Investigation on instability mechanism and control of abandoned roadways in coal pillars recovery face: A case study

Investigation on instability mechanism and control of abandoned roadways in coal pillars recovery face: A case study

The abandoned roadways (ARs) in front of the longwall face catastrophic instability will seriously hamper mining progress, which is a complicated process related to the stress environment, the roadway section, and the mechanical properties of the surrounding rock. The cusp catastrophe theory is empl...

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Bibliographic Details
Main Authors: Dong Zhang, Jianbiao Bai, Rui Wang, Min Deng, Shui Yan, Qiancheng Zhu, Hao Fu
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2025-02-01
Series:Underground Space
Subjects:
Abandoned roadways
Instability mechanism
Cusp catastrophe theory
Pier column support
Hydraulic fracture
Online Access:http://www.sciencedirect.com/science/article/pii/S2467967424000801
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