Dynamic failure risk of coal pillar formed by irregular shape longwall face: A case study

Keyphrases

• Failure Risk 100%
• Dynamic Failure 100%
• Irregular Shape 100%
• Longwall Face 100%
• Working Face 100%
• Coal pillar 100%
• Tremor 57%
• Static Stress 57%
• Dynamic Stress 57%
• Surrounding Rock 42%
• Stress Zone 28%
• Stress Increase 28%
• High Energy 14%
• Peak Stress 14%
• Numerical Results 14%
• Dynamic Stressing 14%
• Loading Conditions 14%
• Numerical Modeling 14%
• Mining Activities 14%
• Residual Stress 14%
• Average Energy 14%
• Modeling Results 14%
• Stress Decrease 14%
• Stress Concentration 14%
• Impact Loading 14%
• Elastic Energy 14%
• Overlapping Impact 14%
• Energy Release 14%
• Stress Transfer 14%
• Vertical Stress 14%
• Frequency Energy 14%
• High Dynamic 14%
• Mining Face 14%
• Inner Zone 14%
• Field Case Study 14%
• Overlap Method 14%
• Chinese Coal Mine 14%
• High Stress Concentration 14%

Engineering

• Dynamic Stress 100%
• Irregular Shape 100%
• Case Study 100%
• Stress Concentration 50%
• Peak Stress 25%
• Peak Value 25%
• Impact Loads 25%
• Loading Condition 25%
• Numerical Modeling 25%
• Field Case 25%
• Residual Stress 25%
• Elastic Energy 25%
• Coal Mine 25%
• Stress Transfer 25%

Material Science

• Stress Concentration 100%
• Residual Stress 50%
• Impact Loads 50%
• Stress Transfer 50%