1. Professor, School of Energy and Mining Engineering, China Univ. of Mining and Technology, D11 Xueyuan Rd., Haidian District, Beijing 100083, China.
2. School of Energy and Mining Engineering, China Univ. of Mining and Technology, D11 Xueyuan Rd., Haidian District, Beijing 100083, China (corresponding author). ORCID: .
3. Associate Professor, Coal Industry Engineering Research Center of Top Coal Caving Mining, China Univ. of Mining and Technology, D11 Xueyuan Rd., Haidian District, Beijing 100083, China.