MECHANICAL BEHAVIOR OF SALT

Transcription

1 3 rd Conference MECHANICAL BEHAVIOR OF SALT ECOLE POLYTECHNIQUE PALAISEAU- FRANCE SEPTEMBER 14-16,1993 organized by : ECOLE POLYTECHNIQUE Laboratoire de Micanique des Solides (LM.S.) Groupement pour I'itude des Structures Souterraines de Stockage (G3S) with the collaboration of: PENNSYLVANIA STATE UNIVERSITY UB/TIB Hannover

2 -r 1- TABLE OF CONTENTS Page number TUESDAY. September CA n c//l ft J * VISCOPLASTICITY AND HARDENING (Laboratory results and Interpretation) (Co-Chairmen : P. B6rest, R. Rokhar) On the physical origin and modelling of kinematic and isotropic hardening of salt M. AUBERTIN 1 Preliminary determination of constants for an updated version of the suvic model M. AUBERTIN, D.E. GILL, S. SERVANT 17 Extension of the M-D model for treating stress drops in salt D.E. MUNSON, K.L. DE VRIES, A.F. FOSSUM, G.D. CALLAHAN 31 A Unified viscoplastic model for rock salt A. PUDEWILLS, K. HORNBERGER 45 A Methodology for the identification of rock salt behavior using multi-steps creep tests M. HAMAMI, S.M. TIJANI, G. VOUILLE 53 A comparison of the responses of the Munson-Dawson model and the Lemaitre model A.AIT CHALAL tflv Comparative study of certain constitutive laws used to describe the rheological deformation of salts G. DURUP, J. XU 75 Application of the Kaiser effect for the evaluation of in situ stresses in salt H.R. HARDY Jr. 85 Session 2 : TEXTURE & STRUCTURE (Micro & Macro Aspects) (Co-Chairmen : M.B. Dusseault, M. Aubertin) Deformation of NaCl single crystals at 0.27 T m < T < 0.44 T m P.H. WANTEN, C.J. SPIERS, C.J. PEACH 103 A micro-macro model for polycrystalline halite A. POUYA, A. ZAOUI, M. NABOULI 115 The influence of textural parameters and mineralogical composition on the creep behavior of rock salt U. HUNSCHE, G. MINGERZAHN, O. SCHULZE 129 Deformation, dilatancy and permeability development in halite/anhydrite composites C.J..PEACH 139 Textures investigation on halite and fluorite by neutron diffraction * H. KAMPF, H.J. FRANZKE, M. BETZL, Ch. SCHEFFZUK 153

3 -no- Page number WEDNESDAY. September f Session 3 : DAMAGE AND HEALING (Measurement & Modelling) (Co-Chairmen : D.E. Munson, J. Prij) Rock salt damage - Experimental results and Interpretation L. THOREL, M. GHOREYCHI 161 I A comprehensive constitutive equation for rock salt - determination and application N. CRISTESCU, U. HUNSCHE 177 Procedures for cyclic creep testing of salt rock, results and discussions X. ALLEMANDOU, M.B. DUSSEAULT 193 Session 4 : COUPLED PROCESSES & HYDRO-CHEMICAL EFFECTS (Co-Chairmen : G. Vouille, E. Alonso) On laboratory measurements of porosity and permeability of salt rocks (Bressan basin - France) /. BILLIOTTE, C. LE GUEN, M. DEVEUGHELE, J. BRULHET 207 Experimental study of the role of humidity on the thermomechanical behaviour of various halitic rocks JM. LE CLEAC'H, A. GHAZALI, M. DEVEUGHELE, J. BRULHET 111 Effect of humidity & confining pressure on creep of rock salt U. HUNSCHE, O. SCHULZE 223 Hydrodynamic aspects of the imbibition of a salt wall by brine initially contained in a cavity P.M. ADLER, A. ZAZOVSKY, Ph. BARANGER, G. BONTE, J.F. LAURENS, J.F. SUREAU 235 Mechanical aspects of the imbibition of a salt wall by brine initially contained in a cavity G. BONTE 249 Behaviour of porous salt aggregates, constitutive and field equations for a coupled deformation, brine, gas and heat transport model S. OLIVELLA, A. GENS, J. CARRERA, E. ALONSO 255 Coupling between mechanical behavior and transfer phenomena in salt Ph. COSENZA, M. GHOREYCHI 271

4 Page number Session 5 : CRUSHED SALT BEHAVIOR (Backfilling & Sealing of Radioactive Waste Repositories) (Co-Chairmen : C.J. Spiers, D. Nguyen Minh) Measurement of crushed salt consolidaton under hydrostatic and deviatoric stress conditions E. KORTHAUS 297 Reconsolidation of salt as applied to permanent seals for the Waste Isolation Pilot Plant F.D. HANSEN, G.D. CALLAHAN, L.L. VAN SAMBEEK 309 Convergence and compaction of backfilled openings in rocksalt /. PRIJ, J.J. HEIJDRA, B.A. van den HORN 323 Conditions of state in and around borehole seals in underground waste repositories in rock salt Th. SPIES, B.A. van den HORN, J. PRIJ, T. ROTHFUCHS 337 In situ experiment for density measurment on crushed salt as backfilling G. GOMMLICH 351 Thermomechanical effects in backfilled drifts J. SCHNEEFUP, J. DROSTE 359 Measurements on the gas generation and release of backfilled drifts at the direct disposal of spent fuel elements N. JOCKWER, H. SPRENGER 367 Experimental and modelling results for compaction of crushed salt C. ZHANG, MM. SCHMIDT, G. STAUPENDAHL 377 THURSDAY. September Session 6 : SOLUTION MINING - STORAGE CAVERNS (Co-Chairmen : B. Ladanyi, L. Sousa) Modelling subsidence of the Tersanne underground gas storage field D. NGUYEN MINH, S. BRAHAM, J.G. DURUP 391 Rock mechanical studies on the post-operational phase of a disposal cavern O. ROLFS, U. SCHMIDT, F. CROTOGINO 403 Study of the stability of caverns in rock salt created by solution mining, proposal for a new design criterion G. VOUILLE, J. BERGUES, J..G. DURUP, T. YOU. 413 Optimising underground gas storage opeations in salt caverns, with special reference to the rock mechanics and thermodynamics involved K.H. LUX, T. SCHMIDT 431 In situ tests in brine-filled caverns N. ALIA, P. BEREST, PA. BLUM, G. DURUP 445 -c3-

5 » Page number Session 7 : SALT & POTASH MINING (Co-Chairmen : P. Ramirez, M. Wallner) Four case studies in saltrock - Determination of material parameters for numerical modeling MA. FRAYNE, L. ROTHENBURG, MB. DUSSEAULT 45 Mining experience of Potash Mines in Alsace (MDPA) - Relationship between mining design and rocks behaviour G. BONTE 469 Local instability and system instability of room and pillar fields in potash mining W. MINKLEY.W. MENZEL 483 Session 8 : NUMERICAL MODELLING OF UNDERGROUND STRUCTURES (Co-Chairmen : N. Cristescu, K.H. Lux) Probabilistic structural analysis of thermomechanical response in rock salt Z. DONG, R. EICKEMEIER. M. WALLNER 499 Incompressible numerical modelling for long term convergence evaluation of underground works in salt D. NGUYEN MINH, E. QUINTANILHA DE MENEZES 509 The assessment of the stability of a cavern field in bedded salt with the help of the new Hannover dimensioning concept R. ROKAHR, K. STAUDTMEISTER 519 Rate type constitutive equations with applications to the calculus of the stress state and of the displacement field around cavities in rock salt - D. MASSIER 531 Research work concerning the characterization of the Theological behaviour of salt in the Slanic-Prahova zone M. NICOLAE 545 On the qualitative derivation of the long-term load carrying capacity and/or long-duration static stability of salt rocks from measuring data of their strength; creep behaviour and stress relaxation H. BOHNEL, K. SALZER, W. SCHREINER 557 -c4-