煤柱影响下被保护层开采应力演化特征数值模拟研究
刘宜平, 朱恒忠, 殷帅峰
Numerical simulation study on the evolution characteristics of mining stress for protected layer under the influence of coal pillar
煤炭工程 . 2020, (9): 99 -105 .  DOI: 10.11799/ce202009020