Stability Evaluation on Surrounding Rocks of Underground Powerhouse Based on Microseismic Monitoring
Joint Authors
Xu, Nuwen
Dai, Feng
Li, Biao
Zhu, Yongguo
Xiao, Peiwei
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-03-30
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
To study the stability of underground powerhouse at Houziyan hydropower station during excavation, a microseismic monitoring system is adopted.
Based on the space-time distribution characteristics of microseismic events during excavation of the main powerhouse, the correlation between microseismic events and blasting construction is established; and the microseismic clustering areas of the underground powerhouse are identified and delineated.
The FLAC3D code is used to simulate the deformation of main powerhouse.
The simulated deformation characteristics are consistent with that recorded by microseismic monitoring.
Finally, the correlation between the macroscopic deformation of surrounding rock mass and microseismic activities is also revealed.
The results show that multiple faults between 1# and 3# bus tunnels are activated during excavation of floors V and VI of the main powerhouse.
The comprehensive method combining microseismic monitoring with numerical simulation as well as routine monitoring can provide an effective way to evaluate the surrounding rock mass stability of underground caverns.
American Psychological Association (APA)
Dai, Feng& Li, Biao& Xu, Nuwen& Zhu, Yongguo& Xiao, Peiwei. 2015. Stability Evaluation on Surrounding Rocks of Underground Powerhouse Based on Microseismic Monitoring. Shock and Vibration،Vol. 2015, no. 2015, pp.1-9.
https://search.emarefa.net/detail/BIM-1078398
Modern Language Association (MLA)
Dai, Feng…[et al.]. Stability Evaluation on Surrounding Rocks of Underground Powerhouse Based on Microseismic Monitoring. Shock and Vibration No. 2015 (2015), pp.1-9.
https://search.emarefa.net/detail/BIM-1078398
American Medical Association (AMA)
Dai, Feng& Li, Biao& Xu, Nuwen& Zhu, Yongguo& Xiao, Peiwei. Stability Evaluation on Surrounding Rocks of Underground Powerhouse Based on Microseismic Monitoring. Shock and Vibration. 2015. Vol. 2015, no. 2015, pp.1-9.
https://search.emarefa.net/detail/BIM-1078398
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1078398