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Keywords: valeur
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Proceedings Papers
Wellbore Breakouts Within a Deep Claystone Formation: Mechanical Back-analysis And Relationship With Physical Parameters
Available to Purchase
Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-217
... Upstream Oil & Gas resistance reservoir geomechanics wellbore breakout argilite forage instabilite Reservoir Characterization orientation variability rupture breakout paroi fluide amplitude deep claystone formation calcul ovalisation mecanique draine horizontale valeur...
Proceedings Papers
Estimation Des Contraintes In Situ En Milieux Rocheux Endommageables
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Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-259
... linear optimization problem defined by equa- rectes' sont ensuite effectuees afm de determiner des valeurs des tion (27). deformations Ii la paroi du forage de mesure pour un etat de Further, as in situ measurements always contain some degree contraintes donnees. Des comparaisons des resultats obtenus Ii...
Proceedings Papers
Numerical Modeling of a Foundation On Rock Slope Using the Distinct Element Method:Comparison 2-D/3-D
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Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-014
... is horizontal, whereas the second part deals with larger 2D and 3D models rock slope discontinuite distinct element method massif section carree bloc persistante valeur circulaire du puit modèle foundation fondation pendage que numerical modeling Modelisafion nurnerique d'une fondation...
Proceedings Papers
Experience Return On the Empirical Methods of Support Requirement Evaluation During Underground Excavation Projects
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Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-074
... roche, en faisant correspondre ~ chaque pa- empiriques, elles doivent etre utili~s avec prudence car Ia reo rametre, que se soit une valeur numerique ou une description, un presentativi~ statistique des cas reels compil~s sur lesquels eUes intervaIle de valeur ou une classe. Ce travail ~tant effectu...
Proceedings Papers
Modelling Hydraulic Jacking-tests On a Pre-existing Fracture System
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Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-172
... la prise en compte d'une geometrie à plusieurs fractures peut expliquer certains comportements hydrauliques, tout en minorant le rôle des limites et en conservant pour les paramètres mecaniques, des valeurs proches des estimations faites sur le terrain. ZUSAMMENFASSUNG: Die Interpretation von...
Proceedings Papers
Microseismicity And Damage Localisation On Rocks: Experimental And Numerical Approach
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Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-168
... comportement macroscopique allant du fragile avec un endommagement localise au ductile avec un endommagement diffus. Ces comportements sont controles par un seul paramètre: l'angle de frottement interne ø. Le modèle permet, à partir des valeurs de ø obtenues experimentalement, de simuler les transitions...
Proceedings Papers
Rock Engineering: New Progress In Computer Science As A Way To Deal With Empiricism
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Paper presented at the 8th ISRM Congress, September 25–29, 1995
Paper Number: ISRM-8CONGRESS-1995-191
... apprentissage connaissance Artificial Intelligence par exemple empirisme propriete valeur Rock Mech roch raisonnement resultat modèle computer science syst exemple rock engineering mecanique Ingemierie en rnecanlque des roches: de nouveaux proqres en informatique comme moyen de traiter...
Proceedings Papers
The Bois Des Chenes Tunnel - Design, Construction And Geotechnical Monitoring
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Paper presented at the 7th ISRM Congress, September 16–20, 1991
Paper Number: ISRM-7CONGRESS-1991-257
... terrassement convergence seconde phase soutenement supérieure beton projete valeur Mise excavation du stross MPa Bois mesure piedroit long terme dimensionnement premiere phase excavation tunnel pression ABSTRACT: During the excavation of the Bois des Chênes tunnel, 11...
Proceedings Papers
A Polyaxial Test Apparatus For Testing Small Cubic Samples
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Paper presented at the 7th ISRM Congress, September 16–20, 1991
Paper Number: ISRM-7CONGRESS-1991-088
... Reservoir Characterization reservoir geomechanics Wellbore Design piston recherche m6earoch Polyaxial Test Apparatus recherche m6caroch testing small cubic sample presse polyaxiale Polytechnique rupture installation valeur aetuellement Mise dan trois direction perpendiculaire...
Proceedings Papers
Experimental Study And Modelling of Hydromechanical Coupling In Rock
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Paper presented at the 7th ISRM Congress, September 16–20, 1991
Paper Number: ISRM-7CONGRESS-1991-081
...]. Biot variation consolidation que coefficient interaction partir valeur constante Health & Medicine hydrostatique draine courbe pression relation hydromechanical coupling experimental study pression interstitielle non drain lineaire Experimental study and modelling...
Proceedings Papers
Modelling of Underground Cavity Storage And Consideration of Rock Mass Discontinuities
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Paper presented at the 7th ISRM Congress, September 16–20, 1991
Paper Number: ISRM-7CONGRESS-1991-135
... dimensions pour une cavite de 4 m de hauteur et 35 m de large. Upstream Oil & Gas resoblok terrain fracture underground cavity storage finis cavite mesure par rock mass discontinuity methode consideration bloc Compte calcul contrainte valeur Modelisation des cavites de stockage...
Proceedings Papers
Reinforcement And Control of Footwall Slopes In an Open Pit Coal Mine
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Paper presented at the 7th ISRM Congress, September 16–20, 1991
Paper Number: ISRM-7CONGRESS-1991-191
... reservoir simulation reinforcement terrain longueur metals & mining profondeur coefficient du site footwall slope fosse 4 bane boulonnage fonction glissement nord-ouest Gard rupture valeur approfondissement mecanique RESUME: La decouverte de Grand Baume dans le...
Proceedings Papers
Integral Method For The Design Of Grouted Rock Anchors
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Paper presented at the 6th ISRM Congress, August 30–September 3, 1987
Paper Number: ISRM-6CONGRESS-1987-142
... coulis que valeur Sherbrooke comportement 1 rupture du cou1is ancrage Methode integrale de dimensionnement d'ancrages cirnentes dans Ie rocher Integral method for the design of grouted rock anchors Ein integrales Verfahren zur Bemessung von Injektionsankern im Fels G.BALLlVY, Departement de...
Proceedings Papers
Analysis Of The Time-Dependent Behaviour Of Underground Works
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Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-142
... souterrain structural geology panet hypoth underground work mod Reservoir Characterization sur radoucissant souterrain par constante time-dependent behaviour que valeur tunnel ANALYSE DU COMPORTEMENT DIFFERE DES OUVRAGES SOUTERRAINS Analysis of the time-dependent behaviour of underground...
Proceedings Papers
Rock Salt As A Viscous Liquid
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Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-143
... des variations de la longueur de l'echantillon (contraction ou extension), l'evolution dans le temps de la valeur absolue de la deformation longitudinale e s'effectue à vitesse positive decroissante, quasi-infinie au temps zero (les pressions sont appliquees instantanement puis maintenues constantes...
Proceedings Papers
Numerical Models For Failure Analysis With Dilatancy
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Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-222
... heterogeneite se traduit par une dispersion importante des valeurs mesurees pour une meme discontinuite. La determination de valeurs de la cohesion à l'echelle des ouvrages n'est generalement pas possible. Par ailleurs, les phenomènes d'alteration entrainent une destruction progressive de la cohesion dans les...
Proceedings Papers
Assessment Of In Situ Stresses In The Upper Layers Of A Schistous Bedrock
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Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-213
... mesure valeur pressiom trique ainsi que ensemble contrainte EVALUATION DES CONTRAINTES NATURELLES DANS LES COUCHES SUPERIEURES D'UN MASSIF SCHISTEUX . Assessment of in situ stresses in the upper layers of a schistous bedrock Abschatzung der natOrlichen Spannungen in den oberen Schichten eines...
Proceedings Papers
Numerical Analysis Of Rock Masses With Planar Structure
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Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-223
.... On lui demande le plus souvent de determiner une valeur de la capacite portante et/ou une estimation des deplacements. La capacite portante d'un tel massif rocheux est evaluee selon les cas par deux approches differentes: -celle des milieux continus utilisee en mecanique des sols à l'aide d'un modèle...
Proceedings Papers
Evolution Of Mechanical Properties Of A Stratified Rock Under Confining Pressure
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Paper presented at the 4th ISRM Congress, September 2–8, 1979
Paper Number: ISRM-4CONGRESS-1979-002
... modes de d formation et de rupture, et de quantifier l'evolution des proprietes mecaniques suivant 1'orientation du milieu et la valeur de la contrainte isotrope appliquee. Nous avons amorce une telle etude en developpant un programme experimental en compressions triaxiales de revolution sur une roche...
Proceedings Papers
Statistical Classification Of Seismic Measures And Dam Design
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Paper presented at the 4th ISRM Congress, September 2–8, 1979
Paper Number: ISRM-4CONGRESS-1979-116
... sites, pour donner plus de valeur aux conclusions de prospecteur geophysicien. La presente communication rend compte des premiers resultats d'un travail de recherche entrepris à la Compagnie de Prospection Geophysique Française, avec l'aide financière du gouvernement français (Delegation Generale à la...
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