Now showing items 1-20 of 51

  • Air tests on low-permeability claystone formations: experimental results and simulations 

    Romero Morales, Enrique Edgar; Senger, R.K.; Marschall, P; Gómez Bonilla, Rodrigo Andrés (Springer, 2012)
    Conference report
    Restricted access - publisher's policy
    The paper presents the results of an experimental investigation aimed at characterising the water and air permeability properties of low-permeability claystone formations from a Mesozoic sequence in Northern Switzerland. ...
  • A methodology to obtain the block size distribution of a large rockfall deposit 

    Ruiz Carulla, Roger; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2014)
    Conference lecture
    Restricted access - publisher's policy
    The block size distribution produced in a rockfall event is necessary for the study of the trajectories, run-out, the impact energies and for the quantitative assessment of the rockfall hazard. For large rockfall deposits, ...
  • Análisis simplificado de la mecánica de impacto de bloques rocosos sobre sustrato rígido y su aplicación a casos de ensayos de lanzamiento 

    Lekuona Garcia, Beñat (Universitat Politècnica de Catalunya, 2018-09-28)
    Master thesis
    Open Access
    Covenantee:  Geomar Enginyeria del Terreny
    Los bloques desprendidos de paredes rocosas suelen fragmentarse al colisionar con un sustrato rígido. Experiencias previas de ensayos de lanzamiento de bloques sugieren que la geometría del impacto puede jugar un papel muy ...
  • A study of the effects of suction and roughness on the mechanical behaviour of rock joints 

    Zandarín, Maria Teresa; Alonso Pérez de Agreda, Eduardo; Olivella Pastallé, Sebastià (2011)
    Conference report
    Restricted access - publisher's policy
    The experimental investigation focused on the effects of suction on the mechanical behaviour of rock joints. Available experimental data on the effect of moisture on joint behaviour is very scarce. Laboratory tests were ...
  • A textural classification of argillaceous rocks and their durability 

    Corominas Dulcet, Jordi; Martínez Bofill, Joan; Soler Gil, Albert (2015-08)
    Article
    Open Access
    Argillaceous rocks can display a wide range of durability behavior after excavation and in cut slopes. In this paper, we propose a classification of argillaceous rocks based on their textural characteristics. Three main ...
  • A time-dependent anisotropic model for argillaceous rocks: application to an underground excavation in Callovo-Oxfordian claystone 

    Mánica Malcom, Miguel Ángel; Gens Solé, Antonio; Vaunat, Jean; Ruiz Restrepo, Daniel Felipe (2017-05)
    Article
    Open Access
    The paper presents a constitutive model for argillaceous rocks, developed within the framework of elastoplasticity, that includes a number of features that are relevant for a satisfactory description of their hydromechanical ...
  • Caracterització geotècnica Mina Berta (Vallès Occidental) 

    Díaz Badia, Carles (Universitat Politècnica de Catalunya, 2011-06)
    Master thesis (pre-Bologna period)
    Open Access
    Aquest estudi analitza la problemàtica que genera la reconversió d’una pedrera en un abocador de residus especial, concretament als peus de Collserola en els terrenys que ara ocupa la pedrera de Mina Berta situada al Vallès ...
  • Changes in hydrodynamic, structural and geochemical properties in carbonate rock samples due to reactive transport 

    Martínez Pérez, Laura; Luquot, Linda; Carrera Ramírez, Jesús (Elsevier, 2017-01)
    Article
    Open Access
    Reactive transport plays an important role in the development of a wide range of both anthropic and natural processes affecting geological media. To predict the consequences of reactive transport processes on structural ...
  • Comparing kinematically detachable rock masses and rockfall scar volumes 

    Mavrouli, Olga Christina; Corominas Dulcet, Jordi (Institute of Physics (IOP), 2015)
    Conference report
    Open Access
    In rockfall prone areas the evaluation of the risk due to worst case scenarios requires the establishment of maximum thresholds for the expected rockfall volumes. The magnitude of such instabilities is often related to ...
  • Comparison of block size distribution in rockfalls 

    Ruiz Planas, Montserrat; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2015)
    Conference lecture
    Restricted access - publisher's policy
    Rock masses detached as rockfalls usually disintegrate upon impact on the ground surface. The knowledge of the Rockfall Block Size Distribution (RBSD) generated by the propagation of the rockfall mass is required for th e ...
  • Comportamiento post-rotura de los macizos rocosos: y su aplicación al diseño de excavaciones subterráneas 

    Rodríguez Dono, Alfonso; Alejano, Leandro R. (2012)
    Book
    Restricted access - publisher's policy
    El 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 ...
  • Coupling a fluid flow simulation with a geomechanical model of a fractured reservoir 

    Segura Segarra, José María; Paz, C.M.; de Bayser, M.; Zhang, J.; Bryant, P.W.; Gonzalez, Nubia Aurora; Rodrigues, E.; Vargas, P.E.; Carol, Ignacio; Lakshmikantha, Ramasesha Mookanahallipatna; Das, K. C.; Sandha, S.S.; Cerqueira, R.; Mello,, U. (OnePetro, 2013)
    Conference report
    Restricted access - publisher's policy
    Improving the reliability of integrated reservoir development planning and addressing subsidence, fault reactivation and other environmental impacts, requires increasingly sophisticated geomechanical models, especially in ...
  • Deep excavation in an anisotropic argillaceous rock: observations and analysis 

    Rostovanyi Porta, Maria (Universitat Politècnica de Catalunya, 2012-06-29)
    Master thesis (pre-Bologna period)
    Open Access
    Al realizar una excavación en rocas arcillosas se espera que se forme una zona con importantes deformaciones irreversibles y cambios significativos en las propiedades de flujo y el transporte (EDZ – Excavation Damage Zona). ...
  • Diseño y realización de ensayos de lanzamiento de bloques de roca a escala reducida para el estudio de la fragmentación por conminución 

    Parras Sala, Ester (Universitat Politècnica de Catalunya, 2019-06-14)
    Master thesis
    Open Access
    Els despreniments rocosos son fenòmens d'inestabilitat freqüents en vies de comunicació, mines a cel obert, vessants escarpats i penya-segats. Existeixen models que ajuden a simular les trajectòries dels blocs un cop ...
  • Effect of loading and suction history on time dependent deformation of coarse crushed slate 

    Romero Morales, Enrique Edgar; Alvarado de Menéndez, Clara Elena; Alonso Pérez de Agreda, Eduardo (CRC Press, 2013)
    Conference report
    Restricted access - publisher's policy
    The paper presents the results of an experimental investigation aimed at evaluating the time-dependent compressibility of coarse crushed quartzitic slate, focusing on the effects of the previ- ous loading and hydraulic ...
  • Effect of loading and suction history on time dependent deformation of crushed granular aggregates 

    Romero Morales, Enrique Edgar; Alvarado de Menéndez, Clara Elena; Alonso Pérez de Agreda, Eduardo (Springer, 2012)
    Conference report
    Restricted access - publisher's policy
    The paper presents the results of an experimental investigation aimed at evaluating the time-dependent compressibility of a coarse crushed quartzitic slate, focusing on the effects of the previous loading and hydraulic ...
  • El Terreny i l'estudi geotècnic 

    Llorens Duran, Josep Ignasi de; Pons Valladares, Oriol (Universitat Politècnica de Catalunya. Iniciativa Digital Politècnica, 2015)
    Book
    Open Access
    Aquest manual esta dedicat a l’estudi geotècnic, o sigui a la informació quantificada de les característiques del terreny necessària per al projecte dels fonaments i dels murs de contenció. La primera part tracta de la ...
  • Ensayos triaxiales de rocas en celula de gran capacidad 

    Casellas Ferrer, Javier (Universitat Politècnica de Catalunya, 2013-07-17)
    Minor thesis
    Restricted access - author's decision
    El trabajo realizado en esta tesina se centra en la realización de una serie de ensayos a probetas de roca para poder determinar sus características mecánicas principales. Se realizan ensayos destinados a estudiar los ...
  • Estabilidad de un deslizamiento en rocas volcánicas en el estribo izquierdo de una presa 

    Soto Masip, Albert (Universitat Politècnica de Catalunya, 2010-06-25)
    Minor thesis
    Open Access
    Esta tesina pretende abordar un caso real. No obstante, por motivos de confidencialidad del país en el que se está desarrollando el tema de estudio no se puede nombrar ni su situación ni su nombre. Las leyes del Estado ...
  • Estudi de la fracturació i mineralització de la granodiorita de Mina Berta (Vallès Occidental) 

    Balañá Alcaide, Jordi (Universitat Politècnica de Catalunya, 2012-01)
    Master thesis
    Open Access