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Barreto Gonzalez, D. (2018, December). Entropy coordinates - Useful descriptor for particle siz edistributions and their link to various geotechnical properties
No abstract available.
Bosoc, L., Barreto Gonzalez, D., & Rouainia, M. (2018, June). DEM Modelling of Tunnelling-Induced Settlements – Void Ratio and Rate of Mass Removal Effects. Paper presented at 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems)
Barreto Gonzalez, D., & Imre, E. (2017, May). Preliminary study on the relationship between statistical entropy coordinates and the mechanical behaviour of granular materials. Presented at 14th Joint European Thermodynamics Conference
Scottish Funding Council
Student Placement Innovation Voucher as continuation of earlier Standard Innovation Voucher in partnership with Geo-Info Ltd.
This project aims to extend the earlier project by assessing the performan...
Royal Society of Edinburgh
This is a follow on project, which aims to use statistical entropy concepts to understand the behaviour of granular materials, and will fund a 4-week stay in Hungary to work with Budapest University o...
This research builds on existing cooperation with Dr Emoke Imre from Obuda University in Hungary.
The aim of the project is to visit the institution in Budapest to further research and deliver a lec...
Kelly, D., McDougall, J., & Barreto, D. (2012, August). Effect of particle loss on soil behaviour. Paper presented at ICSE-6 6th International Conference on Scour and Erosion
Soil particle loss can result in strength and volume reductions which are difficult to predict. This paper investigates the
influence of the removal of fractions of selected p...
Barreto, D. (2011, January). Exploring the effects of stress history on the drained and undrained cyclic behaviour of granular materials. Paper presented at 5th International Conference on Geotechnical Earthquake Engineering (5-ICEGE), Santiago, Chile
This paper presents the results of 3D DEM simulations of granular materials subject to cyclic loading. While both the drained and undrained conditions are considered, the effe...
O'Sullivan, C., Cui, L., & Barreto, D. (2009, November). Radial periodic boundaries for axi-symmetric DEM simulations: development, implementation and validation. Paper presented at International Conference on Particle-Based Methods: Particles, Barcelona, Spain
Barreto, D. (2008, June). Evolution of soil fabric and its interpretation using different methods. Paper presented at British Geotechnical Association (BGA) Young Geotechnical Engineers' Symposium, UCL, London
Different methods to study the evolution of fabric anisotropy are presented. DEM simulations on assemblies of spheres subjected to different stress paths using a three-dimensi...
Barreto, D., O'Sullivan, C., & Zdravkovic, L. (2008, May). DEM simulations of granular materials involving principal stress rotation. Paper presented at Inaugural International Conference of the Engineering Mechanics Institute - EM'08, Minneapolis, USA
Barreto, D. (2004, January). Design of geotechnical structures according to Eurocode 7 and other International standards. Paper presented at X Conference and V Colombian Congress on Geotechnics, Colombia
Fonseca, J., Riaz, A., Bernal-Sanchez, J., Barreto Gonzalez, D., McDougall, J., Miranda Manzanares, M., …Dimitriadi, V. (2019). Particle-scale interaction in sand-rubber mixtures and their influence on energy dissipation mechanisms. Géotechnique Letters, 9(4), 1-6. https://doi.org/10.1680/jgele.18.00221
Sand-rubber mixture (SRm) behaviour is affected by rubber content (RC) whilst dissipation in sands is caused by inter-particle sliding. Dissipation in SRm is as, or more signi...
McDougall, J., Kelly, D., & Daniel, B. (2019). Particle loss: An initial investigation into size effects and stress-dilatancy. Soils and Foundations, https://doi.org/10.1016/j.sandf.2019.03.002
Drained triaxial tests have been performed to explore the effect of particle loss on shearing behaviour and critical states in granular mixtures. The mixtures comprise Leighto...
Jiang, M. D., Yang, Z. X., Barreto, D., & Xie, Y. H. (2018). The influence of particle-size distribution on critical state behavior of spherical and non-spherical particle assemblies. Granular Matter, 20(80), doi:10.1007/s10035-018-0850-x
This paper presents an investigation into the effects of particle-size distribution on the critical state behavior of granular materials using Discrete Element Method (DEM) si...
Xie, Y. H., Yang, Z. X., Barreto, D., & Jiang, M. D. (2017). The influence of particle geometry and the intermediate stress ratio on the shear behavior of granular materials. Granular Matter, 19(2), 34-48. https://doi.org/10.1007/s10035-017-0723-8
The behavior of granular materials is very complex in nature and depends on particle shape, stress path, fabric, density, particle size distribution, amongst others. This pape...
Barreto, D., Rouainia, M., & Simpson, D. (2014). Significance of DEM input parameters on the modelling of low strength soft rock mechanical behaviour. In K. Soga, K. Kumar, G. Biscontin, & M. Kuo (Eds.), Geomechanics from Micro to Macro, 403-407. CRC Press - Taylor & Francis
O'Sullivan, C., Wadee, M., Hanley, K., & Barreto, D. (2013). Use of DEM and elastic stability analysis to explain the influence of the intermediate principal stress on shear strength. Géotechnique, 63(15), 1298-1309. https://doi.org/10.1680/geot.12.p.153
One interesting aspect of soil response is the sensitivity of the mechanical behaviour to the intermediate principal stress. In this study, a fundamental mechanism that explai...
This project aims to review an assess existing remote sensing technologies in order to improve and adapt technologies currently used in other fields to civil engineering applications. The two main aim...
This is a travel grant to develop research on unsaturated soil behaviour and cyclic behaviour of soils and their relations with climate changes effects on civil engineering infrastructure. It aims to ...
Royal Academy of Engineering
Structures such as bridges or wind turbines develop loads that have to be transmitted to the ground.
The loads can be static (self-weight) or dynamic (wind, wave or traffic loads) and may be significa...
The main aim of the project seeks to enhance the resistance of the soil foundation against seismic events with the introducti...