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1-8 of 8
Keywords: incident bar
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1265
... subjected to different loading rates by adjusting the incoming wave in the incident bar. A micromechanical model in which the contact bond strength was allowed to vary in proportion to the relative velocity at the contact point of the involved particles was employed to capture the loading rate effect...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1612
..., and the relationship between fracture plane and confining stresses is finally clarified. Reservoir Characterization triaxial hopkinson bar system incident bar specimen strain rate Upstream Oil & Gas triaxial confinement triaxial compression impact velocity reservoir geomechanics dynamic stress...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-218
... were modeled using finite elements while the rock specimen was represented by a bonded particle discrete system. The incident stress pulse measured in the physical test was utilized as the input for the numerical simulation and was applied to the free end of the incident bar. Analysis of the numerical...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-424
... stress wave rock material Rock Mech hydrostatic stress tensile strength reservoir geomechanics tensile failure incident bar MPa rock sample dynamic tensile strength ARMA 16-424 Influence of hydrostatic confining pressure on the dynamic tensile failure of rock material Wu, B. and Xia, K...
Proceedings Papers
Dynamic Tensile Failure of Rocks Subjected to Simulated in Situ Stresses Around Underground Openings
Publisher: American Rock Mechanics Association
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-296
... failure total tensile strength tensile failure dynamic tensile strength strength microcrack specimen tensile strength reservoir characterization reservoir geomechanics dynamic strength mpa pretension upstream oil & gas strain gauge loading rate total strength incident bar rock...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-701
... Simulation national laboratory granite fracture manifold transmission bar shpb experiment Upstream Oil & Gas experiment Symposium Munjiza hopkinson pressure bar experiment simulation hydraulic fracturing incident bar tensile stress finite-discrete element method ARMA 13-701 Split...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-517
... experiments. SHPB TEST In the SHPB test the sample is placed between two bars,The bar on the left is called the incident bar, while the bar on the right is called the transmission bar. The pressure pulse is generated on the left hand side of the incident bar by the action of an impactor bar...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-212
... share common design elements. 2 long symmetrical bars are known as the incident bar and the transmitted bar with strain gauges mounted. Compressed gas launcher to produce consistent compressive pulse in the incident bar. Fig 4. Schematic drawing of SHPB sample-bar interaction The sample is sandwiched...