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Keywords: delamination
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1803
... & Gas phyllosilicate mineral reservoir geomechanics nano-indentation test mechanism loading delamination moduli indentation biotite mineral indenter elastic property anisotropy Zhang muscovite 1. INTRODUCTION As one of the most common minerals composing felsic to intermediate igneous...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0444
... ABSTRACT: Stress-driven instability of roof rocks in coal mine entries can result in large roof falls with associated safety hazards. Failure may be related to spalling, cutter formation, and delamination of bedding of the roof strata. The mode of failure is similar to failure of brittle...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7074
... to the entries. The numerical models show further that delamination of bedded strata can occur to much greater heights above intersections than entries, which may further contribute to intersection instability. metals & mining intersection stability reservoir geomechanics strength US government...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-686
... fracture pattern and fracture aperture development in stratified systems. The results show higher vertical pressures enabled fractures to propagate across layer interfaces to form through-going fractures. Delamination at layer interfaces occurred after fracture initiation had taken place on each side...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1013
... and load to be determined (Bawden et al. 1998), knowledge management spokane research laboratory stope US government strain gauge metals & mining delamination king wire microstrain Occupational Safety and Health cable cable bolt gauge instrumented cable bolt instrumented king wire...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-480
... of these materials. In order to study micro- crack formation near a crack tip and its effects on crack behavior, a mica-epoxy composite material was developed. Multi-layer mica flakes were embedded in an epoxy matrix. Under high stress in the vicinity of a crack tip the mica delaminated, simulating the micro...

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