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1-6 of 6
Keywords: rock strength
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-505
... saturation Fluid Dynamics calculation relative permeability rock strength wellbore 1. INTRODUCTION It is estimated that, on average, companies produce three barrels of water for each barrel of oil [1], seventy percent of which comes from weakly consolidated or unconsolidated sandstone. The intrusion...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-469
... shear plane numerical model numerical simulation stress state conventional triaxial test triaxial test criterion strength mohr-coulomb criterion localization rock strength peak strength intermediate principal stress polyaxial test rock failure principal stress 1. INTRODUCTION Most...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-539
... are fundamental concerns. Recent mathematical models of the penetration process now include the effect of the rock strength through an ill-defined yield stress . We show that the results of these models provide good agreement with laboratory data when the yield stress is set proportional to the UCS...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0805
... 1,4947 2,7148 OA753e·2 2,3905 Mab15 1.298 1.351 4,0807 2,2547e·5 6,0541 Mab12 1,4522 1.2739 3.4188 0,7858e-6 7,9003 Mab13 1.3218 1.3391 3,4385 0.93295 6.2720 Mabll 1.1665 1.41675 3.7871 0,5806e-4 7,4420 Mab9 1.0440 1.04396 3,1503 0,7443e-3 6.3961 S. Fracture surface rra(tal and rock strength 5.1...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-1307
... ABSTRACT ABSTRACT: This paper proposes a new test for rock strength- the double-punch test, which was introduced by Chen (1970) for the determination of the indirect tensile strength of concrete. In this test, a circular cylindrical specimen of diameter 2b and length 2h is subjected to two...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-1321
... on a prismatic specimen, and enables rock strength testing under stress conditions encountered at depths reaching 10 km. An extensive series of true tri- axial tests in Westerly granite and KTB amphibolite reveals that the intermediate principal stress has a significant effect on rock strength, contrary...