Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
801932 | Mechanics Research Communications | 2007 | 12 Pages |
Abstract
There is sparse documentation of the large normal stresses that develop in asphalt mixtures subjected to shear, a typical characteristic of non-linear materials. In this study, we continue our initial investigations of using a torsional rheometer for measuring the normal stresses developed in asphalt mixtures when subjected to torsion. Samples of sand-asphalt mixture are subjected to rotation rates as low as one revolution in ninety minutes. This study provides further clear evidence of significant development of normal stresses due to shearing and emphasizes the need for the development of models that can describe such a phenomenon.
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Authors
Parag Ravindran, J. Murali Krishnan, K.R. Rajagopal,