Experimental Investigation on Crack Development Characteristics in Shallow Coal Seam Mining in China

The development of cracks in mining is the scientific basis for the safety and environmental exploitation of shallow multiple-seam. According to the “thickness of coal seam, interactive distance, and buried depth,„ four mining coal mines are selected in Shen Fu-Dong Sheng coalfie...

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Bibliographic Details
Main Authors: Qingxiang Huang, Yanpeng He, Jian Cao
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/12/7/1302