Field survey on the evolution of main ground cracks under condition of forced hard roof caving in mining ultra-thick coal seams under shallow overburden

The Yellow River Basin is an important ecological barrier and also an important coal base concentration area in China. The contradiction between ecological protection and coal mining is prominent. Under the conditions of typical shallow overburden, extra-thick coal seam and hard roof in the Northern...

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Bibliographic Details
Published in:Meitan xuebao
Main Authors: Pengfei WANG, Yifan NIU, Kehang CHEN, Jianli ZHANG, Mengnan GAO, Yang YU
Format: Article
Language:Chinese
Published: Editorial Office of Journal of China Coal Society 2023-10-01
Subjects:
shallow overburden
extra-thick coal seam
thin topsoil
hard roof
ground fractures
Online Access:http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2022.1651

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http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2022.1651

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