Numerical simulation and experimental study on floor failure mechanism of typical working face in thick coal seam in Chenghe mining area of Weibei, China

Keyphrases

• Numerical Simulation 100%
• China 100%
• Failure Mechanism 100%
• Floor Failure 100%
• Mining Area 100%
• Working Face 100%
• Thick Coal Seam 100%
• Water Pollution Accident 66%
• Water Pressure 66%
• Mining Height 66%
• Confined Water 33%
• Displacement Field 33%
• Simulation Calculation 33%
• Law 33%
• Maximum Range 33%
• Stress Field 33%
• Multipoint 33%
• Field Distribution 33%
• Plastic Zone 33%
• Pressure Rise 33%
• Field Displacements 33%
• Relative Displacement 33%
• Evolution Characteristics 33%
• Coal Mining 33%
• Safe Drinking Water 33%
• Field Test Method 33%
• Progressive Failure 33%
• Saddle Shape 33%
• Coal Seam 33%
• Hydrogeological Conditions 33%
• Coal Measures 33%
• Control Countermeasures 33%
• Disaster Control 33%
• Failure Depth 33%
• Geological Background 33%
• Failure Depth of Coal Seam Floor 33%
• Floor Failure Depth 33%
• Floor Strata 33%
• Mining Surfaces 33%
• Mining Face 33%
• Surface Consistent 33%
• Ordovician Limestone Water 33%
• Aquifuge 33%
• Coal Seam Roof 33%
• Displacement Meter 33%
• Simulation Test Method 33%
• Coal Seam Floor 33%
• Distribution Law 33%
• Coal Seam Mining 33%
• Weibei Coalfield 33%
• Water-conducting Fracture Zone 33%
• Support Pressure 33%
• Engineering Geological Characteristics 33%
• Pressure Arch 33%
• Goaf 33%
• Floor Deformation 33%

Earth and Planetary Sciences

• Failure Mechanism 100%
• Experimental Study 100%
• China 100%
• Coal Seam 100%
• Coal Mine 60%
• Water Pressure 40%
• Field Test 20%
• Ordovician 20%
• Fracture Zone 20%
• Overburden 20%
• Coal Measure 20%
• Lignite Mining 20%

Engineering

• Failure Mechanism 100%
• Coal Seam 100%
• Coal Mine 60%
• Engineering 20%
• Stress Field 20%
• Displacement Field 20%
• Field Distribution 20%
• Test Method 20%
• Failure Process 20%
• Field Measurement 20%
• Plastic Zone 20%
• Pressure Increase 20%
• Separated Layer 20%
• Relative Displacement 20%
• Confined Water 20%
• Field Test 20%
• Progressive Failure 20%
• Overburden 20%
• Coal Mining 20%
• Arch 20%