Rockburst Evolutionary Process and Energy Dissipation Characteristics

Inbunden, Engelska, 2019

Av Dazhao Song, Xueqiu He, Enyuan Wang, Zhenlei Li, Jie Liu

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This book investigates the evolution process of rockburst based on the energy dissipation theory and proposes appropriate active prevention and control technologies. It discusses the electromagnetic radiation (EMR) generated by coal rock fractures as a measurement of the amount of dissipated energy, and the use of EMR to experimentally observe the time domain characteristics of energy dissipation during coal rock failure processes. It then proposes the concept of the rockburst activity domain system (RADS), establishes a dynamic pressure model of rockburst, and describes the energy criterion for rockburst instability. Lastly, it presents two waterjet cutting-based cases of pressure relief and rockburst prevention. The book serves as a reference resource for mine safety workers, engineering technicians, scientists, graduate students and undergraduates engaged in research on dynamic hazards such as rockburst..

Produktinformation

Utgivningsdatum2019-05-07
Mått155 x 235 x undefined mm
FormatInbunden
SpråkEngelska
Antal sidor248
FörlagSpringer Verlag, Singapore
ISBN9789811362781
OriginaltitelRockburst Evolutionary Process and Energy Dissipation Characteristics

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Dazhao Song is an Associate Professor in School of Civil and Resource Engineering, University of Science and Technology Beijing. He received PhD in Safety Technology and Engineering from China University of Mining and Technology. Dr. Song's research focuses on the mechanism of coal/rock dynamic hazards in underground space, the theory and technology of monitoring and early warning. He has made achievements in the electromagnetic radiation effects of coal/rock dynamic hazards in underground works with dozens of research papers published. He serves as the secretary of International Committee on Mine Safety Science and Engineering (ICMSSE), and is selected for the Beijing Nova Programme 2018. Xueqiu He is a professor in Safety Science and Engineering Department in University of Science and Technology Beijing, and a Visiting Professor in McGill University, Canada. He is the chairman of the International Committee of Mine Safety Science and Engineeringand has chaired the 1st, 2nd and 3rd International Symposium on Mine Safety Science and Engineering. He also serves as an editorial board member for journals such as Journal of China Coal Society. Prof. He’s research interest includes: safety science laws, coal mine safety, coal and rock dynamic hazards monitoring and prevention. He has published a dozen of monographs on these topics.Enyuan Wang is currently dean of the School of Safety Engineering in China University of Mining and Technology, and deputy director of the State Key Laboratory of Coal Resources and Safe Mining. He is a member of the Rockburst Special Committee of China Coal Industry Technical Committee, and China Coal Society’s Coal Mine Dynamic Disaster Prevention Committee. His research mainly focuses on coal mine dynamic hazards monitoring and early warning. He has published 5 monographs and 168 journal papers.Zhenlei Li holds a Ph.D. degree from China University of Mining and Technology. He is now a lecturer in the Department of Safety Science and Engineering in University of Science and Technology Beijing. His research focuses on the mechanism of rock burst hazard. He is a member of the Chinese Society for Rock Mechanics and Engineering, and a member of China Coal Society.Dr. Jie Liu is an Associate Professor of Safety Science and Engineering Department in Qingdao University of Technology. He majors in gas dynamic hazard prevention in coal mines. His current research is sponsored by National Natural Science Foundation of China. He has published more than 10 journal papers.

Introduction.- Deformation and failure mechanism and energy conversion of coal/rock.- Time domain characteristics of energy dissipation of coal/rock in its damage process.- Spatiotemperal evolution of RADS based on energy dissipation of coal/rock.- Model for dynamic-pressure-typed rock burst evolution of RADS.- Evolution of stress field and energy field of MRADS through pressure-relief by water jet cutting.- Field verification of stress and energy fields evolutions in MRADS during pressure relief by water jet cutting.- Summary and prospect of the book.