Ara es mostren els items 1-20 de 28

    • 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, ...
    • 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
      Accés obert
    • An empirical approach to rockfall fragmentation 

      Corominas Dulcet, Jordi; Ruiz Carulla, Roger; Mavrouli, Olga Christina (2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      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 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
    • 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)
      Comunicació de congrés
      Accés obert
      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 ...
    • Assessment of socioeconomic vulnerability to landslides using an indicator-based approach: Methodology and case studies 

      Eidsvig, Unni M. K.; McLean, Amanda M.; Vangelsten, Bjørn Vidar; Kalsnes, Bjørn G.; Ciurean, Roxana L.; Argyroudis, Sotiris; Winter, Mike; Mavrouli, Olga Christina; Fotopoulou, Stavroula D.; Pitilakis, Kyriazis D.; Baills, Audrey; Malet, Jean-Philippe; Kaiser, Gunilla (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      The severity of the impact of a natural hazard on a society depends on, among other factors, the intensity of the hazard and the exposure and resistance ability of the elements at risk (e.g., persons, buildings and ...
    • 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 ...
    • Comparing kinematically detachable rock masses and rockfall scar volumes 

      Mavrouli, Olga Christina; Corominas Dulcet, Jordi (Institute of Physics (IOP), 2015)
      Text en actes de congrés
      Accés obert
      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
      Accés obert
      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 ...
    • Comparison of block size distribution in rockfalls 

      Ruiz Planas, Montserrat; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      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 ...
    • Damage analysis of masonry structures subjected to rockfalls 

      Mavrouli, Olga Christina; Giannopoulos, P. G.; Carbonell Puigbó, Josep Maria; Syrmakezis, Costas (2017-06-01)
      Article
      Accés obert
      Masonry structures present substantial vulnerability to rockfalls. The methodologies for the damage quantification of masonry structures subjected to rockfalls are scarce. An analytical procedure for the damage assessment ...
    • 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 ...
    • Evaluation of the susceptibility to failure of rocky slopes based on the SMR index 

      Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2009)
      Comunicació de congrés
      Accés obert
    • Experimental study on rockfall fragmentation: in situ test design and first results 

      Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Matas Casado, Gerard; Corominas Dulcet, Jordi; Lantada, Nieves; Núñez Andrés, María Amparo; Mavrouli, Olga Christina; Buill Pozuelo, Felipe; Moya Sánchez, José; Prades Valls, Albert; Moreno, Sjædric (2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Fragmentation is a common feature of rockfalls that exerts a strong influence over the trajectories of the generated blocks, the impact energies and the runout. Real scale rockfall tests have traditionally been designed ...
    • Integrated risk assessment due to slope instabilities in the roadway network of Gipuzkoa, Basque Country 

      Mavrouli, Olga Christina; Corominas Dulcet, Jordi; Ibarbia Ilarraz, Iñaki; Alonso, Nahikari; Jugo Meabe, Ioseb; Ruiz Zabaleta, Jon; Luzuriaga Mocoroa, Susana; Navarro Jausoro, José Antonio (2019-02)
      Article
      Accés obert
      Transportation corridors such as roadways are often subjected to both natural instability and cut-slope failures, with substantial physical damage to the road infrastructure and threats to the circulating vehicles and ...
    • 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 ...
    • Methodology to evaluate rock slope stability under seismic conditions at Solà de Santa Coloma, Andorra 

      Mavrouli, Olga Christina; Corominas Dulcet, Jordi; Wartman, J (2009)
      Article
      Accés obert
      An analytical methodology is presented to evaluate rock slope stability under seismic conditions by considering the geomechanical and topographic properties of a slope. The objective is to locate potential rockfall source ...
    • Monitoring of fast moving landslides in the Pyrenees 

      Mavrouli, Olga Christina; Hurlimann Ziegler, Marcel; Abanco Martínez de Arenzana, Claudia; Moya Sánchez, José; Copons Llorens, Ramon; Ruiz Carulla, Roger (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The paper presents the experience of two instrumented sites in the Pyrenees where debris flows and rock falls occur frequently. The first one is the debris-flow monitoring system in the Rebaixader catchment, Central Pyrenees, ...
    • Quantitative risk assessmenent for buildings due to rockfalls: some achievements and challenges 

      Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      An application example of Quantitative Risk Assessment due to rockfalls for a developed area is presen-ted in this paper. The methodology aims at the calculation of the risk for buildings which are situated at the bottom ...