Proceedings of the 1st International Conference on Discrete Fracture Network Engineering
19-22 October 2014, Vancouver, BC, Canada
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Special Plenary Session: DFNE and Key Developments
Effective elastic properties of 3D fractured systems
R. Le Goc, C. Darcel, P. Davy, M. Pierce, M.A. Brossault
Relationship between Isotropic Fracture Network Permeability Calculated in 2D and 3D
P.S. Lang, A. Paluszny, R.W. Zimmerman
Realistic pipe models for flow modelling in Discrete Fracture Networks
C. Xu, C. Fidelibus, P.A. Dowd
Development and demonstration of algorithms for conditional simulation of discrete fracture networks
T. Bym, A. Fox, N. Josephson
Comparison between “Poissonian” and “mechanically-oriented” DFN models for the prediction of permeability and flow channeling
J. Maillot, P. Davy, J.R. de Dreuzy, R. Le Goc, C. Darcel
Discrete fracture network modelling using Coltop3D for rockfall potential assessment at Glacier Point, Yosemite Valley
M. Grenon, B. Matasci, M. Jaboyedoff, G.M. Stock
Experience with the development and use of a simple DFN approach over a period of 30 years
T.R. Stacey, R. Armstrong, P.J. Terbrugge
Fundamentals: Characterization
It’s Time to Overcome Our Addiction to Stress
G.D. Couples
To DFN or not to DFN – A Question of Circumstances
J.I. Mathis
Best practice and new technology in core drilling, logging and fracture analysis
J.L. Orpen
Estimation of the orientation uncertainty for fractures measured in cored boreholes and implications for the inference of DFN models
Martin Stigsson, Raymond Munier, Johan Nissen, Olle Olsson
Estimation of Rock Block Size Distribution for Determination of Geological Strength Index (GSI) using Discrete Fracture Networks (DFNs)
B.-H. Kim, R.L. Peterson, T. Katsaga, M.E. Pierce
Constraining DFN characteristics for deep geothermal projects by considering the effects of fractures on stress variability
B. Valley, M.R. Jalali, M. Ziegler, K.F. Evans
A possible correlation between transmissivity of deformation zones in sparsely fractured crystalline rock and in situ stress
S. Follin, M. Stigsson
Methods for using photogrammetry in the generation of discrete fracture networks for block size estimation
C. Palleske, C. Kennedy, D.J. Hutchinson, M.S. Diederichs
Identification and Characterization of Discontinuities using Advanced InSAR Techniques
G. Falorni, B. Macdonald, J.P Iannacone, F. Novali
Aperture Controlled Grouting Case Study – Benefits of the Discrete Fracture Network Approach
Trevor Carter , Vafa Rombough, Mike Jefferies, William Dershowitz
Groundwater in Fractured Rock
High Resolution Straddle Packer Testing Approach For Improved DFN Characterization
P.M. Quinn, B.L. Parker, J.A. Cherry
Hydro-Mechanical Behaviour of Rough-Walled Fractures under Shear Offset: A 3-D Numerical Investigation
A. Hosseinian, E. Eberhardt, M. Bustin
Coupled FEMDEM-DFN model for characterising the stress-dependent permeability of an anisotropic fracture system
Q. Lei, J.-P. Latham, J. Xiang, P. Lang
Use of DFN Concepts in Understanding Hillslope Drainage in Fractured Rock
D.M. Reeves, R. Parashar, G. Pohll, R. Carroll
Modeling Flow in Naturally Fractured Reservoirs: Effect of Fracture Aperture Distribution on Critical Sub-Network for Flow
J. Gong, W.R. Rossen
Optimization of hydraulically active fracture identification using active DTS in sealed boreholes
T.I. Coleman, B.L. Parker, J.A. Cherry
A family of methods with arbitrary meshes for DFN flow simulations
Matias Benedetto, Stefano Berrone, Sandra Pieraccini, Stefano Scialo, Fabio Vicini, Corrado Fidelibus
Conditioning DFN models using fracture mapping and hydraulic measurements in underground openings
L.J. Hartley, P. Appleyard, S.J. Joyce, C.P. Jackson, J.-O. Selroos, S. Follin
Temporary Sensor Deployments: a Method for Improved Insight into Hydraulic Variations and Design of Permanent Multilevel Installations
P.E. Pehme, S.W. Chapman, B.L. Parker, J.A. Cherry
Fundamentals: Uncertainty and Reliability
Assisted mapping of planar features in rock masses
G. Krahenbuhl, M.K. Elmouttie, G.V. Poropat
Effect of heterogeneity of ensemble fracture parameters on mass transport properties
Masahiro Uchida, Hiroki Hayashi, Shinichi Hosoya, Hitoshi Takano, Kazusige Suzuki, Shunji Sugi, Miyoshi Yoshimura
Characterisation of fracture network realisations for hydrogeological and geomechanical modeling
M.K. Elmouttie, B. Poulsen, G. Krahenbuhl, G.V. Poropat
Considerations for fracture network characterization bias imposed by long open boreholes
J.R. Meyer, B.L. Parker
Groundwater Contamination in Fractured Rock
Influence of Fracture Network Characteristics on Plume Transport in Fractured Sedimentary Rock
B.L. Parker, S.W. Chapman, J.A. Cherr
Improved Resolution for Characterization of Hydraulic Active Fractures in a Dolostone Aquifer Using Heat and Contaminants as Tracers
C.H. Maldaner, T. Coleman, B.L. Parker, J.A. Cherry
Investigating Groundwater – Surface Water Interaction in Bedrock Rivers using a Field-Focused DFN Approach
C.S. Kennedy, B.L. Parker, C.M. Steelman, J.A. Cherry
Combined EPM-DFN Modeling Approach for Plumes in Sedimentary Bedrock Aquifers
S.W. Chapman, B.L. Parker, J.A. Cherry, P. Martin, D. Abbey, S.D. McDonald
Special Plenary Session: DFNE and Energy Resources
Investigation of the Effects of Natural Fractures and Faults on Hydraulic Fracturing in the Montney Formation, Farrell Creek Gas Field, British Columbia
Steve Rogers, Pat McLellan, Gordon Webb
Integration of Three-dimensional Discrete Fracture Network in Numerical Modelling of Hydraulic Treatments
T. Katsaga, A. Riahi, B. Damjanac
Microseismic expression of natural fracture activation in a tight sand reservoir
David W. Eaton, Aamir Rafiq, Per Pedersen, Mirko van der Baan
Application of fracture modelling in a fold-and- thrust belt; an analogue for folded tight reservoirs
H. Watkins, C.E. Bond, R.W.H. Butler, D. Healy
Simulation of Hydraulic Fracturing in the Bakken Formation, Southeast Saskatchewan, Canada
M. Gorjian, C.D. Hawkes
History Matching and Uncertainty Quantification of Discrete Fracture Network Models in Fractured Reservoirs
S. Nejadi, J.J. Trivedi, J. Leung
Strategies for Constraining Fracture Intensity in Full-Field Fractured Reservoir DFN Models
P.R. La Pointe
Energy Resources I
Investigating the Mechanisms and Time-Scale of Imbibition During Hydraulic Fracturing Flow-Back Operation in Tight Reservoirs
Mingyuan Wang, Juliana Y. Leung
2D Discrete Element Modeling and Experimental Results of Proppant Embedment into Fracture Rock Walls
E.D. Mattson, H. Huang, X. Li, H. Lopez
Evaluation of the Impact of Scale in the Well Test Behaviour of Fissured Reservoirs (Single-Phase)
A. Lopez-Marmolejo, A.C. Gringarten, J.W. Cosgrove, T.W. Doe
Numerical study of persistent and non-persistent discontinuities in the HF/NFR system using a 2D DEM model
A. Pirayehgar, M.B. Dusseault
Robust Mini-Fracturing/DFIT Modeling and Analysis Using Semi-Analytical Strategy
G. Zhao, C. Su, Y. Yuan
Understanding Elm Coulee Bakken Production Variability with Discrete Fracture Networks
S.J. Borglum, D.K. Reichhardt, B.J. Todd
An Embedded Fracture Modeling Framework for Fluid Flow, Geomechanics, and Fracture Propagation
J.H. Norbeck, R.N. Horne
Assigning Fracture Stiffness from In-Situ Deformation Measurements
J. Thorn, A. Fransson
Model-based Type Curves for Horizontal Wells with Multi-staged Hydraulic Fractures
G. Zhao, L. Xiao, M. Liu, C. Su, Z. Chen, K. Hu
Fundamentals: Numerical Modelling
DFN Modelling for Tunnel Design in the Ashfield Shale of the Sydney Basin
F.M. Weir, M. Fowler, A. de Ambrosis
Digital data acquisition for effective modeling of rock slope behavior
M. Havaej, J.S. Coggan, D. Stead
3D Geometrical modeling of folded layers: a case study from lead and zinc mine of Anjire, Isfahan, Iran
A.R. Fereshtenejad, M.K. Afshari, A.R. Yarahmadi Bafghi, A. Laderian, H. Safaei, J.J. Song
Effect of Joint Shear Strength Variability on Stepped-Planar Rock Slope Failure Mechanisms
Wenbo Zheng, Dwayne D. Tannant, Elham Shamekhi
Design of Rock Foundation Anchorage Using Discrete Fracture Networks
B. Panton, D. Elmo, J. Carvalho, P. Schlotfeldt
The effect of a weak foundations rock joint on the stability of a concrete gravity dam
Y.M. Alshkane, A.M. Marshall, L.R. Stace
A modified discrete fracture network approach for geomechanical simulation
J.M. Mayer, P. Hamdi, D. Stead
Tessellations stable under iteration: Evaluation of application as an improved stochastic discrete fracture modeling algorithm
L.J. Mosser, S.K. Matthai
Understanding Critical Parameters in Stochastic Discrete Fracture Networks
A. Vakili, R. Teet, K. Woo, A. de Veth, A. Penney
Energy Resources II
Characterization of fractured crystalline rock: two Swedish in situ field experiments
A. Fransson, J. Funehag, J. Thorn, T. Lehtimaki, A. Sjoland, P. Vidstrand, M. Akesson
Numerical modeling of hydraulic stimulation in geothermal resources: a two-scale characterization
T. Guillon, S. Gentier, A. Blaisonneau, X. Rachez
The value of hydrogeological DFN modeling in support of site description and safety assessment for a spent nuclear fuel repository at Olkiluoto, Finland
L.J. Hartley, J. Hoek, S.J. Baxter, L. Koskinen
Coupled THMC modelling of a single fracture in novaculite for DECOVALEX-2015
A.E. Bond, N. Chittenden, R. Fedors, P.S. Lang, C. McDermott, I. Neretniecks, P.Z. Pan, J. Sembera, N. Watanabe, H. Yasuhara
Including variability into a quantitative DFN modeling approach – application to SKB sites.
C. Darcel, R. Le Goc, P. Davy, I. Olofsson
Slope Stability
The use of remote sensing for discontinuity mapping and analysis in a large marble quarry, Carrara, Italy
R. Salvini, R. Giovannini, C. Vanneschi, S. Riccucci, M. Francioni, D. Stead, D. Gulli
Analysis of a Complex Rock Slope Instability with a Stepped Failure Surface using Discrete Fracture Network Models
A. Wen, M. Sturzenegger, D. Stead
Application of digital photogrammetry techniques using scanned aerial photographs to characterize landform-scale engineering structural features
Gabriel Hensold, Jack Stratton, Jon Foster
Laser scanning solutions for geotechnical applications
J. Richards
Rainfall-induced and structurally-controlled powerful rockfalls and slope failures incidents along a problematic part of Al-Hada descent road and remedial measures
B.H. Sadagah, M.S. Aazam, A. Al-Amri, A. Al-Harbi, O. Al-Hoseiny
Poster Session
Investigation of hydro-geometric and permeability anisotropies of fractured rock mass
F. Ren, G.W. Ma
Dynamic Propagation of Hydraulic Fracture Branching in Shale Gas Reservoirs
Bing Hou, Mian Chen, Jing Ma, Haifeng Zhao, Yonghui Wang
Investigation of Hydraulic Fracture Propagation in Naturally Fractured Shale Reservoirs Based on Displacement Discontinuity
Bing Hou, Mian Chen, Wan Cheng, Yan Jin, Jing Ma, Lifeng Yang
Block movement governed stress redistribution around tunnels – a rational approach
D. Borbely, B. Beno, P. Gorog
Discrete element modeling of longwall top coal caving
F. Gao, D. Stead
Seismic analysis of underground cavern in jointed-rock masses based on friction energy on slip joints
Shuai Wang, Shihu Xiong, Qian Sheng, Yonghui Zhang, Zeqi Zhu
Blast Damage in Rock Slopes: Potential Applications of Discrete Fracture Network Engineering
Keneth Lupogo, Zack Tuckey, Doug Stead, Davide Elmo
Building a Robust DFN Model of a Sedimentary Bedrock Aquifer: Insights from the Bedrock Groundwater Research Station, University of Guelph, Canada
A. Fomenko, C.M. Steelman, P. Pehme, B.L. Parker
Numerical Modeling of Joint Sets in a Granitic Gneiss Tunnel in Taiwan
Tai-Sheng Liou, Ming-Kun Liou, Sung-Yang Huang, Jeng-Ming Chien, Wayne Lin
Discrete Fracture Network Modeling in a CO2 Flooded Heavy Oil Reservoir
J. Shiriyev, S. Akin
Applicability of correlation length for considering uncertainty in the statistical conceptualization of fractures
S.-H. Ji, K.W. Park, Y.-K. Koh
How well do we understand fracture populations in the subsurface? Workflows for validating fracture models
J.F. Ellis, G. Johnson, A.P.M. Vaughan
Testing restoration-based fracture prediction within a fault damage-zone in carbonates, an example from The Filettino Fault, Central Italy
I. Mannino, J.F. Ellis, A.P.M. Vaughan, G. Johnson, A. Cilona, F. Salvini
Assessing rock mass UCS anisotropy using a coupled DFN-DEM approach at a surface mining project in Arctic Canada
M. Grenon, G. Bruneau, I. Kapinga Kalala
Principles of discrete fracture network modelling for geotechnical applications
D. Elmo, Y. Liu, S. Rogers
Special Plenary Session: DFNE & Mining Applications
Keynote: Application of Discrete Fracture Networks in Mining and Civil Engineering
L.J. Lorig
Bench Face Angle Distributions – The Requirement for DFN Analysis
J.I. Mathis
Application of DFN Modelling to Large Open Pit Slope Design in Australia
F.M. Weir, M. Fowler
Assessing rock mass structural conditions in underground mining drifts using an integrated photogrammetry-DFN approach
A. Landry, M. Grenon, P.L. Lajoie
Stability Analysis of an Ore Pass Using a DFN-DEM Model
K. Esmaieli, J. Hadjigeorgiou
Discrete Fracture Network Modelling to Quantify Intensive Rock Mass Pre-conditioning at the El Teniente Mine, Chile
Andres Brzovic, Steve Rogers, Gordon Webb, Jose Alvarez, Paulina Schachter
Grouping discontinuities of fractured rock mass into main sets: consequences on the stability analysis of open pit benches
A. Tuan Nguyen, V. Merrien-Soukatchoff, M. Vinches
Preliminary selection of optimum bench face angle using uniformly distributed wedges
J.C. Langford, B. Corkum, J.H. Curran
Mining Geomechanics
Impact of joint properties on rockmass behaviour predictions for underground excavations
M.C. van der Pouw Kraan, J.J. Day, M.S. Diederichs, D.J. Hutchinson
Use of Photogrammetry and Discrete Fracture Networks to Characterize Pillar Damage and Rock Mass Characteristics
R. Preston, D. Roberts, H. McIntire, D. Stead
The use of numerical models for Ground Support Systems Optimisation: Applications, Methods and Challenges
G.J. Sweby, P.M. Dight, Y. Potvin
InSAR Ground Deformation Monitoring of Mining Regions Using Multi-Track Interferometry
M.D. Henschel, R. Morin, M.A. McParland, S. Sato, R. Ahola
Characterization of a water inflow fracture system into a concrete mine shaft using geophysical and geological information
D.E. Cisyk, M. Maxwell, R.A. Eso
Excavation stability analysis in an underground marble quarry in the Apuan Alps (Italy): Application of terrestrial LIDAR, conventional methods and numerical modeling
R. Salvini, G. Mastrorocco, C. Vanneschi, S. Riccucci, D. Stead
Factors affecting realism of DFNs for Mechanical Stability Analysis in Tunneling Environment
Ioannis Vazaios, Mark S. Diederichs, Nicholas Vlachopoulos
Discrete Fracture Network Simulation of Groundwater Inflow to an Underground Mine
T.W. Doe
Fundamentals: Brittle Fracture Modelling
Application of FEMDEM to analyze fractured rock masses
O.K. Mahabadi, A. Lisjak
Use of an Integrated Finite/Discrete Element Method-Discrete Fracture Network Approach (FDEM-DFN) in Characterizing Surface Subsidence Associated with Sub-Level Caving
P. Hamdi, D. Stead, D. Elmo, J. Toyra, B.-M. Stockel
Characterisation of groundwater in rock slopes using a DFN engineering approach
Janisse Vivas, Doug Stead, Diana Allen, Davide Elmo, Sonia D’Ambra
Numerical simulation of a shaft and loading pocket developed through squeezing talc-ultramafics
O.K. Mahabadi, B. Cottrell, A. Vakili, W. Pitman
A non-Poissonian, likely-universal, fracture model for hardrock DFN
P. Davy, R. Le Goc, C. Darcel
Physics-based Modeling of Hydraulic Fracture Propagation and Permeability Evolution of Fracture Network in Shale Gas Formation
H. Huang, E. Mattson, R. Podgorney
Numerical simulation of micro-fracturing in rock by using 3D Voronoi tessellation
E. Ghazvinian, M.S. Diederichs, R. Quey
The Influence of Joint Termination on the Mechanical Properties of Rock Masses – A SRM Approach
K. Esmaieli, S. Aziznejad, V. Varjao
Numerical study on rock fracture network failure process using a continuous-discontinuous approach
P.Z. Pan, X.T. Feng, F. Yan, F.S. Su, W.W. Ji