The use of discrete fracture networks for modelling coupled geomechanical and hydrological behaviour of fractured rocks

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Title: The use of discrete fracture networks for modelling coupled geomechanical and hydrological behaviour of fractured rocks
Authors: Lei, Q
Latham, J-P
Tsang, C-H
Item Type: Journal Article
Abstract: We present a discussion of the state-of-the-art on the use of discrete fracture networks (DFNs) for modelling geometrical characteristics, geomechanical evolution and hydromechanical (HM) behaviour of natural fracture networks in rock. The DFN models considered include those based on geological mapping, stochastic generation and geomechanical simulation. Different types of continuum, discontinuum and hybrid geomechanical models that integrate DFN information are summarised. Numerical studies aiming at investigating geomechanical effects on fluid flow in DFNs are reviewed. The paper finally provides recommendations for advancing the modelling of coupled HM processes in fractured rocks through more physically-based DFN generation and geomechanical simulation.
Issue Date: 2-Jan-2017
Date of Acceptance: 24-Dec-2016
URI: http://hdl.handle.net/10044/1/43585
DOI: http://dx.doi.org/10.1016/j.compgeo.2016.12.024
ISSN: 1873-7633
Publisher: Elsevier
Start Page: 151
End Page: 176
Journal / Book Title: Computers and Geotechnics
Volume: 85
Copyright Statement: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article distributed under a CC-BY 4.0 license (https://creativecommons.org/licenses/by/4.0/)
Sponsor/Funder: Exxon Mobil Upstream Research Company
Natural Environment Research Council (NERC)
Commission of the European Communities
Funder's Grant Number: itf-ISF-3
NE/L000660/1
654662
Keywords: Science & Technology
Technology
Physical Sciences
Computer Science, Interdisciplinary Applications
Engineering, Geological
Geosciences, Multidisciplinary
Computer Science
Engineering
Geology
Fractured rock
DFN
Geomechanical modelling
Fluid flow
HM coupling
DISCONTINUOUS DEFORMATION ANALYSIS
SUBCRITICAL CRACK-GROWTH
STRESS-DEPENDENT PERMEABILITY
NUCLEAR-WASTE REPOSITORIES
POWER-LAW DISTRIBUTIONS
EXCAVATION DAMAGED ZONE
DISTINCT ELEMENT MODEL
FLUID-FLOW
CRYSTALLINE ROCK
NUMERICAL SIMULATIONS
Geological & Geomatics Engineering
0905 Civil Engineering
0914 Resources Engineering And Extractive Metallurgy
0915 Interdisciplinary Engineering
Publication Status: Published
Appears in Collections:Faculty of Engineering
Earth Science and Engineering



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