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Keywords: strength failure
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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-01-0753
... ABSTRACT: During fracture toughness testing, two different failure mechanisms presumably act within a notched specimen. The first is a strength failure controlled by the tensile strength of the material. The second is the failure due to crack extension, governed by the fracture toughness. In...
Proceedings Papers

Paper presented at the The 10th U.S. Symposium on Rock Mechanics (USRMS), May 20–22, 1968
Paper Number: ARMA-68-0409
.... This process is associated with departure from linearity for the axial strain-stress curve and change in curvature sign for the volumetric strain-stress curve. Next, strength failure occurs, i. e., the loss of the maximum load-bearing capacity. Upstream Oil & Gas Rock mechanics...

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