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Generalized method for assessment of compressibility of rockfill material

Sitharam, TG and Nagaraj, TS and Yaligar, P (1997) Generalized method for assessment of compressibility of rockfill material. In: 14th International Conference on Soil Mechanics and Foundation Engineering, SEP 06-12, 1997, Hamburg, Germany.

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Examination of experimental data of the modelled rockfill materials using parallel gradation technique has revealed that the plots of logarithm of strain at failure against logarithm of confining pressure are linear. Also, a trend of increase in failure strain with increase in confining pressure and maximum size of the particle have been observed. The approach presented in this paper highlights the prediction of volume change properties of rockfill materials over a range of confining pressures and particle sizes based on the results of only two tests carried out at two different confining pressures for a maximum particle size of modelled material with the use of parallel gradation technique. Two test approach and its application in modelling of rockfill materials to estimate its volume change behaviour is illustrated by means of a selected experimental data available in the literature.

Item Type: Conference Paper
Publisher: A A Balkema
Additional Information: Copyright of this article belongs to A A Balkema.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 15 Mar 2012 09:49
Last Modified: 15 Mar 2012 09:49
URI: http://eprints.iisc.ac.in/id/eprint/43943

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