Eurock 2006

Preface XIII Organising Committee XV Scientific Committee XV Keynote lectures Tunnel stability and deformations in water-bearing ground 3 G. Anagnostou An overview of long-term HM measurements around HADES URF 15 W. Bastiaens, F. Bernier & X.L. Li A three-dimensional constitutive law for rock salt including transient, steady state and accelerated creep, failure and post-failure behaviour and applications in rock engeneering 27 C. Erichsen Response of a saturated mudstone under excavation and thermal loading 35 A. Gens, J. Vaunat, B. Garitte &Y.Wileveau Coupled processes involved in post-mining 45 M. Ghoreychi 1 Multiphysics coupling 1.1 Theoretical concepts Similarity solutions for a shallow hydraulic fracture 57 E. Detournay &A.P. Bunger Experimental and theoretical investigations of the behaviour of a partially frozen cement paste 63 A. Fabbri, T. Fen-Chong, O. Coussy &A. Azouni Sorptive storage of CO2 on coal dust and flotation waste from coal processing in abandoned coal mines 69 T. Kempka, M.Waschbüsch, T. Fernández-Steeger & R. Azzam Analysis of wellbore stability in under-balanced drilling 75 S.A.I. Khan & D.H.S. Zou Mechanical impacts of acid gas leakage in caprock 81 M. Mainguy &A. Onaisi Incorporating chemoporoelasticity in wellbore stability – Part I: Parameter estimation 87 N.P.R. Rubio, S.A.B. Fontoura, E.M.P. Araújo, E.S. Muniz & R.F.T. Lomba Incorporating chemoporoelasticity in wellbore stability – Part II: Computational analysis 93 E.M.P. Araújo, S.A.B. Fontoura, N.P.R. Rubio, E.S. Muniz & C.J. Gonçalves A probabilistic model for the formation of crack networks in rocks under CO2 injection 99 M. Seyedi, A. Mushtaq & F. Hild Effect of pore pressure on failure mode, axial, lateral and volumetric deformations of rock specimen in plane strain compression 105 X.B.Wang 1.2 Laboratory experiments Laboratory measurement of hydraulic conductivity of rocks from Lakeview borehole 115 L.C. Areias & K.Y. Lo Poromechanical behaviour of Meuse-Haute Marne argillite: laboratory evidences and modeling 121 D. Hoxha, F. Homand, A. Giraud, C. Auvray & K. Su Preliminary results of air permeability test under tensile stress condition using a hollow cylindrical rock specimen 127 T. Ishida, S. Miyazaki, T. Ishii, K. Amemiya &Y. Mizuta Impact of brine composition on the mechanical strength of chalk at high temperature 133 R.I. Korsnes, M.V. Madland &T. Austad Void space against fracture hydro mechanical behavior at sample scale 141 P. Lopez, I. Rahmani, O. Buzzi, M. Boulon, A. Thoraval & M. Escuredo-Rodriguez Prediction of impact strength index, slake durability index and schmidt hammer rebound number from P-wave velocity 149 P.K. Sharma &T.N. Singh Hydro-mechanical behavior in sandstone during from brittle to ductile deformation and its relation to inner structural change 155 M. Takahashi, K. Tanaka, X. Li & M. Kwa´sniewski Mechanical and chemical properties changes in sedimentary rock during immersion in hot water 163 T. Takemura, M. Takahashi, M. Manaka & K. Tanaka Analyzing the influence of the water saturation on the strength of sandstones 169 B. Vásárhelyi & P. Ván Study on the variation on microstructure and mechanical properties of water-weakening slates 173 C. Yang, H. Mao, X. Huang & X.Wang 1.3 Field experiments and case studies Acoustic emission analysis of biaxially loaded rock 185 M.C. Bétournay, M. Coté & H.S. Mitri In situ ultrasonic wave measurements in clay: comparison between velocity, frequential attenuation and energy 193 P. Ganne, A. Vervoort &W. Bastiaens Impact of THM constitutive behavior on the rock-mass response: case of HE-D experiment in Mont Terri Underground Rock Laboratory 199 D. Hoxha, Z. Jiang, F. Homand, A. Giraud, K. Su &Y.Wileveau Interpretation of fracture geometry from excavation induced microseismic events 205 J.M. Reyes-Montes & R.P. Young Design, construction, supervision and long-term behaviour of tunnels in swelling rock 211 M.Wittke 1.4 Numerical simulations A fully coupled poroviscoelastic model for in-situ stress determination in the oil industry 219 M. Bloch, S.M.S. Freitas & F.R. Custodio Modeling of water uptake and swelling in highly compacted bentonite for environmental sealing barriers – laboratory and large-scale experiments and numerical simulation 227 J. Gattermann Numerical modelling of the effect of weathering on the progressive failure of underground limestone mines 233 S. Ghabezloo &A. Pouya Investigation of sand production mechanisms using DEM with fluid flow 241 L. Li, E. Papamichos & P. Cerasi A coupled approach for the simulation of hydro-mechanical fracturing in porous rocks 249 J.M. Segura & I. Carol Hydromechanical behaviour during CO2 injection 255 S. Vidal-Gilbert, E. Bemer, C. Barroux & E. Brosse Bonded-particle model of thermally fractured granitic rock 261 T.S.Wanne & R.P. Young 2 Long term behaviour 2.1 Theoretical concepts and laboratory studies Experimental study on strength weakening characteristics of soft rock subject to wetting 269 S. Cai & S. Ming Intelligent analysis of rheological characteristic of rock materials 275 X.-T. Feng, B.-R. Chen, C. Yang & H. Zhou Short- and long-term constitutive model for porous rocks 281 D. Grgic, F. Homand & D. Hoxha From a natural stress profile to rheological properties at geological scale 287 Y. Gunzburger, F.H. Cornet &Y.Wileveau Poromechanical modeling of a deep shaft excavation and comparison with experimental results 293 X.C. Song, Y. Jia, G. Duveau, J.F. Shao & K. Su 2.2 Field experiments and case studies Collapse/subsidence: evolution of the overburden massivity according to the geomorphology in the Lorraine iron mines case 301 J. Fougeron, F. Homand, M. Souley, M. Bennani & J.P. Josien A case study of failure mechanism and support measures of slopes against sliding and toppling failure 309 A.H. Ghazvinian & Z.A. Moradian Ground heave induced by mine water recovery 315 M. Heitfeld, M. Mainz, M. Mühlenkamp, K. Schetelig & H. Sahl 200 years coal mining in New SouthWales (Australia), the elasto-static behavior of the continental crust, and the 1989 M5.6 Newcastle earthquake 321 C.D. Klose Prediction of long-term behavior for a large underground cavern 325 T. Koyama, K. Ishibashi, Y. Suzuki, M. Minami, S. Okubo & K. Fukui Long-term deformation processes in the wider area of the closed Idrija Mercury Mine 331 J. Likar, M. Cigale & B. Režun Swelling – a geotechnical problem at the Adler Tunnel, Switzerland – monitoring results and their interpretation 337 H.-P. Noher, B. Vögtli & B. Kister Creep analysis by the velocity method 343 A.K. Parkin Analysis of delayed convergences in a carbon zone of the Lötschberg Tunnel 351 F. Sandrone, J.-P. Dudt, V. Labiouse & F. Descoeudres Rock rheology – time dependence of dilation and stress around a tunnel 357 P. Ván & Z. Szarka 2.3 Numerical simulations The feasibility analysis of abandoned salt caverns for underground gas storage facility 367 W.Z. Chen, G.J.Wu, J.P. Yang & C.H. Yang Semi-analytical models for predicting the amount and rate of sand production 373 C. Detournay & B.Wu Salt pillar creep analysis 381 F. Laouafa & M. Ghoreychi Using scaled seismic studies to validate 3D numerical models of the rock barrier around a deep repository 389 W.S. Pettitt, J.R. Haycox & R.P. Young 3 Multiphysics coupling and long term behaviour 3.1 Laboratory experiments and theoretical concepts Weathering and strength of partially saturated soft rock 397 C. Bönsch Multiscale analysis and analytical modeling of creep and damage in argillaceous rocks 403 G. Fabre & F. Pellet Instability and possible liquefaction of high porosity chalk 411 R.E. Flatebø & R. Risnes Wellbore strengthening in low-permeability formations 417 I.R. Gil & J.-C. Roegiers Development of an experimental device to carry out tests on thick-walled hollow cylinders 421 M. Hosseini, C. Rousseau, J. Desrues, P. Bésuelle & G. Viggiani Does the chemical interaction between seawater and chalk affect the mechanical properties of chalk? 427 R.I. Korsnes, S. Strand, Ø. Hoff, T. Pedersen, M.V. Madland &T. Austad The change of P-wave velocity with temperature and humidity in granite 435 Y. Nara & K. Kaneko 3.2 Field experiments and case studies Hydro-thermo-mechanical over-closure of joints and rock masses and potential effects on the long term performance of nuclear waste repositories 445 N. Barton &A. Makurat Swelling mechanisms in sulphate-bearing rocks 451 I.R. Berdugo, E.E. Alonso & E.E. Romero A salt-cavern abandonment test in an LPG storage facility 455 P. Bérest, B. Brouard, P. de Laguérie, T. You, D. Fourmaintraux & J.Y. Héas Mechanical decay and degradation of marble slabs 461 C.A. Garzonio & E. Cantisani The hydromechanical behaviour of the Boom Clay observed during excavation of the connecting gallery at Mol site 467 X.L. Li,W. Bastiaens & F. Bernier Influence of topographic roughness on the stress state in a sloped rock-mass 473 V. Merrien-Soukatchoff, J. Sausse & C. Dünner Failure mechanisms of the Opalinus Clay around underground excavations 479 T. Vietor, P. Blümling & G. Armand 3.3 Numerical simulations Physical modelling and numerical simulation of long-term deformation behaviour of indurated clay with special consideration of anisotropic effects and in situ measurements 487 O. Czaikowski & K.-H. Lux Poro-hypoplastic analysis of the progressive excavation of the Mol URL connecting Gallery 493 J. Desrues, P. Bésuelle, C. Coll, F. Collin & X.L. Li Discrete particle modelling as a tool in petroleum rock mechanics 499 R.M. Holt, L. Li, I. Larsen, S. Gorodkov & H.T.I. Alassi Thermo-hydromechanical modeling in unsaturated hard clay and application to nuclear waste storage 505 Y. Jia, G. Duveau, J.F. Shao, K. Su &Y.Wileveau Modeling by homogenization of water drainage in double-porosity soils 513 J. Lewandowska, T.D. Tran Ngoc, M. Vauclin & H. Bertin Suction and time effects on the behaviour of a reservoir chalk 519 G. Priol, V. De Gennaro, P. Delage, F. Collin & R. Charlier Modelling of the hydro-mechanical processes around excavations in rock salt 527 A. Pudewills 4 Related topics 4.1 Theoretical concepts Dimensionless charts for the GRC for rock masses exhibiting strain-softening behaviour 533 E. Alonso, L.R. Alejano, F. Varas & G. Fdez-Manin The New Geophysics: a new understanding of fluid-rock deformation 539 S. Crampin An automated procedure to build failure envelopes and model the Mohr-Coulomb criterion in the three-dimensional principal stresses space from polyaxial test data 545 F. Descamps, E. Rodriguez & J.-P. Tshibangu Geomechanical properties of fractured carbonate rock mass determined by geophysical methods 551 A.F. Idziak & I. Stan-Kleczek Predicting the physico-mechanical properties of igneous rocks from electrical resistivity measurements 557 S. Kahraman, E. Ogretici, M. Fener &T. Yeken 4.2 Laboratory experiments Development of a new experimental protocol to estimate the shear strength of concrete-rock joints 563 G. Ballivy, C. Gravel &T. El Malki Field applications for the scratching test 571 F. Dagrain & C. Germay On the influence of PDC wear and rock type on friction coefficient and cutting efficiency 577 F. Dagrain &T. Richard Petrophysical deformation in faulted white chalk in Belgium 585 A. Darquennes, C. Schroeder & S. Vandycke Roughness characterization of rock fractures surfaces 591 H. Legrain & J.-P. Tshibangu Dynamic frictional behavior of rough rock joints by shaking table test 597 B.-K. Park, S. Jeon, J.-J. Song & C.-I. Lee Point load strength determination of anisotropic rocks 603 H. Saroglou & G. Tsiambaos A new procedure to analyse the wear of cutting elements 609 F. Van Quickelberghe, F. Dagrain, J.-P. Tshibangu &T. Richard 4.3 Field experiments and case studies Different approaches to fracturation of marble rock – the case study of the St Beat tunnel (French Pyrenees) 619 M. Gasc-Barbier, D. Virely, J. Guittard &V. Merrien-Soukatchoff A case study of determining orientations of in-situ horizontal principal stresses based on electrical images of borehole failures at a deep drilling project 625 W. Lin, E.-C. Yeh,W. Soh, M. Kinoshita, H. Ito & J.-H. Hung The role of rock mechanics in analysing overbreak: application to the Soumagne tunnel 631 R.M. Schmitz, S. Viroux, R. Charlier & S. Hick Parametric study on the friction angle and dilation angle of intact rock and discontinuities presented in the Siah Bisheh pumping storage hydro-electric power project (HEPP) 637 N. Shafiezadeh & M. Bagheri TBM Tunneling in adverse rock mass with emphasis on TBM Jamming accident in Ghomrud water transfer tunnel 643 M. Sharifzadeh &A. Hemmati Shaabani Foundation of a highway in a post-mining area by dynamic intensified compaction, geotextile-reinforcement and piles 649 M.Wittke Long term behaviour and upgrading the stability of old dams 655 M.Wittke TBM performance prediction based on rock properties 663 S. Yagiz Stress-released slope movement induced by excavation in fault zone 671 Z. Y. Yang, J.Q. Hsiao & H.H. Chen 4.4 Numerical simulations Hydrogeological modelling of rock mass by MDS-IDW technique 677 K. Aoki &Y. Mito Numerical borehole breakout analysis using FRACOD2D 683 T. Backers, O. Stephansson, I. Moeck, H.-G. Holl & E. Huenges Discontinuum and continuum modeling of Masjed E Soleyman Power House Cavern 689 M. Bagheri, N. Shafiezadeh & H.R. Hajihassani Mechanical modeling of rock using a non-local elastoplastic damage model 695 A. Mohamad-Hussein & J.F. Shao Numerical analysis of structural breakdown of compressed rock samples 701 M. Rinne, B. Shen & O. Stephansson Author index