Rockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring

The rockburst disaster in the hard rock caused by excavation and unloading of deep underground caverns threatens the safety of engineering construction. In recent years, the microseismic monitoring technology, which can dynamically monitor the whole process of progressive failure of rock mass in rea...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Yongsong Li, Chao Zhou
Formato: article
Lenguaje:EN
Publicado: Hindawi-Wiley 2021
Materias:
Acceso en línea:https://doaj.org/article/0799cf291657485d86b5bc2676e16baa
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
id oai:doaj.org-article:0799cf291657485d86b5bc2676e16baa
record_format dspace
spelling oai:doaj.org-article:0799cf291657485d86b5bc2676e16baa2021-11-29T00:56:37ZRockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring1468-812310.1155/2021/4028872https://doaj.org/article/0799cf291657485d86b5bc2676e16baa2021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/4028872https://doaj.org/toc/1468-8123The rockburst disaster in the hard rock caused by excavation and unloading of deep underground caverns threatens the safety of engineering construction. In recent years, the microseismic monitoring technology, which can dynamically monitor the whole process of progressive failure of rock mass in real time, has been widely used in rockburst monitoring and early warning of underground engineering. In view of the slight rockburst in local surrounding rock during the excavation of underground powerhouse of Huanggou Pumped Storage Power Station, a rockburst microseismic monitoring system is constructed. And through the analysis of the temporal and spatial activity of microseisms during the monitoring period, the potential risk areas of rockbursts are identified and delineated. The monitoring results show that the microseismic system can effectively capture the blasting and microseismic signals during construction. The microseismic activity is closely related to the intensity of field blasting disturbance. The potential risk areas of rockburst are the upstream side arch shoulder and the intersection between lower drainage corridor and workshop installation room. The research results can provide technical support for later excavation and support of underground powerhouse caverns of Huanggou Hydropower Station.Yongsong LiChao ZhouHindawi-WileyarticleGeologyQE1-996.5ENGeofluids, Vol 2021 (2021)
institution DOAJ
collection DOAJ
language EN
topic Geology
QE1-996.5
spellingShingle Geology
QE1-996.5
Yongsong Li
Chao Zhou
Rockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring
description The rockburst disaster in the hard rock caused by excavation and unloading of deep underground caverns threatens the safety of engineering construction. In recent years, the microseismic monitoring technology, which can dynamically monitor the whole process of progressive failure of rock mass in real time, has been widely used in rockburst monitoring and early warning of underground engineering. In view of the slight rockburst in local surrounding rock during the excavation of underground powerhouse of Huanggou Pumped Storage Power Station, a rockburst microseismic monitoring system is constructed. And through the analysis of the temporal and spatial activity of microseisms during the monitoring period, the potential risk areas of rockbursts are identified and delineated. The monitoring results show that the microseismic system can effectively capture the blasting and microseismic signals during construction. The microseismic activity is closely related to the intensity of field blasting disturbance. The potential risk areas of rockburst are the upstream side arch shoulder and the intersection between lower drainage corridor and workshop installation room. The research results can provide technical support for later excavation and support of underground powerhouse caverns of Huanggou Hydropower Station.
format article
author Yongsong Li
Chao Zhou
author_facet Yongsong Li
Chao Zhou
author_sort Yongsong Li
title Rockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring
title_short Rockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring
title_full Rockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring
title_fullStr Rockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring
title_full_unstemmed Rockburst Inducement Mechanism and Its Prediction Based on Microseismic Monitoring
title_sort rockburst inducement mechanism and its prediction based on microseismic monitoring
publisher Hindawi-Wiley
publishDate 2021
url https://doaj.org/article/0799cf291657485d86b5bc2676e16baa
work_keys_str_mv AT yongsongli rockburstinducementmechanismanditspredictionbasedonmicroseismicmonitoring
AT chaozhou rockburstinducementmechanismanditspredictionbasedonmicroseismicmonitoring
_version_ 1718407688212185088