Now showing items 1-20 of 69

    • A fractal fragmentation model for rockfalls 

      Ruiz Carulla, Roger; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2017-06)
      Article
      Open Access
      The impact-induced rock mass fragmentation in a rockfall is analyzed by comparing the in situ block size distribution (IBSD) of the rock mass detached from the cliff face and the resultant rockfall block size distribution ...
    • 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, ...
    • A methodology to obtain the block size distribution of fragmental rockfall deposits 

      Ruiz Carulla, Roger; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2015-06-30)
      Article
      Open Access
    • 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 ...
    • An empirical approach to rockfall fragmentation 

      Corominas Dulcet, Jordi; Ruiz Carulla, Roger; Mavrouli, Olga Christina (2015)
      Conference lecture
      Restricted access - publisher's policy
      The impact-induced rock mass fragmentation in a rockfall is analyzed by comparing the In Situ Block Size Distribution (IBSD) at the cliff face and the Rockfall Block Size Distribution (RBSD) on the slope. The IBSD is ...
    • Analysis of fragmentation of rock blocks from real-scale tests 

      Ruiz Carulla, Roger; Corominas Dulcet, Jordi; Gili Ripoll, José Antonio; Matas Casado, Gerard; Lantada, Nieves; Moya Sánchez, José; Prades Valls, Albert; Núñez Andrés, María Amparo; Buill Pozuelo, Felipe; Puig i Polo, Càrol (2020-08)
      Article
      Open Access
      Real-scale fragmentation tests provide high quality data in order to study the fragmentation pattern of rock blocks. In the tests carried out, the initial rock mass, in terms of both volume and shape, was reconstructed by ...
    • Analysis of rock block fragmentation by means of real-scale tests 

      Ruiz Carulla, Roger; Matas Casado, Gerard; Prades Valls, Albert; Gili Ripoll, José Antonio; Corominas Dulcet, Jordi; Lantada, Nieves; Buill Pozuelo, Felipe; Mavrouli, Olga Christina; Núñez Andrés, María Amparo; Moya Sánchez, José (Sage, 2016)
      Conference lecture
      Restricted access - publisher's policy
    • Analysis of rockfalls by means of a fractal fragmentation model 

      Ruiz Carulla, Roger; Corominas Dulcet, Jordi (2020-03)
      Article
      Open Access
      We present the performance of the rockfall fractal fragmentation model (RFFM) developed by Ruiz-Carulla et al. (Landslides 14(3):875–889. doi.org/10.1007/s10346-016-0773-8, 2017) and based on Perfect (Eng Geol 48:185–198, ...
    • Análisis comparativo de técnicas estadísticas y de aprendizaje para evaluar la susceptibilidad del terreno a los deslizamientos superficiales en el pirineo catalán 

      Amorim, Samuel; Corominas Dulcet, Jordi; Lantada, Nieves; Baeza Adell, Cristina; Portilla, Modesto; Angulo Bahón, Cecilio (Universitat Politècnica de Catalunya. Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2009)
      Conference report
      Open Access
      Este documento presenta la comparación de tres metodologías de tratamiento de datos para la evaluación de la susceptibilidad a la ocurrencia de deslizamientos superficiales. Por un lado dos modelos estadísticos como el ...
    • Aproximación probabilística al número y tamaño de bloques en desprendimientos con fragmentación 

      Moya Sánchez, José; Corominas Dulcet, Jordi; Mavrouli, Olga Christina; Copons Llorens, Ramon (2013)
      Conference lecture
      Open Access
      La mayoría de las masas rocosas que se desprenden se fragmentan en los primeros impactos contra el terreno. El riesgo asociado a los desprendimientos debe calcularse, por lo tanto, teniendo en cuenta este proceso de ...
    • Aspectos microtexturales que condicionan la durabilidad de las rocas arcillosas 

      Agelet Cano, Jordi; Martínez Bofill, Joan; Soler Gil, Albert; Tauler Ferré, Esperança; Corominas Dulcet, Jordi; Otero, Neus (2012)
      Conference lecture
      Open Access
    • Atmospheric phase screen compensation in ground-based sar with a multiple-regression model over mountainous regions 

      Iglesias González, Rubén; Fabregas Canovas, Francisco Javier; Aguasca Solé, Alberto; Mallorquí Franquet, Jordi Joan; López Martínez, Carlos; Gili Ripoll, José Antonio; Corominas Dulcet, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2014-05-01)
      Article
      Restricted access - publisher's policy
      In this paper, a new model-based technique for the compensation of severe height-dependent atmospheric artifacts, using ground-based synthetic aperture radar (SAR) data over mountainous regions, is proposed. The method ...
    • Calculation of the rockwall recession rate of a limestone cliff, affected by rockfalls, using cosmogenic chlorine-36: case study of the Montsec range (Eastern Pyrenees, Spain) 

      Domènech Surinyach, Guillem; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2018-04)
      Article
      Open Access
      Cliff erosion may be a major problem in settled areas affecting populations and producing economic and ecological losses. In this paper we present a procedure to calculate the long-term retreat rate of a cliff affected by ...
    • Canelles landslide: modelling rapid drawdown and fast potential sliding 

      Pinyol Puigmartí, Núria Mercè; Alonso Pérez de Agreda, Eduardo; Corominas Dulcet, Jordi; Moya Sánchez, José (2012-03)
      Article
      Open Access
      A large landslide (40 × 106 m3) was reactivated on the left bank of Canelles reservoir, Spain. The instability was made evident after a considerable reduction of the reservoir level. The drawdown took place during the ...
    • 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 ...
    • Comparing rockfall scar volumes and kinematically detachable rock masses 

      Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2017-03)
      Article
      Open Access
      Scenario-based risk assessment for rockfalls, requires assumptions for different scenarios of magnitude (volume). The magnitude of such instabilities is related to the properties of the jointed rock mass, with the ...
    • Comparing satellite based and ground based radar interferometry and field observations at the Canillo landslide (Pyrenees) 

      Corominas Dulcet, Jordi; Iglesias González, Rubén; Aguasca Solé, Alberto; Mallorquí Franquet, Jordi Joan; Fabregas Canovas, Francisco Javier; Planas, Xavier; Gili Ripoll, José Antonio (Springer, 2014)
      Conference report
      Restricted access - publisher's policy
      The landslide of El Forn de Canillo in the Principality of Andorra is one of the largest in the Pyrenees. In 2007 a monitoring system (boreholes equipped with inclinometers, extensometers and piezometers) was set up. Between ...
    • 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 ...
    • Contribución de las técnicas dendrogeomorfológicas a la estimación de la frecuencia-magnitud de desprendimientos 

      Moya Sánchez, José; Corominas Dulcet, Jordi (Universitat Politècnica de Catalunya. Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2009)
      Conference lecture
      Open Access
      Para evaluar la peligrosidad de los movimientos de ladera es necesario conocer cómo varía la frecuencia temporal de los movimientos con su magnitud (tamaño). Sin embargo, la información directa sobre la ocurrencia de ...
    • Determinación de trayectorias de bloques rocosos en ensayos mediante videogrametría 

      Prades Valls, Albert; Matas Casado, Gerard; Núñez Andrés, María Amparo; Buill Pozuelo, Felipe; Lantada, Nieves; Corominas Dulcet, Jordi (Universitat Politècnica de València, 2017)
      Conference report
      Open Access
      La trayectoria de un bloque que cae por un talud no es fácil de determinar porque influyen muchas variables difíciles de cuantificar. Ello requiere del conocimiento de cómo estas variables afectan a las trayectorias. En ...