Browsing by Author "Rodríguez Dono, Alfonso"
Now showing items 1-20 of 33
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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
Open AccessThe 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 ... -
Analytical solutions of noncircular tunnels in transversely isotropic rheological rock masses
(Elsevier, 2024-10)
Article
Restricted access - publisher's policyIn the field of tunnelling applications, it is often found that the rock masses exhibit anisotropy and rheological properties. To optimize the utilization of underground space, the use of noncircular tunnels is often ... -
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 ... -
Considering creep in rock tunnelling with a combined support system: theoretical solutions and machine-learning solver
(2024-11)
Article
Restricted access - publisher's policyThis study provides an alternative theoretical approach to analyse the mechanical behaviour of tunnels excavated in time-dependent geomaterials, considering the sequential excavation of tunnels and installation of rockbolts ... -
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 ... -
Exploring different FEM strategies for hydro-mechanical coupled gas injection simulation in clay materials
(Elsevier, 2024-09)
Article
Open AccessOver the last few decades, the study of gas injection in porous media, particularly under multi-field coupled conditions, has emerged as a prominent focus within the field of geotechnical engineering. This article presents ... -
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 analysis of slope stability using anisotropic constitutive model
(IOP Publishing, 2024)
Conference report
Open AccessThis study introduces a novel and robust numerical approach to analyzing rainfall-induced landslide hazards, incorporating coupled hydro-mechanical behavior, anisotropic properties of unsaturated geomaterials, and ... -
Hydro-mechanical coupled analysis of gas injection in clay-based materials using different element types
(Elsevier, 2024-06)
Article
Open AccessThis study investigates the impact of various factors on HM-coupled geological media through a multi-category analysis of the so-called Heat and Gas Fracking model (HGFRAC) and the so-called Gas Threshold Pressure Test ... -
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
Open AccessLongwall 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 a gas injection experiment incorporating embedded fractures and heterogeneous material properties
(Elsevier, 2024-06)
Article
Open AccessThis study focuses on the modelling of a gas injection experiment to assess the effects of incorporating heterogeneous material properties. The numerical model considers a two-phase flow coupled hydro-mechanical problem, ...
