Research on Catastrophic Pillar Instability in Room and Pillar Gypsum Mining
Gypsum mines in China are mostly exploited through room and pillar mining. Due to backward mining technology and a long history of mining, a great number of pillars were left in gypsum mines. Many serious work safety accidents occurred as the result of goaf instability in history, which posed severe...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-10-01
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Series: | Sustainability |
Subjects: | |
Online Access: | http://www.mdpi.com/2071-1050/10/10/3773 |