The numerical analysis of fault-induced mine water inrush using the extended finite element method and fracture mechanics

Zhou, Qinglong and Herrera Herbert, Juan and Hidalgo López, Arturo (2018). The numerical analysis of fault-induced mine water inrush using the extended finite element method and fracture mechanics. "Mine water and the environment", v. 37 (n. 1); pp. 185-195. ISSN 1025-9112. https://doi.org/10.1007/s10230-017-0461-5.

Description

Title: The numerical analysis of fault-induced mine water inrush using the extended finite element method and fracture mechanics
Author/s:
  • Zhou, Qinglong
  • Herrera Herbert, Juan
  • Hidalgo López, Arturo
Item Type: Article
Título de Revista/Publicación: Mine water and the environment
Date: 2018
ISSN: 1025-9112
Volume: 37
Subjects:
Faculty: E.T.S.I. de Minas y Energía (UPM)
Department: Ingeniería Geológica y Minera
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Fault activation caused by construction, earthquakes, or mining can produce disastrous water-inrush episodes in underground mines. Fault activation is generally caused by stress concentration at the fault tip, so in this study, a computational model of a typical underground stope with a hidden fault was established for quantitatively assessing the magnitude of the stress concentration of the stress fields of the fault-tip. Numerical simulation was performed using the extended finite element method and fracture mechanics. The stress intensity factors, which represent the magnitude of the stress concentration, were obtained using the interaction integral method to quantitatively evaluate the tip fields and to assess the possibility of fault activation. The mining depth, fluid pressure, fault dip, and fault length were analyzed to determine their effect on fault activation. In addition, the advance of a working face was simulated in the same computational model to determine whether underground mining would cause fault activation.

More information

Item ID: 50170
DC Identifier: http://oa.upm.es/50170/
OAI Identifier: oai:oa.upm.es:50170
DOI: 10.1007/s10230-017-0461-5
Official URL: https://link.springer.com/journal/10230
Deposited by: Memoria Investigacion
Deposited on: 17 May 2018 07:32
Last Modified: 17 May 2018 07:32
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