Overburden Migration and Failure Characteristics in Mining Shallow Buried Coal Seam with Thick Loose Layer

by Zhuhe Xu, Quansheng Li, Xiaobin Li
Published 2020-01-01

Study on Law of Overlying Strata Breakage and Migration in Downward Mining of Extremely Close Coal Seams by Physical Similarity Simulation

by Xiaobin Li, Wenrui He, Zhuhe Xu
Published 2020-01-01

The Key Stratum Structure Morphology of Longwall Mechanized Top Coal Caving Mining in Extra-Thick Coal Seams: A Typical Case Study

by Fulian He, Xiaobin Li, Wenrui He, Yongqiang Zhao, Zhuhe Xu, Quansheng Li
Published 2020-01-01