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On the packing and crushing of granular materials (2018)
Journal Article
de Bono, J. P., & McDowell, G. R. (2020). On the packing and crushing of granular materials. International Journal of Solids and Structures, 187, 133-140. https://doi.org/10.1016/j.ijsolstr.2018.07.011

This paper is a study of the dependence of the volume of voids in a granular material on the particle size distribution. It has previously been proposed that the volume of voids is proportional to the volume of the smallest particles. In a particle s... Read More about On the packing and crushing of granular materials.

Discreet element modeling of under sleeper pads using a box test (2018)
Journal Article
Li, H., & McDowell, G. R. (2018). Discreet element modeling of under sleeper pads using a box test. Granular Matter, 20(2), Article 26. https://doi.org/10.1007/s10035-018-0795-0

It has recently been reported that under sleeper pads (USPs) could improve ballasted rail track by decreasing the sleeper settlement and reducing particle breakage. In order to find out what happens at the particle-pad interface, discrete element mod... Read More about Discreet element modeling of under sleeper pads using a box test.

Micro mechanics of the critical state line at high stresses (2018)
Journal Article
de Bono, J. P., & McDowell, G. R. (2018). Micro mechanics of the critical state line at high stresses. Computers and Geotechnics, 98, https://doi.org/10.1016/j.compgeo.2018.02.016

A critical state line is presented for a crushable numerical soil, which is parallel to the isotropic normal compression line. A previous theory for the normal compression line, which correctly predicts the slope as a function of the size-effect on p... Read More about Micro mechanics of the critical state line at high stresses.

On the micro mechanics of yielding and hardening of crushable granular soils (2018)
Journal Article
de Bono, J. P., & McDowell, G. R. (2018). On the micro mechanics of yielding and hardening of crushable granular soils. Computers and Geotechnics, 97, https://doi.org/10.1016/j.compgeo.2018.01.010

Stress path tests are used to investigate the yield surface of a crushable numerical soil. Triaxial samples with isotropic and anisotropic stress histories are examined to determine the nature of the yield surface and to establish what governs yield.... Read More about On the micro mechanics of yielding and hardening of crushable granular soils.