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Dr Marti Lloret-Cabot's Outputs (28)

Relevance of correlation length in geotechnical engineering (2024)
Presentation / Conference Contribution
Lloret-Cabot, M., Zhang, K., Zhang, W., & Toll, D. (2024, August). Relevance of correlation length in geotechnical engineering. Presented at Proceedings of the XVIII ECSMGE 2024, Lisboa

Soils are heterogeneous in nature and as such, their properties inherently exhibit a distinct spatial variation that reveals past information of their geological history. This spatial variability is an important source of geotechnical uncertainty and... Read More about Relevance of correlation length in geotechnical engineering.

UKACM Proceedings 2024 (2024)
Presentation / Conference Contribution
(2024, April). UKACM Proceedings 2024. Presented at 2024 UK Association for Computational Mechanics Conference, Durham, UK

The proceedings present 52 scientific papers written for the 32nd conference of the UK Association for Computational Mechanics (UKACM). The papers submitted to UKACM 2024 cover the breadth of computational mechanics research within the UK and beyond... Read More about UKACM Proceedings 2024.

Spatial Variability of Soil Properties in Saudi Arabia: Estimation of Correlation Length (2024)
Presentation / Conference Contribution
Zhang, K., Lloret-Cabot, M., Zhang, W., & Kourdey, A. (2024, April). Spatial Variability of Soil Properties in Saudi Arabia: Estimation of Correlation Length. Presented at 2024 UK Association for Computational Mechanics Conference, Durham, UK

Spatial variability of soil properties plays an important role in geotechnical engineering, influencing the design and performance of geo-structures. This study investigates the characterisation of this spatial variability by examining in-situ soil d... Read More about Spatial Variability of Soil Properties in Saudi Arabia: Estimation of Correlation Length.

Mathematical modelling of pressure induced freezing point depression within soils exhibiting strong capillary pressure effect (2024)
Presentation / Conference Contribution
Lgotina, E., Mathias, S., Lloret-Cabot, M., & Ireson, A. (2024, April). Mathematical modelling of pressure induced freezing point depression within soils exhibiting strong capillary pressure effect. Presented at 2024 UK Association for Computational Mechanics Conference, Durham, UK

Many geotechnical applications are affected by the melting and formation of ice in soils. Current state of practice involves incorporating the presence of ice within hydrological models for unsaturated soils using the so-called generalised Clapeyron... Read More about Mathematical modelling of pressure induced freezing point depression within soils exhibiting strong capillary pressure effect.

A non-hysteretic simplification to the Glasgow Coupled Model (GCM) (2024)
Presentation / Conference Contribution
Mutsvairo, T., Lloret-Cabot, M., Hughes, P., Muguda-Viswanath, S., & Dias, A. S. (2024, April). A non-hysteretic simplification to the Glasgow Coupled Model (GCM). Presented at 2024 UK Association for Computational Mechanics Conference, Durham, UK

The Glasgow Coupled Model (GCM) is an established elasto-plastic constitutive model developed to capture the coupled hydro-mechanical response of unsaturated soils. This study highlights the unique capabilities of the GCM in modelling the water ret... Read More about A non-hysteretic simplification to the Glasgow Coupled Model (GCM).

Numerical performance of different order explicit integration schemes with substepping and automatic error control (2023)
Presentation / Conference Contribution
Lloret-Cabot, M., & Sheng, D. (2023, June). Numerical performance of different order explicit integration schemes with substepping and automatic error control. Presented at 10th European Conference on Numerical Methods in Geotechnical Engineering, London

The numerical integration of the incremental stress-strain relations of a constitutive model for soils plays a central role in the overall computational performance of geotechnical finite element analyses and it is, therefore, desirable to have an ef... Read More about Numerical performance of different order explicit integration schemes with substepping and automatic error control.

Numerical integration of the Glasgow Coupled Model (GCM) (2023)
Presentation / Conference Contribution
Lloret-Cabot, M., Wheeler, S. J., & Gens, A. (2023, May). Numerical integration of the Glasgow Coupled Model (GCM). Presented at 8th International Conference on Unsaturated Soils (UNSAT 2023), Milos, Greece

This paper presents the derivation of the incremental constitutive relations of the Glasgow Coupled Model (GCM), an established elasto-plastic model for unsaturated soils intended to represent their mechanical and water retention behaviour. The set o... Read More about Numerical integration of the Glasgow Coupled Model (GCM).

Assessing the accuracy and efficiency of different order implicit and explicit integration schemes (2021)
Journal Article
Lloret-Cabot, M., & Sheng, D. (2022). Assessing the accuracy and efficiency of different order implicit and explicit integration schemes. Computers and Geotechnics, 141, Article 104531. https://doi.org/10.1016/j.compgeo.2021.104531

A first order accurate fully implicit integration scheme and four different order explicit substepping integration schemes with automatic error control are used in this paper to integrate the constitutive relations of a critical state model for satur... Read More about Assessing the accuracy and efficiency of different order implicit and explicit integration schemes.

Numerical integration of an elasto-plastic critical state model for soils under unsaturated conditions (2021)
Journal Article
Lloret-Cabot, M., Wheeler, S. J., Gens, A., & Sloan, S. W. (2021). Numerical integration of an elasto-plastic critical state model for soils under unsaturated conditions. Computers and Geotechnics, 137, Article 104299. https://doi.org/10.1016/j.compgeo.2021.104299

This paper presents the complete set of incremental equations for the numerical integration of the Glasgow Coupled Model (GCM) and a comprehensive algorithm for its numerical integration. The incremental formulation proposed is expressed in terms of... Read More about Numerical integration of an elasto-plastic critical state model for soils under unsaturated conditions.

A hysteretic hydraulic constitutive model for unsaturated soils and application to capillary barrier systems (2020)
Journal Article
Scarfone, R., Wheeler, S. J., & Lloret-Cabot, M. (2022). A hysteretic hydraulic constitutive model for unsaturated soils and application to capillary barrier systems. Geomechanics for Energy and the Environment, 30, Article 100224. https://doi.org/10.1016/j.gete.2020.100224

Unsaturated soils exhibit water retention hysteresis, with different water retention behaviour during drying and wetting paths. Water retention hysteresis has often been modelled using expressions for the main drying and main wetting water retention... Read More about A hysteretic hydraulic constitutive model for unsaturated soils and application to capillary barrier systems.

Conceptual Hydraulic Conductivity Model for Unsaturated Soils at Low Degree of Saturation and Its Application to the Study of Capillary Barrier Systems (2020)
Journal Article
Scarfone, R., Wheeler, S. J., & Lloret-Cabot, M. (2020). Conceptual Hydraulic Conductivity Model for Unsaturated Soils at Low Degree of Saturation and Its Application to the Study of Capillary Barrier Systems. Journal of Geotechnical and Geoenvironmental Engineering, 146(10), Article 04020106. https://doi.org/10.1061/%28asce%29gt.1943-5606.0002357

Accurate modeling and prediction of the variation of the hydraulic conductivity of unsaturated soils at a very low degree of saturation has important implications in various engineering problems. Physical processes underlying the hydraulic behavior o... Read More about Conceptual Hydraulic Conductivity Model for Unsaturated Soils at Low Degree of Saturation and Its Application to the Study of Capillary Barrier Systems.

A bounding surface mechanical model for unsaturated cemented soils under isotropic stresses (2020)
Journal Article
Bruno, A. W., Gallipoli, D., Rouainia, M., & Lloret-Cabot, M. (2020). A bounding surface mechanical model for unsaturated cemented soils under isotropic stresses. Computers and Geotechnics, 125, Article 103673. https://doi.org/10.1016/j.compgeo.2020.103673

This paper presents a model that describes the gradual yielding of unsaturated cemented soils subjected to isotropic loading. The model relies on the definition of a “cementation bonding function” which accounts for the progressive breakage of inter-... Read More about A bounding surface mechanical model for unsaturated cemented soils under isotropic stresses.

Reply to “Discussion of “From saturated to unsaturated conditions and vice versa” by M. Lloret-Cabot et al. (DOI 10.1007/s11440-017-0577-6)” by S. Qi et al. (DOI 10.1007/s11440-017-0625-2) (2018)
Journal Article
Lloret-Cabot, M., Wheeler, S. J., Pineda, J. A., Romero, E., & Sheng, D. (2018). Reply to “Discussion of “From saturated to unsaturated conditions and vice versa” by M. Lloret-Cabot et al. (DOI 10.1007/s11440-017-0577-6)” by S. Qi et al. (DOI 10.1007/s11440-017-0625-2). Acta Geotechnica, 13(2), 493-495. https://doi.org/10.1007/s11440-017-0626-1

From saturated to unsaturated conditions and vice versa (2017)
Journal Article
Lloret-Cabot, M., Wheeler, S. J., Pineda, J. A., Romero, E., & Sheng, D. (2018). From saturated to unsaturated conditions and vice versa. Acta Geotechnica, 13(1), 15-37. https://doi.org/10.1007/s11440-017-0577-6

Representing transitions between saturated and unsaturated conditions, during drying, wetting and loading paths, is a necessary step for a consistent unification between saturated and unsaturated soil mechanics. Transitions from saturated to unsatura... Read More about From saturated to unsaturated conditions and vice versa.

A unified mechanical and retention model for saturated and unsaturated soil behaviour (2016)
Journal Article
Lloret-Cabot, M., Wheeler, S. J., & Sánchez, M. (2017). A unified mechanical and retention model for saturated and unsaturated soil behaviour. Acta Geotechnica, 12(1), 1-21. https://doi.org/10.1007/s11440-016-0497-x

The coupled mechanical and water retention elasto-plastic constitutive model of Wheeler, Sharma and Buisson (the Glasgow coupled model, GCM) predicts unique unsaturated isotropic normal compression and unsaturated critical state planar surfaces for s... Read More about A unified mechanical and retention model for saturated and unsaturated soil behaviour.

Error behaviour in explicit integration algorithms with automatic substepping (2016)
Journal Article
Lloret-Cabot, M., Sloan, S. W., Sheng, D., & Abbo, A. J. (2016). Error behaviour in explicit integration algorithms with automatic substepping. International Journal for Numerical Methods in Engineering, 108(9), 1030-1053. https://doi.org/10.1002/nme.5245

This paper studies the behaviour of the error incurred when numerically integrating the elasto‐plastic mechanical relationships of a constitutive model for soils using an explicit substepping formulation with automatic error control. The correct upda... Read More about Error behaviour in explicit integration algorithms with automatic substepping.