Ara es mostren els items 1-20 de 28

    • 3D analysis of a fragmental rockfall 

      Ruiz Carulla, Roger; Matas Casado, Gerard; Corominas Dulcet, Jordi; Lantada, Nieves (Springer Nature, 2021)
      Text en actes de congrés
      Accés obert
      Fragmentation in a rockfall event influence the total number of fragments, the mass distribution, and the impact energies and runouts. Then, the probability of impact and hazard characterization should consider fragmentation. ...
    • 3D simulation of Vajont disaster. Part 1: numerical formulation and validation 

      Franci, Alessandro; Cremonesi, Massimiliano; Perego, Umberto; Crosta, Giovanni Battista; Oñate Ibáñez de Navarra, Eugenio (2020-12)
      Article
      Accés obert
      This work presents a numerical method for the simulation of landslides generated impulse waves and its application to the historical Vajont case study. The computational tool is based on the Particle Finite Element Method ...
    • 3D simulation of Vajont disaster. Part 2: multi-failure scenarios 

      Franci, Alessandro; Cremonesi, Massimiliano; Perego, Umberto; Oñate Ibáñez de Navarra, Eugenio; Crosta, Giovanni Battista (2020-12)
      Article
      Accés obert
      Prediction of multi-hazard slope stability events requires an informed and judicious choice of the possible scenarios. An incorrect definition of landslide conditions in terms of expected failure volume, material behavior, ...
    • A fractal fragmentation model for rockfalls 

      Ruiz Carulla, Roger; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2017-06)
      Article
      Accés obert
      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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      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, ...
    • 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
      Accés obert
      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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
    • Analysis of rockfalls by means of a fractal fragmentation model 

      Ruiz Carulla, Roger; Corominas Dulcet, Jordi (2020-03)
      Article
      Accés obert
      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, ...
    • Caiguda de blocs als penya-segats del Llobregat al seu pas per Manresa 

      Rabaneda Espinalt, Anna (Universitat Politècnica de Catalunya, 2010-01)
      Projecte/Treball Final de Carrera
      Accés obert
      En aquest projecte es caracteritza la caiguda d’un bloc de grans dimensions de massís rocós d’un penya-segat situat sobre el riu Llobregat al seu pas per Viladordis, a l’est de Manresa, i s’estudien els possibles riscos ...
    • 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
      Accés obert
      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 ...
    • Documenting rock mass failure with UAV during an emergency phase: Castell de Mur case study 

      Ruiz Carulla, Roger; Corominas Dulcet, Jordi (2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The understanding of the conditioning factors and of the mechanisms involved in rockfalls are requirements for a successful risk assessment and for the prevention of future events. In that respect, the detailed documentation ...
    • Estudio de análisis cuantitativo del riesgo de desprendimientos rocosos en la carretera LV-9124 desde Guàrdia de Noguera a Sant Esteve de la Sarga 

      Campiño Llerena, Karina Lizette (Universitat Politècnica de Catalunya, 2021-07-19)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Institut Cartogràfic i Geològic de Catalunya
      Los desprendimientos rocosos constituyen fenómenos de movimientos de rocas que ocurren debido a una combinación de parámetros internos y factores externos que potencian la inestabilidad de la masa rocosa en zonas montañosas. ...
    • Evaluation of maximum rockfall dimensions based on probabilistic assessment of the penetration of the sliding planes into the slope 

      Mavrouli, Olga Christina; Corominas Dulcet, Jordi (2020-05)
      Article
      Accés obert
      There is intrinsic difficulty in the investigation of the largest volume of rockfalls that is expected in an area, which lies in the small number of large events, in registrable times. The maximum credible rockfall size ...
    • Los desprendimientos rocosos, impacto y análisis cuantitativo del riesgo 

      Corominas Dulcet, Jordi (International Centre for Numerical Methods in Engineering (CIMNE), 2022)
      Text en actes de congrés
      Accés obert
      Los desprendimientos rocosos son los procesos de inestabilidad de laderas que causan un mayor número de víctimas en España, así como importantes pérdidas económicas. En esta contribución se presenta la cuantificación del ...
    • Magnitude and frequency relations: are there geological constraints to the rockfall size? 

      Corominas Dulcet, Jordi; Mavrouli, Olga Christina; Ruiz Carulla, Roger (2018-05)
      Article
      Accés obert
      There exists a transition between rockfalls, large rock mass failures, and rock avalanches. The magnitude and frequency relations (M/F) of the slope failure are increasingly used to assess the hazard level. The management ...
    • Multi-technique approach to rockfall monitoring in the Montserrat massif (Catalonia, NE Spain) 

      Janeras Casanova, Marc; Jara Salvador, José Antonio; Royan, Manuel J.; Vilaplana, Joan Manuel; Aguasca Solé, Alberto; Fabregas Canovas, Francisco Javier; Gili Ripoll, José Antonio; Buxó, Pere (2017-03-09)
      Article
      Accés obert
      Realitzat a/amb:   Institut Cartogràfic i Geològic de Catalunya / Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà
      Montserrat Mountain is located near Barcelona in Catalonia, in the northeast of Spain, and its massif is formed by conglomerate interleaved by siltstone/sandstone with steep slopes very prone to rockfalls. The increasing ...
    • Quantitative rockfall risk assessment in the roadways of Gipuzkoa 

      Corominas Dulcet, Jordi; Mavrouli, Olga Christina (Springer, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Although many works on the quantification of the rockfall hazard and exposure of vehicles in roadways exist, few practical examples that include detailed consequences analysis have been presented so far. We respectively ...
    • RocExs 2017 field trip: rockfall risk management in the Montserrat massif 

      Janeras Casanova, Marc; Corominas Dulcet, Jordi; Jara Salvador, José Antonio; Guinau, Marta; Aguasca Solé, Alberto; Blanch, Xabier; Paret, David; Ferré, Anna; Buxó, Pere (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
      Capítol de llibre
      Accés obert
      This field trip has been devised as the closure of this sixth edition of the RocExs workshop, on the Wednesday May 24th. According to the purposes of this interdisciplinary meeting, most of the suggested topics for the ...
    • Rockfall fragmentation analysis: Vilanova de Banat case study 

      Matas Casado, Gerard; Lantada, Nieves; Corominas Dulcet, Jordi; Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Prades Valls, Albert (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2017)
      Text en actes de congrés
      Accés obert
      Fragmentation is a critical mechanism for the calculation of the trajectories of the blocks and the impact energies, for the assessment of the potential damage and for the design of protec-tive structures, although few ...
    • Rockfall magnitude-frequency relationship based on multi-source data from monitoring and inventory 

      Janeras Casanova, Marc; Lantada, Nieves; Núñez Andrés, María Amparo; Hantz, Didier; Pedraza Royo, Oriol; Cornejo, Rocío; Guinau Selles, Marta; García-Sellés, David; Blanco Hinojo, Laura; Gili Ripoll, José Antonio; Palau Ramirez, Joan (Multidisciplinary Digital Publishing Institute (MDPI), 2023-04)
      Article
      Accés obert
      Quantitative hazard analysis of rockfalls is a fundamental tool for sustainable risk management, even more so in places where the preservation of natural heritage and people’s safety must find the right balance. The first ...