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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-597
... & Gas liner Reservoir Characterization orientation plane Gauss instability increment Artificial Intelligence Displacement vector plot separation closing plane elastic-plastic model failure mechanism structural unit compliance matrix MPa ith plane underground cavity deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-612
... and reached a maximum of 4 – 5 MPa at a distance of 2 – 3 m from the drift, when the highest concentration of stress was expected. The vertical stress variation was consistent with calculations by the three dimensional FEM program, ANSYS. Furthermore, the stress measured by the over coring method just about...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-587
... Reservoir Characterization strength geomechanical model stability shear resistance powerhouse procedure stress-strain state Upstream Oil & Gas displacement stress state MPa arrangement modeling transformer room investigation excavation PHYSICAL MODELING OF ROCK MASS FOR STABILITY...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-034
.... Reservoir Characterization exponent failure criterion Artificial Intelligence criterion prediction Upstream Oil & Gas test result criteria hoek-brown criterion MPa machine learning strength sigma 1 envelope failure envelope estimation equation triaxial strength rock mass sigma 3...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-050
... mass rock mass field test result UDEC prediction result MPa explosion problem DISCRETE ELEMENT MODELLING OF AN EXPLOSION TEST IN GRANITE S.G. Chen1, J. Zhao2, A. Makurat3 and C. Madshus3 ABSTRACT A field explosion test is conducted to investigate the shock wave propagation in jointed rock...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-207
... den sit y and th e max imu m cra ck le ngt h i f it is co mpa red t o t hat o f r ock mate ria l. INTRODUCTI ON Th e eva lua ti on of th e v alu e of the d efo rma bi lit y mod ulu s t o be ass umed for t he roc k mas s i s a d iff ic ult ta sk wh en a con ti nuo us eq uiv ale nt ap pro ac h i s u se...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-333
... of the mixing blade, down/up speed, rotational speed and the flow of the injected mixture. untreated soil execution parameter diameter compressive strength MPa grout laboratory sample strength compression test uniaxial compressive strength sludge deposit soft soil characteristic evaluation...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-574
... or expected to start in the future. laboratory test average value Reservoir Characterization site characterisation Strait Almarchal Unit Algecira MPa tunnel load test convergence gallery flysch unit Tarifa Gallery Almarchal pressuremeter test tarifa experimental gallery gripper...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-216
... MPa strength fine-grained sedimentary rock shale mudshale elasticity water content Reservoir Characterization Upstream Oil & Gas mudstone moisture content reduction mechanical behavior mudrock compressive strength clayshale uniaxial compressive strength mechanical behaviour...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-017
... displacement minor principal stress right wall Upstream Oil & Gas sidewall excavation reservoir geomechanics powerhouse cavern stress analysis MPa Reservoir Characterization cavern contour scale 1 tensile-stress area principal stress consecutive excavation stage principal...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-007
... of 2.5 months. Upstream Oil & Gas concrete lining Reservoir Characterization steelwork shaft column MPa metals & mining operation shaft pillar strength lining design limit shaft pillar Anchor lava deformation excavation vertical stress plastic deformation level station...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-042
... reservoir geomechanics stability condition specimen vorkshop area strength programme investigation yorkshop area cable Reservoir Characterization displacement convergence MPa pillar deposit stabilization measure Upstream Oil & Gas Workshop Area layout pillar 4 stress...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-030
... an 8x4:2 pillar of material having UCS = 100 MPa, free of foundation or creep effects. The pillar strength can then be estimated to be a. - 100xO,40xl,Ixl,3xl,2xl,Oxl,O = 69 MPa (± perhaps 25 MPa) Wherever possible, back-analyses of actual pillar strengths in the field should be used to supplement...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-025
... investigation Fracture design and containment well integrity borehole 2 simple test tensile strength indication MPa determination packer Static and Dynamic Considerations in Rock Engineering, Brummer (ed.) © 1990 Balkema, Rotterdam. ISBN 90 6191 1532 Hydro-fracturing and fluid injection data from...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-004
... boreability sandstone MPa tunnel Static and Dynamic Considerations in Rock Engineering. Brummer (ed) © 1990 Balkema, RoNerdam. ISBN 90 6191 1532 Boreability assessments for the Lesotho Highlands Water Project G.T.Blindheim A. Boniface Keeve Steynlnc. Lesotho Highlands Consultants, Randburg, South Africa...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-015
... caverns (Lindbo. 1989). high pressure (some MPa) repeatedly applies at rocks through rock cavern linings. It is necessary to investigate long-term rack fatigue to evaluate the stability and design of underground rock caverns for SMES and high-pressure gas storage. Since the early 1970's. fatigue of hard...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-114
... Upstream Oil & Gas structural geology undrained shear behaviour characteristic consolidation path void ratio flow in porous media strength Lagon Bouffe MPa stress path Reservoir Characterization Fluid Dynamics particle stress magnitude experiment effective stress pore fluid...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-007
... LerriLories or Asia. Europe, NorLh America and Af'rica have been compiled in t.he paper. The rocks analyzed include areni t.e-s , wackes as well as pyroclasLic sandsLones or Lhe porosi t.y f rorn 0.2 % LO 55.9 % and or Lhe uniaxial compressive sLrengLh rrom 4.6 MPa LO 260 MPa. MOSL or Lhem come rrom coal...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-110
... puits, des phenomenes ~e discage ont permis de mettre en eVidence un champ de contraintes a t res forte composante EW (en fait, de l'ordre de 200 MPa en direction N110E) pour 120 a 130 MPa en direction N20E, a comparer aux 100 a 120 MPa (est Lmes) verticalement a des profondeurs de l'ordre de 4500 m...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-089
... Reservoir Characterization coordinator pressure reading failure strength rock mass Upstream Oil & Gas great depth MPa determination reservoir geomechanics deformation modulus stress increment Poisson axial stress increment biaxial stress strength hydraulic borehole pressure...

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