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1-11 of 11
Keywords: stress intensity factor
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Proceedings Papers
Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-169
..., J. Shang (Eds) 1 ARMS10 10 th Asian Rock Mechanics Symposium 29 October to 03 November, 2018, Singapore The ISRM International Symposium for 2018 under dynamic tests and obtained the fracture parameters such as crack tip position and stress intensity factor of the rock specimens. To sum up...
Proceedings Papers
Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-002
.... The result shows that the hydration swelling has a great influence on the stress intensity factor, the drilling fluid systems need to decrease the drilling fluid filter loss and increase the clay minerals hydrate inhibitor. The wetting behavior has a great influence on the wellbore stability, the drilling...
Proceedings Papers
Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-118
... notch has been proposed. However, the stress intensity factor on the CCNSCB test has not been made clear, sufficiently considering cracking such as initiation/propagation and geometry of critical crack front at maximum load. In this paper, by means of software ABAQUS, a cracking behavior from the tip...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-062
... for the long-term integrity of a carbonate rock. Reservoir Characterization asian rock mechanics symposium arms8 crack velocity relative humidity Upstream Oil & Gas specimen Macedonian marble Kumamoto andesite stress intensity factor Silicate Rock subcritical crack growth carbonate rock...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-189
... Abstract When an elastic substrate is subject to indentation with rigid, flat-ended and periodic indenters, a periodic singular stress fields and K-dominant regions should arise adjacent to the indenter edges. The concept of indentation stress intensity factor K ind can be introduced...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-184
... of development of ISRM Suggested Method for Mode I static fracture toughness determination of rock and other geomaterials using SCB specimen, which was recently approved by ISRM. The details of the development process including the stress intensity factor calibration using the finite element method, improvement...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-001
... accurate local calculations of the stress intensity factor. Lastly, a method for fracture-driven rock fragmentation with a velocity-dependent propagation law is discussed. Keywords: Failure, Fracture, Fragmentation, Mogi-Coulomb, Stress intensity factor, True-triaxial stress 1. TRUE-TRIAXIAL FAILURE...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-138
...ISRM International Symposium 2008 5th Asian Rock Mechanics Symposium (ARMS5), 24-26 November 2008 Tehran, Iran 1135 DETERMINATION OF STRESS INTENSITY FACTORS FOR JOINTED BRITTLE ROCK MEDIUM USING ELEMENT FREE GALERKIN METHOD H. MIRZAEI 1, R. KAKAIE 2 and B. HASSANI 3 1 Ph.D. Student, Faculty...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-016
... ABSTRACT In this research, mixed mode crack growth behaviour of Dehbid marble is assessed by means of the cracked beam specimen under asymmetric four-point bend (AFPB) loading. The specimen is a suitable configuration for testing rocks and geo-materials. The stress intensity factors are also...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-065
... assessment of the stress intensity factor at the crack bottom was made by using the model established for the stress in the crack. It confirms the possibility to initiate a rupture according to the principles of linear failure mechanics. This study gives encouraging results, which could be used to establish...
Proceedings Papers
Paper presented at the ISRM International Symposium - 2nd Asian Rock Mechanics Symposium, September 11–14, 2001
Paper Number: ISRM-ARMS2-2001-032
... point of crack surface displacement view: mode 1 (Opening mode), mode II (sliding mode) and mode III (tearing mode). The stress intensity factors and its critical values (as called fracture toughness) associated with each mode are labeled by K1, K2, K3 and K1c, K2c, K3c respectively. In addition...