Now showing items 1-17 of 17

    • 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
    • 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 ...
    • Diseño y primeros resultados de tres ensayos de lanzamiento de bloques de roca para el estudio de la fragmentación 

      Gili Ripoll, José Antonio; Matas Casado, Gerard; Corominas Dulcet, Jordi; Núñez Andrés, María Amparo; Lantada, Nieves; Ruiz Carulla, Roger; Mavrouli, Olga; Buill Pozuelo, Felipe; Moya Sánchez, José; Prades Valls, Albert; Puig i Polo, Càrol; Martínez Bofill, Joan; Salo Salgado, Lluis (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2017)
      Conference report
      Open Access
      RESUMENLa caída de bloques de roca sobre infraestructuras y zonas urbanizadas causa elevados daños y alguna víctima cada año en nuestro país. Los modelos de propagación existentes no tienen en cuenta la fragmentación durante ...
    • Effect of rockfall fragmentation on exposure and subsequent risk analysis 

      Matas Casado, Gerard; Corominas Dulcet, Jordi; Lantada, Nieves (2018)
      Conference report
      Open Access
      Rockfalls are frequent natural processes in mountain regions with the potential to produce damage. The quantitative risk analysis (QRA) is an approach increasingly used to assess risk and evaluate the performance of ...
    • 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)
      Conference lecture
      Restricted access - publisher's policy
      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 ...
    • Modelització de la propagació de la caiguda de blocs rocosos mitjançant eines SIG 

      Matas Casado, Gerard (Universitat Politècnica de Catalunya, 2014-06-19)
      Minor thesis
      Open Access
    • Modelización de desprendimientos rocosos considerando la fragmentación 

      Matas Casado, Gerard; Lantada, Nieves; Corominas Dulcet, Jordi; Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Prades Valls, Albert (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
      Conference report
      Open Access
      Determinar el riesgo al que está expuesto un edificio o una infraestructura debido a los desprendimientos rocosos mediante la Evaluación Cuantitativa de Riesgo requiere estudiar la peligrosidad, que integra la magnitud del ...
    • Modelling fragmentation in rockfalls 

      Matas Casado, Gerard (Universitat Politècnica de Catalunya, 2020-11-04)
      Doctoral thesis
      Open Access
      The fragmentation process in rockfalls is a complex phenomenon that is not well understood and only a few rockfall simulation models consider it explicitly. Fragmentation significantly affects the evaluation of the hazard ...
    • Projecte constructiu de defensa de la carretera BV-4024 contra despreniments rocosos entre els pk.11+200 i pk.11+820 

      Matas Casado, Gerard (Universitat Politècnica de Catalunya, 2014-10-17)
      Master thesis (pre-Bologna period)
      Open Access
    • Quantitative analysis of risk from fragmental rockfalls 

      Corominas Dulcet, Jordi; Matas Casado, Gerard; Ruiz Carulla, Roger (2019-01)
      Article
      Open Access
      Rockfalls are ubiquitous diffuse hazard in mountain regions, cliffs, and cutslopes, with the potential of causing victims and severely damaging buildings and infrastructures. A vast majority of detached rock masses break ...
    • 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)
      Conference report
      Open Access
      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 ...
    • RockGIS: a GIS-based model for the analysis of fragmentation in rockfalls 

      Matas Casado, Gerard; Lantada, Nieves; Corominas Dulcet, Jordi; Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Prades Valls, Albert (2017-03-31)
      Article
      Open Access
      A rockfall is a mass instability event frequently observed in road cuts, open pit mines and quarries, steep slopes and cliffs. After its detachment, the rock mass may disaggregate and break due to the impact with the ground ...
    • Seismic energy analysis as generated by impact and fragmentation of single-block experimental rockfalls 

      Salo Salgado, Lluis; Corominas Dulcet, Jordi; Lantada, Nieves; Matas Casado, Gerard; Prades Valls, Albert; Ruiz Carulla, Roger (American Geophysical Union (AGU), 2018-06)
      Article
      Open Access
      The analysis of seismic signals obtained from near-source triaxial accelerometer recordings of two sets of single-block rockfall experiments is presented. The tests were carried out under controlled conditions in two ...
    • Simulation of full-scale rockfall tests with a fragmentation model 

      Matas Casado, Gerard; Lantada, Nieves; Corominas Dulcet, Jordi; Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Prades Valls, Albert (2020-05)
      Article
      Open Access
      In this paper, we present the upgraded version of RockGIS, a stochastic program for the numerical simulation of rockfalls and their fragmentation, based on a fractal model. The code has been improved to account for a range ...
    • Simulation of rockfall fragmentation mechanism in a GIS-based tool 

      Matas Casado, Gerard; Lantada, Nieves; Corominas Dulcet, Jordi; Gili Ripoll, José Antonio (CRC Press, 2016)
      Conference report
      Restricted access - publisher's policy
      Rockfalls are frequent instability processes in road cuts, open pit mines and quarries, steep slopes and cliffs. The attitude and persistency of joints within the rock mass define the size of kinematically unstable rock ...
    • The RockRisk project: rockfall risk quantification and prevention 

      Corominas Dulcet, Jordi; Lantada, Nieves; Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Matas Casado, Gerard; Mavrouli, Olga Christina; Núñez Andrés, María Amparo; Moya Sánchez, José; Buill Pozuelo, Felipe; Abellán Fernández, Antonio; Puig i Polo, Càrol; Prades Valls, Albert; Martínez Bofill, Joan; Salo Salgado, Lluis (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2017)
      Conference report
      Open Access
      Covenantee:   Universiteit Twente / Scott Polar Research Institute
      Rockfalls are frequent instability processes in road cuts, open pit mines and quarries, steep slopes and cliffs. The orientation and persistence of joints within the rock mass define the size of the kinematically unstable ...