Exploració per autor "Pinyol Puigmartí, Núria Mercè"
Ara es mostren els items 14-33 de 77
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Design of micropiles for tunnel face reinforcement: undrained upper bound solution
(2012-01)
Article
Accés restringit per política de l'editorialThe stability of tunnel faces supported by an umbrella of subhorizontal micropiles is analyzed by means of the upper bound theorem of plasticity. The micropiles are considered beams subjected to the kinematic motion imposed ... -
Design, construction, monitoring and modelling of Albagés earth dam: a case history
(Springer, 2019-05)
Article
Accés obertA zoned earth dam 40 m high is analysed and modelled using a numerical code able to deal with unsaturated–saturated soils and the coupled hydro-mechanical phenomena. The paper discusses the selection of the materials for ... -
Desplazamientos acumulados en deslizamientos inducidos por sismos mediante el método de Newmark extendido
(2022)
Text en actes de congrés
Accés oberts habitual en la práctica analizar la estabilidad de taludes y laderas afectadas por sismos mediante el método de Newmark, el cual permite estimar los desplazamientos acumulados. El método consiste en simplificar el ... -
Digital image-based analysis of a small-scale dam failure during wetting
(EDP Sciences, 2023)
Text en actes de congrés
Accés obertThe use of digital images and the correlation of them in time is commonly used in geotechnical laboratory experiments to measure surface variables in a non-invasive and massive way. Digital image correlation-based methods ... -
Dinámica de deslizamientos en rocas blandas arcillosas
(2021-07)
Article
Accés obertEl artículo analiza el comportamiento de deslizamientos en rocas caracterizadas por el predominio de su componente arcillosa y por una tipología de movimientos que se explican por el agotamiento de la resistencia al esfuerzo ... -
Discussion on “Large landslides associated with a diapiric fold in Canelles reservoir (Spanish Pyrenees): Detailed geological–geomorphological mapping, trenching and electrical resistivity imaging” by Gutiérrez et al. (2015)
(2016-06)
Article
Accés obertThis discussion a) reviews the geological model adopted for the landslide analysis and argues that there is nothing new in the reference paper, b) examines the conditions for fast catastrophic sliding and demonstrates that ... -
Dynamics of slow and fast landslides
(2020)
Text en actes de congrés
Accés obertThe paper discusses some factors that control the shearing soil behaviour and the dynamics of landslides: strain-, strain rate-, and temperature effects. The strain rate effect on residual strength is discussed through ... -
Efecto de la velocidad de corte y la temperatura en la resistencia residual
(International Centre for Numerical Methods in Engineering (CIMNE), 2022)
Text en actes de congrés
Accés obertLa resistencia residual del suelo es un parámetro relevante para poder interpretar los deslizamientos y evaluar su potencial de reactivación y su evolución. Se han desarrollado numerosos estudios que han puesto de manifiesto ... -
Effect of shear band thickness on the termo-hydromechanical coupled analysis of landslides
(International Centre for Numerical Methods in Engineering (CIMNE), 2017)
Text en actes de congrés
Accés obertThermal effects induced by the own motion of an unstable mass have been included in the analysis of the post-failure behavior in early works, most of them with the aim of looking for the causes of the rapid acceleration ... -
Effect of temperature induced excess pore water pressure on the shaft bearing capacity of geothermal piles
(Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
Text en actes de congrés
Accés obert -
Effect of temperature induced excess porewater pressures on the shaft bearing capacity of geothermal piles
(Elsevier, 2016-12)
Article
Accés obertChanges in temperature in clays of low permeability typically induce excess porewater pressures. In the context of geothermal piles this effect has typically been overlooked since most installations have occurred in soils ... -
Effect of temperature induced excess porewater pressures on the shaft bearing capacity of geothermal piles
(Elsevier, 2016-12)
Article
Accés obertChanges in temperature in clays of low permeability typically induce excess porewater pressures. In the context of geothermal piles this effect has typically been overlooked since most installations have occurred in soils ... -
Evaluación del comportamiento de un talud a escala reducida durante mojado mediante imágenes
(2022)
Text en actes de congrés
Accés obertActualmente existen diversos métodos para la medición de parámetros de interés en modelos físicos geotécnicos. Adicionalmente a las técnicas convencionales de medición basadas en la instalación de sensores, existen técnicas ... -
Excavation-induced instabilities
(CRC Press, 2019)
Capítol de llibre
Accés restringit per política de l'editorialThe aim of this chapter is to show the capabilities of MPM to simulate geotechnical problems dealing with soil excavation. The stability of supported vertical excavation in elasto-plastic material is analyzed. Results are ... -
Fast planar slides. A closed form thermo-hydro-mechanical solution
(2010)
Article
Accés restringit per acord de confidencialitatHeat-induced eccess pore pressures on the failure surface of a planar slide have been calculated by solving the mass and heat balance equations on the shear band. The set of differential equations and the equation of ... -
Foundation of a gravity dam on layered soft rock: shear strength of bedding planes in laboratory and large "in situ" tests
(2014-12)
Article
Accés restringit per política de l'editorialA 100 m high gravity dam (Castrovido dam, Burgos, Spain) is founded on a soft Weald red claystone with inter-bedded sandstone strata. Claystone weathering was identified in vertical and horizontal profiles of water content ... -
Foundation of a gravity dam on layered soft rock: shear strength of bedding planes in laboratory and large “in situ” tests
(IOS Press, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialA 100 m high gravity dam (Castrovido dam, Burgos, Spain) is founded on a soft Weald red siltstone with interbedded sandstone strata. Dam stability is essentially controlled by the available shear strength of sedimentation ... -
Highly expansive granular mixtures
(CRC Press, 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe paper describes the behavior of mixtures of highly compacted bentonite pellets. They are considered as a suitable impervious and tight barrier for nuclear waste disposal. Laboratory experiments aimed at identifying the ... -
Image-based measurements of degree of saturation
(E3S Web of Conferences, 2020)
Text en actes de congrés
Accés obertA method based on SWIR images is proposed for measuring the degree of saturation in soils. This method is especially suitable for use in experiments conducted in the facilities of a common geotechnical laboratory. The ... -
Incorporating a microstructural state variable in constitutive modelling
(2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe selection of constitutive variables has been extensively discussed when modeling unsaturated soils. In general, suction and degree of saturation have been involved in the definition of constitutive variables. Recently, ...
