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Elastic behavior of weakly cemented contact

Abstract : We investigate the elastic behavior of weakly cemented contact. We show that the radial distribution of stresses and the stiffnesses of a cemented contact are governed by the ratio a/R, where R, a and are respectively the grain radius, the contact size, and the ratio of the elastic moduli of cement and grains. Moreover, we show that a cemented contact is always less stiff than a Hertzian contact having a similar size. Finally, we propose accurate approximate expressions of the contact stiffnesses.
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Submitted on : Wednesday, January 21, 2015 - 5:56:50 PM
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Vincent Langlois. Elastic behavior of weakly cemented contact. International Journal for Numerical and Analytical Methods in Geomechanics, Wiley, 2014, to appear, pp.1-7. ⟨10.1002/nag.2342⟩. ⟨hal-01104354⟩



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