LAPSE:2019.0554
Published Article
LAPSE:2019.0554
The Effects of Backfill Mining on Strata Movement Rule and Water Inrush: A Case Study
Jian Hao, Yongkui Shi, Jiahui Lin, Xin Wang, Hongchun Xia
May 16, 2019
Backfill mining is widely used to control strata movement and improve the stress environment in China’s coal mines. In the present study, the effects of backfill mining on strata movement and water inrush were studied based on a case study conducted in Caozhuang Coal Mine. The in-situ investigation measured abutment pressure distribution (APD), roof floor displacement (RFD), and vertical stress in the backfill area. Results are as follows: (i) The range and peak of APD, RFD, and vertical stress in the backfill area are smaller than in traditional longwall mining with the caving method. (ii) Backfill mining could change the movement form and amplitude of overburden and improve the ground pressure environment. (iii) Floor failure depth (FFD) is much smaller in backfill mining. Backfill mining can be an effective method for floor water inrush prevention.
Keywords
backfill mining, floor failure depth, ground pressure, strata movement, water inrush prevention
Subject
Suggested Citation
Hao J, Shi Y, Lin J, Wang X, Xia H. The Effects of Backfill Mining on Strata Movement Rule and Water Inrush: A Case Study. (2019). LAPSE:2019.0554
Author Affiliations
Hao J: State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China; Shandong Tai’an Huaining Group, Taian 271400
Shi Y: State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China
Lin J: State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China
Wang X: State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China
Xia H: College of Civil and Architectural Engineering, Dalian University, Dalian 116622, China
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Journal Name
Processes
Volume
7
Issue
2
Article Number
E66
Year
2019
Publication Date
2019-01-29
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr7020066, Publication Type: Journal Article
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LAPSE:2019.0554
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doi:10.3390/pr7020066
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May 16, 2019
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CC BY 4.0
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[v1] (Original Submission)
May 16, 2019
 
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May 16, 2019
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Original Submitter
Calvin Tsay
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