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Professor GLENN MCDOWELL's Outputs (44)

A new creep law for crushable aggregates (2013)
Journal Article
McDowell, G. R., & de Bono, J. P. (2013). A new creep law for crushable aggregates. Géotechnique Letters, 3(3), https://doi.org/10.1680/geolett.13.00030

The authors have recently proposed a new equation for the one-dimensional (1D) normal compression line, which contains a parameter controlling the size effect on average strength. They showed that the equation held for a wide range of discrete-elemen... Read More about A new creep law for crushable aggregates.

A study of geogrid-reinforced ballast using laboratory pull-out tests and discrete element modelling (2013)
Journal Article
Chen, C., McDowell, G. R., & Thom, N. (in press). A study of geogrid-reinforced ballast using laboratory pull-out tests and discrete element modelling. Geomechanics and Geoengineering, 8(4), https://doi.org/10.1080/17486025.2013.805253

This paper presents an evaluation of the behaviour of geogrid-reinforced railway ballast. Experimental large box pull-out tests were conducted to examine the key parameters influencing the interaction between ballast and the geogrid. The experimental... Read More about A study of geogrid-reinforced ballast using laboratory pull-out tests and discrete element modelling.

Discrete element modelling of uniaxial constant strain rate tests on asphalt mixtures (2013)
Journal Article
Cai, W., McDowell, G. R., & Airey, G. (2013). Discrete element modelling of uniaxial constant strain rate tests on asphalt mixtures. Granular Matter, 15(2), https://doi.org/10.1007/s10035-013-0396-x

Constant strain rate tests for a graded asphalt mixture under three constant strain rates have been undertaken in the laboratory. The Discrete Element Model has been used to simulate the laboratory tests with a numerical sample preparation procedure... Read More about Discrete element modelling of uniaxial constant strain rate tests on asphalt mixtures.

Discrete element modelling of a flexible membrane for triaxial testing of granular material at high pressures (2012)
Journal Article
de Bono, J. P., McDowell, G. R., & Wanatowski, D. (2012). Discrete element modelling of a flexible membrane for triaxial testing of granular material at high pressures. Géotechnique Letters, 2(4), https://doi.org/10.1680/geolett.12.00040

The discrete element method (DEM) has been used to simulate triaxial tests on a bonded material at high pressures. A key feature of the model is the use of a flexible membrane that allows the correct volumetric deformation and the true failure mode... Read More about Discrete element modelling of a flexible membrane for triaxial testing of granular material at high pressures.