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    • 3D analysis of a fragmental rockfall 

      Ruiz Carulla, Roger; Matas Casado, Gerard; Corominas Dulcet, Jordi; Lantada, Nieves (Springer Nature, 2021)
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      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. ...

    • 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
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      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

    • Capturing rockfall kinematic and fragmentation parameters using high-speed camera system 

      Prades Valls, Albert; Corominas Dulcet, Jordi; Lantada, Nieves; Matas Casado, Gerard; Núñez Andrés, María Amparo (2022-06-05)
      Article
      Accés obert
      This paper presents a procedure for tracking rockfall trajectories and extracting kinematic parameters from both the impacts and the resultant fragments. A set of full scale rockfall experiments was performed in a quarry ...

    • 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)
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      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)
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      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)
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      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)
      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 ...

    • Implementation of a fixed-location time lapse photogrammetric rock slope monitoring system in Castellfollit de la Roca, Spain 

      Matas Casado, Gerard; Prades Valls, Albert; Núñez Andrés, María Amparo; Buill Pozuelo, Felipe; Lantada, Nieves (Editorial UPV, 2022)
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      When monitoring deformations in natural hazards such as rockfalls and landslides, the use of 3D models has become a standard. Several geomatic techniques allow the generation of these models. However, each one has its pros ...

    • Laboratory test to study the effect of comminution in rockfalls 

      Matas Casado, Gerard; Parra, E.; Lantada, Nieves; Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Corominas Dulcet, Jordi; Moya Sánchez, José; Prades Valls, Albert; Buill Pozuelo, Felipe; Núñez Andrés, María Amparo; Puig i Polo, Càrol (2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Fragmentation in rockfalls reduces the size of the blocks and increases the number of fragments. It affects the runout and the impact energies, having implications in the associated hazard and therefore in the subsequent ...

    • Medida de parámetros cinemáticos de bloques rocosos en un ensayoa escala real 

      Prades Valls, Albert; Corominas Dulcet, Jordi; Lantada, Nieves; Matas Casado, Gerard; Núñez Andrés, María Amparo (International Centre for Numerical Methods in Engineering (CIMNE), 2022)
      Text en actes de congrés
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      La evaluación del riesgo y el diseño de medidas de protección frente a desprendimientos de rocas requieren la predicción de las posibles trayectorias de los bloques susceptibles de desprenderse, así como la velocidad y la ...

    • Modelització de la propagació de la caiguda de blocs rocosos mitjançant eines SIG 

      Matas Casado, Gerard (Universitat Politècnica de Catalunya, 2014-06-19)
      Tesina
      Accés obert

    • 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)
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      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)
      Tesi
      Accés obert
      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 ...

    • New approach for photogrammetric rock slope premonitory movements monitoring 

      Núñez Andrés, María Amparo; Prades Valls, Albert; Matas Casado, Gerard; Buill Pozuelo, Felipe; Lantada, Nieves (Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-04)
      Article
      Accés obert
      An automated, fixed-location, continuous time-lapse camera system was developed to analyze the existence of rockfall precursory movements and quantify volume changes after detachments. It was implemented to monitor the ...

    • 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)
      Projecte/Treball Final de Carrera
      Accés obert

    • Quantitative analysis of risk from fragmental rockfalls 

      Corominas Dulcet, Jordi; Matas Casado, Gerard; Ruiz Carulla, Roger (2019-01)
      Article
      Accés obert
      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)
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      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 ...

    • Rockfalls: analysis of the block fragmentation through field experiments 

      Gili Ripoll, José Antonio; Ruiz Carulla, Roger; Matas Casado, Gerard; Moya Sánchez, José; Prades Valls, Albert; Corominas Dulcet, Jordi; Lantada, Nieves; Núñez Andrés, María Amparo; Buill Pozuelo, Felipe; Puig i Polo, Càrol; Martínez Bofill, Joan; Salo Salgado, Lluis; Mavrouli, Olga Christina (2022-05)
      Article
      Accés obert
      Fragmentation is a common feature of rockfall that exerts a strong control on the trajectories of the generated blocks, the impact energies, and the runout. In this paper, we present a set of four real-scale rockfall tests ...

    • 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
      Accés obert
      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 ...