Browsing by Author "Rodríguez Dono, Alfonso"
Now showing items 1-20 of 21
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A new approach to model geomaterials with heterogeneous properties in thermo-hydro-mechanical coupled problems
(Elsevier, 2023-07)
Article
Open AccessThe main objective of this article is to present a new approach to model coupled thermo-hydro-mechanical problems considering geomaterials with heterogeneous properties. This approach has been implemented in the software ... -
A new method for exploiting mine geothermal energy by using functional cemented paste backfill material for phase change heat storage: design and experimental study
(Elsevier, 2022-10)
Article
Restricted access - publisher's policyThe research on mine geothermal energy exploitation has attracted global interest for many years. This paper proposes an innovative new method for geothermal-coal synergetic mining (GE-COSM) to expand the valorization of ... -
Analysis and modelling of longitudinal deformation profiles of tunnels excavated in strain-softening time-dependent rock masses
(Elsevier, 2020-09)
Article
Open AccessRock mass behaviour model selection, in particular, to represent the post-failure behaviour and time-dependent behaviour of rock masses, are critical issues in the correct application of tunnelling design techniques such ... -
Análisis de riesgos en proyectos de almacenamiento geológico de CO2: selección de emplazamientos adecuados, costes y análisis de los riesgos asociados a este tipo de proyectos
(2011)
Book
Restricted access - publisher's policyUna de las causas del cambio climático es la emisión antropogénica de gases de efecto invernadero, principalmente el CO2. Para reducir estas emisiones una de las opciones que existen es el almacenamiento geológico de CO2. ... -
Assessment of a high-level spent nuclear fuel disposal model
(2020-02)
Article
Restricted access - publisher's policyThis paper assesses a model for the full-scale engineered barrier experiment (Febex) in situ test, simulating the disposal of heat-emitting, high-level spent nuclear fuel. The model has been developed using Code_Bright and ... -
Comportamiento post-rotura de los macizos rocosos: y su aplicación al diseño de excavaciones subterráneas
(2012)
Book
Restricted access - publisher's policyEl incremento de las obras mineras y civiles también ha aumentado lógicamente el número de percances ocasionados por éstas, principalmente en lo que concierne a la etapa de construcción, pero también a la de explotación o ... -
Coupled solid-fluid response of deep tunnels excavated in saturated rock masses with a time-dependent plastic behaviour
(2021-12)
Article
Open AccessThis article provides a general numerical approach for modelling the response of deep tunnels excavated in saturated time-dependent plastic rock masses, considering a coupled solid-fluid interaction and time-dependent ... -
DEM simulation of soil-tool interaction under extraterrestrial environmental effects
(2017-06)
Article
Open AccessIn contrast to terrestrial environment, the harsh lunar environment conditions include lower gravity acceleration, ultra-high vacuum and high (low) temperature in the daytime (night-time). This paper focuses on the effects ... -
FEBEX Stage2: UPC modelling report 2020
(2020-01)
Research report
Open AccessThe present report contains the description of a model for the large-scale in situ heating test FEBEX (full-scale engineered barrier experiment). In this test, after five years of heating, one of the heaters was switched ... -
Fostering sustainability and critical thinking through debate: a case study
(2021-06)
Article
Open AccessTransversal competences such as sustainability or critical thinking have become more important in the last decades in University teaching. The objective of this article is to assess the effectiveness of debate as a teaching ... -
Hydro-mechanical modelling and analysis of multi-stage tunnel excavations using a smoothed excavation method
(Elsevier, 2021-07)
Article
Open AccessThe main objective of this article is to provide a general numerical approach for the hydro-mechanical (HM) modelling of tunnels excavated in saturated rock masses exhibiting plastic behaviour, considering a multi-stage ... -
Increasing understanding and confidence in THM simulations of engineered barrier systems
(2020-02)
Article
Open AccessPrevious studies on the modelling of coupled thermo-hydro-mechanical (THM) processes in bentonite-based engineered barrier systems (EBSs) showed the sensitivity of the output quantities to changes in the input parameters. ... -
Influence of time-dependence on failure of echelon rock joints through a novel DEM model
(2015-09)
Article
Open AccessThis article investigates the time-dependent influence on the shear failure behaviour of parallel rock joints in the echelon arrangement due to chemical weathering, which can be treated as a generalised time-dependency of ... -
Mining footprint of the underground longwall caving extraction method: a case study of a typical industrial coal area in China
(Elsevier, 2022-03)
Article
Restricted access - publisher's policyLongwall caving mining (LCM) can lead to many environmental problems that have drawn worldwide attention. A previous survey found that most scholars tend to analyze the two issues separately, that is, coal mining-induced ... -
Modelling underground excavations in rock masses with anisotropic time-dependent behaviour
(Springer Nature, 2022-10)
Article
Open AccessWhen modelling rock masses that behave anisotropically and in addition present a time dependent behaviour, it is relevant to select a constitutive model able to represent their actual behaviour realistically. This article ... -
Numerical analysis of anisotropic stiffness and strength for geomaterials
(Science Press, 2023-02)
Article
Open AccessIn numerical modelling, selection of the constitutive model is a critical factor in predicting the actual response of a geomaterial. The use of oversimplified or inadequate models may not be sufficient to reproduce the ... -
Numerical modelling of tunnel based on a non-contact geological survey method
(2011)
Conference report
Restricted access - publisher's policyThe development of new methods for the geostructural survey that do not need direct contact with the rock mass have been developed by several authors and applied to rock slopes. The new idea of this work was to apply a ... -
Numerical solutions for tunnels excavated in strain-softening rock masses considering a combined support system
(2021-04)
Article
Open AccessIn this article, an alternative numerical procedure to calculate displacements and stresses of supported circular tunnels is proposed, considering the whole process of tunnel advancement, and sequential installation of the ... -
Size effect on the hydraulic behavior of fluid flow through a single rough-walled fracture
(Elsevier, 2021-04)
Article
Open AccessThis study provides a numerical approach to evaluate the effect of sample sizes on fluid flow through a single rough-walled fracture. The rough-walled fracture was generated by using mathematical statistics. Its aperture ... -
Study on multi-period palaeotectonic stress fields simulation and fractures distribution prediction in Lannigou gold mine, Guizhou
(Springer Nature, 2023-12)
Article
Open AccessA significant controlling factor for gold mineralisation is the tectonic stress field, and the fractures formed under its action are the migration channels and ore-holding spaces of ore-forming fluids, which often directly ...
