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Keywords: yielding
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Proceedings Papers

Paper presented at the The 35th U.S. Symposium on Rock Mechanics (USRMS), June 5–7, 1995
Paper Number: ARMA-95-0825
... ABSTRACT: This paper discusses time-dependent behaviour of cut slopes in clay shales, special attention being paid to the effect of strength deterioration due to softening and a stress transfer phenomenon associated with progressive yielding. Cutting is analyzed as an example using a finite...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0125
... that use of yield pillars may reduce or eliminate some stress-related problems that plague longwall panel entry design. 1 INTRODUCTION The objective of this research is improved understanding of longwall mine stability problems under various conditions. The ability to deal with structural stability...
Proceedings Papers

Paper presented at the The 28th U.S. Symposium on Rock Mechanics (USRMS), June 29–July 1, 1987
Paper Number: ARMA-87-0843
... the longitudinal axis of the tunnel. The equilibrium equation for a linear Mohr-Coulomb failure criterion can be written as: (mathematical equation)( available in full paper) Upstream Oil & Gas strength equivalent plastic zone excavation Wellbore Design yielding wall convergence grouted bolt...
Proceedings Papers

Paper presented at the The 21st U.S. Symposium on Rock Mechanics (USRMS), May 27–30, 1980
Paper Number: ARMA-80-0787
... or "delay" of the support construction behind the tunnel face, and (3) the increase of support loads accompanying yielding of the ground mass. Each of these factors is studied in detail using both closed-form analytical derivations and finite element numerical solutions. The simplified analysis method...

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