Karstic Fissure Water in Luotuoshan Coal Mine41-44

13Numerical Simulation of Surrounding Rock Stability in the Excavation Roadway with Trapezoidal Section45-47

14Experimental Study on Mechanical Properties of Coal Under Repeated Loading48-50

15Research on Mine Earthquake Mechanism and Vibration Signal Characters in the Fault51-53

16Applications Study of Lining Test of New Composite Material Network54-56

17Relationship Among Gas Expansion Energy and Gas Pressure and Initial Speed of Methane Diffusion57-60

18Mining Technology Practice Under Complex Geologic Structure Working Face60-63

19Optimized Technology of High Level Boreholes Gas Drainage Parameters64-67

20Control Techniques of Open Air Leakage in Stope Face Goaf68-70