Steady State Strength Behavior of Yamuna Sand |
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Authors: | Sourav De Prabir Kumar Basudhar |
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Institution: | (1) Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, 208016, Uttar Pradesh, India |
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Abstract: | The paper pertains to the study of steady state or residual strength of sandy soils (Yamuna sand lying in the Indo-Gangetic
alluvial plains) by consolidated rebounded drained triaxial test with volume change measurements and strain-controlled consolidated
undrained test as well. The observed behavior obtained from these two tests is then compared to check their comparative merit.
The same was also compared with those of Ganga and Toyoura sand, and with the predicted behavior obtained by using a semi
empirical model. The results obtained from rebounded drained and undrained tests are found to be in good agreement. The curvature
of ultimate steady state line of Yamuna sand is similar in trend to Ganga and Toyoura sand in the initial mean effective principle
stress range; but the experimental observations with reference to Yamuna sand is not in good agreement with the model predictions
in the region of higher mean normal stress. A semi empirical general model has been developed fitting the data for better
prediction of the steady state behavior. |
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Keywords: | Liquefaction Rebounded drained triaxial test Steady state strength |
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