Testing and Modeling Two Rockfill Materials
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 129, Issue 3
Abstract
Modeled rockfill materials consisting of rounded and angular particles obtained from two dam sites are subjected to drained triaxial tests using large size specimens. An elastoplastic constitutive model based on the disturbed state concept is adopted to characterize the behavior of the modeled rockfill materials. The material parameters for the two rockfill materials are determined from the experimental results. The variation of the material parameters with respect to the size of the particles for the rockfill material with the rounded particle is, in general, opposite to that for the rockfill material with the angular particles. The model is shown to provide satisfactory prediction of the behavior of the rockfill materials tested. Material parameters are predicted for prototype size of rockfill materials.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 129 • Issue 3 • March 2003
Pages: 206 - 218
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Dec 8, 2000
Accepted: Jun 25, 2002
Published online: Feb 14, 2003
Published in print: Mar 2003
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