Titles – DFNE 2014

Proceedings of the 1st International Conference on Discrete Fracture Network Engineering

19-22 October 2014, Vancouver, BC, Canada

Full proceedings can be found here (login required)

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