In this volume emphasis is put on constitutive behaviour, rock mechanics and partial saturation, chemo-mechanics, thermo-hydro-mechanics, weathering, creep, and on practical applications in oil engineering application; underground waste storage; post-mine behaviour and long term behaviour of infrastructure.

Preface XIIIOrganising Committee XVScientific Committee XVKeynote lecturesTunnel stability and deformations in water-bearing ground 3G. AnagnostouAn overview of long-term HM measurements around HADES URF 15W. Bastiaens, F. Bernier & X.L. LiA three-dimensional constitutive law for rock salt including transient, steady stateand accelerated creep, failure and post-failure behaviour and applications in rock engeneering 27C. ErichsenResponse of a saturated mudstone under excavation and thermal loading 35A. Gens, J. Vaunat, B. Garitte &Y.WileveauCoupled processes involved in post-mining 45M. Ghoreychi1 Multiphysics coupling1.1 Theoretical conceptsSimilarity solutions for a shallow hydraulic fracture 57E. Detournay &A.P. BungerExperimental and theoretical investigations of the behaviour of a partially frozencement paste 63A. Fabbri, T. Fen-Chong, O. Coussy &A. AzouniSorptive storage of CO2 on coal dust and flotation waste from coal processing in abandoned coal mines 69T. Kempka, M.Waschbüsch, T. Fernández-Steeger & R. AzzamAnalysis of wellbore stability in under-balanced drilling 75S.A.I. Khan & D.H.S. ZouMechanical impacts of acid gas leakage in caprock 81M. Mainguy &A. OnaisiIncorporating chemoporoelasticity in wellbore stability – Part I: Parameterestimation 87N.P.R. Rubio, S.A.B. Fontoura, E.M.P. Araújo, E.S. Muniz & R.F.T. LombaIncorporating chemoporoelasticity in wellbore stability – Part II: Computationalanalysis 93E.M.P. Araújo, S.A.B. Fontoura, N.P.R. Rubio, E.S. Muniz & C.J. GonçalvesA probabilistic model for the formation of crack networks in rocks under CO2injection 99M. Seyedi, A. Mushtaq & F. HildEffect of pore pressure on failure mode, axial, lateral and volumetricdeformations of rock specimen in plane strain compression 105X.B.Wang1.2 Laboratory experimentsLaboratory measurement of hydraulic conductivity of rocks from Lakeviewborehole 115L.C. Areias & K.Y. LoPoromechanical behaviour of Meuse-Haute Marne argillite: laboratoryevidences and modeling 121D. Hoxha, F. Homand, A. Giraud, C. Auvray & K. SuPreliminary results of air permeability test under tensile stress condition usinga hollow cylindrical rock specimen 127T. Ishida, S. Miyazaki, T. Ishii, K. Amemiya &Y. MizutaImpact of brine composition on the mechanical strength of chalk at hightemperature 133R.I. Korsnes, M.V. Madland &T. AustadVoid space against fracture hydro mechanical behavior at sample scale 141P. Lopez, I. Rahmani, O. Buzzi, M. Boulon, A. Thoraval & M. Escuredo-RodriguezPrediction of impact strength index, slake durability index and schmidthammer rebound number from P-wave velocity 149P.K. Sharma &T.N. Singh Hydro-mechanical behavior in sandstone during from brittle to ductiledeformation and its relation to inner structural change 155M. Takahashi, K. Tanaka, X. Li & M. Kwa´sniewskiMechanical and chemical properties changes in sedimentary rock duringimmersion in hot water 163T. Takemura, M. Takahashi, M. Manaka & K. TanakaAnalyzing the influence of the water saturation on the strength of sandstones 169B. Vásárhelyi & P. VánStudy on the variation on microstructure and mechanical properties ofwater-weakening slates 173C. Yang, H. Mao, X. Huang & X.Wang1.3 Field experiments and case studiesAcoustic emission analysis of biaxially loaded rock 185M.C. Bétournay, M. Coté & H.S. MitriIn situ ultrasonic wave measurements in clay: comparison between velocity,frequential attenuation and energy 193P. Ganne, A. Vervoort &W. BastiaensImpact of THM constitutive behavior on the rock-mass response: case of HE-D experiment in Mont Terri Underground Rock Laboratory 199D. Hoxha, Z. Jiang, F. Homand, A. Giraud, K. Su &Y.WileveauInterpretation of fracture geometry from excavation induced microseismic events 205J.M. Reyes-Montes & R.P. YoungDesign, construction, supervision and long-term behaviour of tunnels inswelling rock 211M.Wittke1.4 Numerical simulationsA fully coupled poroviscoelastic model for in-situ stress determination in theoil industry 219M. Bloch, S.M.S. Freitas & F.R. CustodioModeling of water uptake and swelling in highly compacted bentonite forenvironmental sealing barriers – laboratory and large-scale experimentsand numerical simulation 227J. GattermannNumerical modelling of the effect of weathering on the progressive failure of underground limestone mines 233S. Ghabezloo &A. PouyaInvestigation of sand production mechanisms using DEM with fluid flow 241L. Li, E. Papamichos & P. CerasiA coupled approach for the simulation of hydro-mechanical fracturing inporous rocks 249J.M. Segura & I. CarolHydromechanical behaviour during CO2 injection 255S. Vidal-Gilbert, E. Bemer, C. Barroux & E. BrosseBonded-particle model of thermally fractured granitic rock 261T.S.Wanne & R.P. Young2 Long term behaviour2.1 Theoretical concepts and laboratory studiesExperimental study on strength weakening characteristics of soft rock subjectto wetting 269S. Cai & S. MingIntelligent analysis of rheological characteristic of rock materials 275X.-T. Feng, B.-R. Chen, C. Yang & H. ZhouShort- and long-term constitutive model for porous rocks 281D. Grgic, F. Homand & D. HoxhaFrom a natural stress profile to rheological properties at geological scale 287Y. Gunzburger, F.H. Cornet &Y.WileveauPoromechanical modeling of a deep shaft excavation and comparison withexperimental results 293X.C. Song, Y. Jia, G. Duveau, J.F. Shao & K. Su2.2 Field experiments and case studiesCollapse/subsidence: evolution of the overburden massivity according to the geomorphology in the Lorraine iron mines case 301J. Fougeron, F. Homand, M. Souley, M. Bennani & J.P. JosienA case study of failure mechanism and support measures of slopes againstsliding and toppling failure 309A.H. Ghazvinian & Z.A. MoradianGround heave induced by mine water recovery 315M. Heitfeld, M. Mainz, M. Mühlenkamp, K. Schetelig & H. Sahl200 years coal mining in New SouthWales (Australia), the elasto-staticbehavior of the continental crust, and the 1989 M5.6 Newcastle earthquake 321C.D. KlosePrediction of long-term behavior for a large underground cavern 325T. Koyama, K. Ishibashi, Y. Suzuki, M. Minami, S. Okubo & K. FukuiLong-term deformation processes in the wider area of the closed Idrija MercuryMine 331J. Likar, M. Cigale & B. RežunSwelling – a geotechnical problem at the Adler Tunnel, Switzerland – monitoringresults and their interpretation 337H.-P. Noher, B. Vögtli & B. KisterCreep analysis by the velocity method 343A.K. ParkinAnalysis of delayed convergences in a carbon zone of the Lötschberg Tunnel 351F. Sandrone, J.-P. Dudt, V. Labiouse & F. DescoeudresRock rheology – time dependence of dilation and stress around a tunnel 357P. Ván & Z. Szarka2.3 Numerical simulationsThe feasibility analysis of abandoned salt caverns for underground gasstorage facility 367W.Z. Chen, G.J.Wu, J.P. Yang & C.H. YangSemi-analytical models for predicting the amount and rate of sand production 373C. Detournay & B.WuSalt pillar creep analysis 381F. Laouafa & M. GhoreychiUsing scaled seismic studies to validate 3D numerical models of the rockbarrier around a deep repository 389W.S. Pettitt, J.R. Haycox & R.P. Young3 Multiphysics coupling and long term behaviour3.1 Laboratory experiments and theoretical conceptsWeathering and strength of partially saturated soft rock 397C. BönschMultiscale analysis and analytical modeling of creep and damage inargillaceous rocks 403G. Fabre & F. PelletInstability and possible liquefaction of high porosity chalk 411R.E. Flatebø & R. RisnesWellbore strengthening in low-permeability formations 417I.R. Gil & J.-C. RoegiersDevelopment of an experimental device to carry out tests on thick-walled hollow cylinders 421M. Hosseini, C. Rousseau, J. Desrues, P. Bésuelle & G. ViggianiDoes the chemical interaction between seawater and chalk affect the mechanical properties of chalk? 427R.I. Korsnes, S. Strand, Ø. Hoff, T. Pedersen, M.V. Madland &T. AustadThe change of P-wave velocity with temperature and humidity in granite 435Y. Nara & K. Kaneko3.2 Field experiments and case studiesHydro-thermo-mechanical over-closure of joints and rock masses andpotential effects on the long term performance of nuclear waste repositories 445N. Barton &A. MakuratSwelling mechanisms in sulphate-bearing rocks 451I.R. Berdugo, E.E. Alonso & E.E. RomeroA salt-cavern abandonment test in an LPG storage facility 455P. Bérest, B. Brouard, P. de Laguérie, T. You, D. Fourmaintraux & J.Y. HéasMechanical decay and degradation of marble slabs 461C.A. Garzonio & E. CantisaniThe hydromechanical behaviour of the Boom Clay observed during excavationof the connecting gallery at Mol site 467X.L. Li,W. Bastiaens & F. BernierInfluence of topographic roughness on the stress state in a sloped rock-mass 473V. Merrien-Soukatchoff, J. Sausse & C. DünnerFailure mechanisms of the Opalinus Clay around underground excavations 479T. Vietor, P. Blümling & G. Armand3.3 Numerical simulationsPhysical modelling and numerical simulation of long-term deformationbehaviour of indurated clay with special consideration of anisotropic effectsand in situ measurements 487O. Czaikowski & K.-H. LuxPoro-hypoplastic analysis of the progressive excavation of the Mol URLconnecting Gallery 493J. Desrues, P. Bésuelle, C. Coll, F. Collin & X.L. LiDiscrete particle modelling as a tool in petroleum rock mechanics 499R.M. Holt, L. Li, I. Larsen, S. Gorodkov & H.T.I. AlassiThermo-hydromechanical modeling in unsaturated hard clay and applicationto nuclear waste storage 505Y. Jia, G. Duveau, J.F. Shao, K. Su &Y.WileveauModeling by homogenization of water drainage in double-porosity soils 513J. Lewandowska, T.D. Tran Ngoc, M. Vauclin & H. BertinSuction and time effects on the behaviour of a reservoir chalk 519G. Priol, V. De Gennaro, P. Delage, F. Collin & R. CharlierModelling of the hydro-mechanical processes around excavations in rock salt 527A. Pudewills4 Related topics4.1 Theoretical conceptsDimensionless charts for the GRC for rock masses exhibiting strain-softeningbehaviour 533E. Alonso, L.R. Alejano, F. Varas & G. Fdez-ManinThe New Geophysics: a new understanding of fluid-rock deformation 539S. CrampinAn automated procedure to build failure envelopes and model theMohr-Coulomb criterion in the three-dimensional principal stressesspace from polyaxial test data 545F. Descamps, E. Rodriguez & J.-P. TshibanguGeomechanical properties of fractured carbonate rock mass determined bygeophysical methods 551A.F. Idziak & I. Stan-KleczekPredicting the physico-mechanical properties of igneous rocks from electricalresistivity measurements 557S. Kahraman, E. Ogretici, M. Fener &T. Yeken4.2 Laboratory experimentsDevelopment of a new experimental protocol to estimate the shear strength ofconcrete-rock joints 563G. Ballivy, C. Gravel &T. El MalkiField applications for the scratching test 571F. Dagrain & C. GermayOn the influence of PDC wear and rock type on friction coefficient andcutting efficiency 577F. Dagrain &T. RichardPetrophysical deformation in faulted white chalk in Belgium 585A. Darquennes, C. Schroeder & S. VandyckeRoughness characterization of rock fractures surfaces 591H. Legrain & J.-P. TshibanguDynamic frictional behavior of rough rock joints by shaking table test 597B.-K. Park, S. Jeon, J.-J. Song & C.-I. LeePoint load strength determination of anisotropic rocks 603H. Saroglou & G. TsiambaosA new procedure to analyse the wear of cutting elements 609F. Van Quickelberghe, F. Dagrain, J.-P. Tshibangu &T. Richard4.3 Field experiments and case studiesDifferent approaches to fracturation of marble rock – the case study of theSt Beat tunnel (French Pyrenees) 619M. Gasc-Barbier, D. Virely, J. Guittard &V. Merrien-SoukatchoffA case study of determining orientations of in-situ horizontal principalstresses based on electrical images of borehole failures at a deep drilling project 625W. Lin, E.-C. Yeh,W. Soh, M. Kinoshita, H. Ito & J.-H. HungThe role of rock mechanics in analysing overbreak: application to theSoumagne tunnel 631R.M. Schmitz, S. Viroux, R. Charlier & S. HickParametric study on the friction angle and dilation angle of intact rock anddiscontinuities presented in the Siah Bisheh pumping storage hydro-electricpower project (HEPP) 637N. Shafiezadeh & M. BagheriTBM Tunneling in adverse rock mass with emphasis on TBM Jammingaccident in Ghomrud water transfer tunnel 643M. Sharifzadeh &A. Hemmati ShaabaniFoundation of a highway in a post-mining area by dynamic intensifiedcompaction, geotextile-reinforcement and piles 649M.WittkeLong term behaviour and upgrading the stability of old dams 655M.WittkeTBM performance prediction based on rock properties 663S. YagizStress-released slope movement induced by excavation in fault zone 671Z. Y. Yang, J.Q. Hsiao & H.H. Chen4.4 Numerical simulationsHydrogeological modelling of rock mass by MDS-IDW technique 677K. Aoki &Y. MitoNumerical borehole breakout analysis using FRACOD2D 683T. Backers, O. Stephansson, I. Moeck, H.-G. Holl & E. HuengesDiscontinuum and continuum modeling of Masjed E Soleyman PowerHouse Cavern 689M. Bagheri, N. Shafiezadeh & H.R. HajihassaniMechanical modeling of rock using a non-local elastoplastic damage model 695A. Mohamad-Hussein & J.F. ShaoNumerical analysis of structural breakdown of compressed rock samples 701M. Rinne, B. Shen & O. StephanssonAuthor index