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A state-of-the-art review on rock seepage mechanism of water inrush disaster in coal mines
China Univ Min & Technol, Sch Mines, Xuzhou 221116, Jiangsu, Peoples R China.;China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Xuzhou 221116, Jiangsu, Peoples R China.;China Univ Min & Technol, MOE Key Lab Deep Coal Resource Min, Xuzhou 221116, Jiangsu, Peoples R China..
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering. China Univ Min & Technol, Sch Mines, Xuzhou 221116, Jiangsu, Peoples R China.ORCID iD: 0000-0001-7871-3156
China Univ Min & Technol, Sch Mines, Xuzhou 221116, Jiangsu, Peoples R China.;China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Xuzhou 221116, Jiangsu, Peoples R China.;China Univ Min & Technol, MOE Key Lab Deep Coal Resource Min, Xuzhou 221116, Jiangsu, Peoples R China..
China Univ Min & Technol, State Key Lab Geomechan & Deep Underground Engn, Xuzhou 221116, Jiangsu, Peoples R China..
2022 (English)In: International Journal of Coal Science & Technology, ISSN 2095-8293, Vol. 9, no 1, article id 50Article, review/survey (Refereed) Published
Abstract [en]

Water inrush is one of the most dangerous disasters in coal mining. Due to the large-scale mining and complicated hydrogeological conditions, thousands of deaths and huge economic losses have been caused by water inrush disasters in China. There are two main factors determining the occurrence of water inrush: water source and water-conducting pathway. Research on the formation mechanism of the water-conducting pathway is the main direction to prevent and control the water inrush, and the seepage mechanism of rock mass during the formation of the water-conducting pathway is the key for the research on the water inrush mechanism. This paper provides a state-of-the-art review of seepage mechanisms during water inrush from three aspects, i.e., mechanisms of stress-seepage coupling, flow regime transformation and rock erosion. Through numerical methods and experimental analysis, the evolution law of stress and seepage fields in the process of water inrush is fully studied; the fluid movement characteristics under different flow regimes are clearly summarized; the law of particle initiation and migration in the process of water inrush is explored, and the effect of rock erosion on hydraulic and mechanical properties of the rock media is also studied. Finally, some limitations of current research are analyzed, and the suggestions for future research on water inrush are proposed in this review.

Place, publisher, year, edition, pages
Springer Nature , 2022. Vol. 9, no 1, article id 50
Keywords [en]
Rock seepage mechanism, Water inrush, Coal mine, Stress-seepage coupling, Flow regime transformation, Rock erosion
National Category
Environmental Sciences Geochemistry
Identifiers
URN: urn:nbn:se:kth:diva-315933DOI: 10.1007/s40789-022-00525-wISI: 000824692800001Scopus ID: 2-s2.0-85134314719OAI: oai:DiVA.org:kth-315933DiVA, id: diva2:1684728
Note

QC 20220728

Available from: 2022-07-28 Created: 2022-07-28 Last updated: 2024-06-19Bibliographically approved

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Duan, Hongyu

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