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Seismic Parameters of Mining-Induced Aftershock Sequences for Re-entry Protocol Development
Indexado
WoS WOS:000426759700005
Scopus SCOPUS_ID:85042939421
DOI 10.1007/S00024-017-1709-5
Año 2018
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



A common characteristic of deep mines in hard rock is induced seismicity. This results from stress changes and rock failure around mining excavations. Following large seismic events, there is an increase in the levels of seismicity, which gradually decay with time. Restricting access to areas of a mine for enough time to allow this decay of seismic events is the main approach in re-entry strategies. The statistical properties of aftershock sequences can be studied with three scaling relations: (1) Gutenberg-Richter frequency magnitude, (2) the modified Omori's law (MOL) for the temporal decay, and (3) BAth's law for the magnitude of the largest aftershock. In this paper, these three scaling relations, in addition to the stochastic Reasenberg-Jones model are applied to study the characteristic parameters of 11 large magnitude mining-induced aftershock sequences in four mines in Ontario, Canada. To provide guidelines for re-entry protocol development, the dependence of the scaling relation parameters on the magnitude of the main event are studied. Some relations between the parameters and the magnitude of the main event are found. Using these relationships and the scaling relations, a space-time-magnitude re-entry protocol is developed. These findings provide a first approximation to concise and well-justified guidelines for re-entry protocol development applicable to the range of mining conditions found in Ontario, Canada.

Revista



Revista ISSN
Pure And Applied Geophysics 0033-4553

Métricas Externas



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Disciplinas de Investigación



WOS
Geochemistry & Geophysics
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 VALLEJOS-MASSA, JAVIER ANDRES Hombre Universidad de Chile - Chile
Advanced Mining Technology Center - Chile
2 ESTAY-HUIDOBRO, RODRIGO ANDRES Hombre Universidad de Chile - Chile
Universidad Técnica Federico Santa María - Chile
Advanced Mining Technology Center - Chile

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Financiamiento



Fuente
WSIB (Workplace Safety and Insurance Board)
MASHA Ground Control Committee (Mines and Aggregates Safety and Health Association)
Workplace Safety and Insurance Board
MASHA Ground Control Committee

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
The re-entry protocol project was identified and supported by the MASHA Ground Control Committee (Mines and Aggregates Safety and Health Association) and funded by the WSIB (Workplace Safety and Insurance Board). The authors wish to acknowledge the permission of the mines to use their data and publish this work. We thank the reviewers for the helpful corrections that helped to improve this work. R.E. wants to thank Patricia Otaiza and Jorge Pascual for their assistance in correcting and translating the text.
The re-entry protocol project was identified and supported by the MASHA Ground Control Committee (Mines and Aggregates Safety and Health Association) and funded by the WSIB (Workplace Safety and Insurance Board). The authors wish to acknowledge the permission of the mines to use their data and publish this work. We thank the reviewers for the helpful corrections that helped to improve this work. R.E. wants to thank Patricia Otaíza and Jorge Pascual for their assistance in correcting and translating the text.

Muestra la fuente de financiamiento declarada en la publicación.