Now showing items 1-20 of 49

    • 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 micro-properties for triaxial behaviour on coarse aggregates using DEM 

      Tapias, Mauricio A.; Alonso Pérez de Agreda, Eduardo; Gili Ripoll, José Antonio (CIMNE, 2011)
      Conference report
      Open Access
      This paper presents an analysis of the mechanical behaviour of coarse granular aggregates using the discrete element method. A background reference for the conducted study is the set of results of a few large scale triaxial ...
    • 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
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    • 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
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      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 ...
    • Baleares 2013 Calibration Campaign for Jason-2 and Saral/AltiKa 

      Martínez Benjamín, Juan José; Biancale, Richard; Martín Dávila, José; Gárate Pasquín, Jorge; Pérez Gómez, Begoña; Gili Ripoll, José Antonio; López Bravo, Rogelio; Tapia Gómez, Ana M.; Gracia Gómez, Carlos; Frappart, Frédéric; Roussel, Nicolas (2013)
      Conference lecture
      Open Access
      A Baleares calibration campaign in Spanish-French cooperation is being prepared for mid September 2013 for the altimeters of Jason-2 and Saral/AltiKa in the Ibiza island area. A similar Spanish/French experience with Jason-1 ...
    • 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
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      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 several geomatic techniques for rockfall monitoring 

      Núñez Andrés, María Amparo; Buill Pozuelo, Felipe; Puig i Polo, Càrol; Lantada, Nieves; Janeras Casanova, Marc; Gili Ripoll, José Antonio (2019)
      Conference report
      Open Access
      Rockfalls are slope instabilities very frequent and harmful in mountainous areas. They cause damage in infrastructures (roads and railways), buildings, vehicles and people.Several testswerecarried out to ...
    • Comunicación de la geoinformación 3D mediante visores web y entornos inmersivos de realidad mixta en problemas de taludes y laderas 

      Buill Pozuelo, Felipe; Pedraza Royo, Oriol; Janeras, Marc; Gili Ripoll, José Antonio; Guinau, Marta; Roca Barberi, Joan Ramon; Ferré i Oltra, Anna; Struth, Lucía (International Centre for Numerical Methods in Engineering (CIMNE), 2022)
      Conference report
      Open Access
      La revolución experimentada por el uso creciente de la geoinformación 3D en la ingeniería geológica, gracias a los avances tecnológicos, que progresivamente han facilitado una disponibilidad de técnicas de adquisición de ...
    • Deformation monitoring of the Control Tower, Port of Barcelona (Spain) 

      Tapia Gómez, Ana M.; López Bravo, Rogelio; Gili Ripoll, José Antonio; Martínez Benjamín, Juan José; Pros Llavador, Francesc; Palau, Vicenç (2013)
      Conference report
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      The Control Tower of the Port of Barcelona is situated in the North dike of the so-called Energy Pier in the Barcelona harbor (Spain). This tower has different kind of antennas for navigation monitoring and a GNSS permanent ...
    • 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 ...
    • El proyecto de desmontes en macizos rocosos 

      Alonso Pérez de Agreda, Eduardo; Gili Ripoll, José Antonio (1989)
      Article
      Open Access
      La importancia que en numerosas obras de infraestructura tienen los desmontes en terreno rocoso, determina la necesidad de emplear métodos de proyecto basados en observaciones de campo, determinación de propiedades resistentes ...
    • Ensayo a escala real de varias técnicas geomáticas de monitorización de movimientos de edificios 

      Lantada, Nieves; Núñez Andrés, María Amparo; Gili Ripoll, José Antonio; Buill Pozuelo, Felipe; Puig i Polo, Càrol; Zabaleta Zenarrutzabeitia, Izturitz; Rodríguez Jordana, Juan; Luzi, G.; Cuevas, M. (Ilustre Colegio Oficial de Ingenieros Técnicos en Topografía de España, 2012)
      Conference lecture
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      Dentro del proyecto de I+D del Ministerio de Ciencia e Innovación “Aplicación de técnicas geomáticas a la monitorización de edificios. Efecto térmico” (GEOTERM), coordinado por la Universidad Politécnica de Cataluña, se ...
    • Estudio del geoide en el parque nacional de Doñana 

      Núñez Andrés, María Amparo; Gili Ripoll, José Antonio; Martín Furones, Ángel Esteban (Semana de geomática, 2005)
      Conference report
      Open Access
      En el marco de los proyectos de la DGICyT “Procesos hidrogeológicos y geomorfológicos en los humedales del área de Doñana” y “Análisis de la dinámica del sistema acuífero de Doñana y sus relaciones con la evolución reciente ...
    • Experiences using real time kinematic GPS positioning for erosion and hydrographic surveys in Doñana National Park (Spain) 

      Gili Ripoll, José Antonio; Ibáñez Martínez, Enric; Solís, J; Puig i Polo, Càrol; Buill Pozuelo, Felipe; López Bravo, Rogelio; Lantada, Nieves; Núñez Andrés, María Amparo; Corral Manuel de Villena, Ignacio de; González Lopez, Sergio (Instituto de Navegacion de España, 2021)
      Conference lecture
      Open Access
      Last decade, real time kinematics (RTK) GPS methods have been developed with high productivity and good theoretical precision, enabling the coverage of wide areas. The main objective of this contribution is to ascertain ...
    • 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 ...
    • Geodetic infraestructure in the Ibiza and Barcelona harbours for sea level monitoring 

      Martínez Benjamín, Juan José; Gili Ripoll, José Antonio; López Bravo, Rogelio; Tapia Gómez, Ana M.; Pérez Gómez, Begoña; Gracia Gómez, Carlos; Pros Llavador, Francesc; Palau Teixidó, Vicenç (2013)
      Conference lecture
      Open Access
      The presentation is directed to the description of the actual situation and relevant information of the geodetic infrastructure of Ibiza and Barcelona sites for sea level determination and contribution to regional sea level ...
    • Geodetic infrastructure in the Barcelona and l’Estartit harbours for sea level monitoring 

      Martínez Benjamín, Juan José; Bosch, Ernest; Pérez Gómez, Begoña; Martínez de Osés, Francesc Xavier; Gili Ripoll, José Antonio; Tapia Gómez, Ana M.; González González, Juan Carlos; Sanz Conde, M. Mercedes; López Bravo, Rogelio; Pros Llavador, Francesc (2011)
      Conference lecture
      Open Access
    • Implementación CGPS y altimetría en los Puertos de Ibiza, l’Estartit y Barcelona para monitorización del nivel del mar 

      Rodríguez Velasco, G.; Martínez Benjamín, Juan José; Ortiz Castellón, M. A.; Ruiz, A.; Bosch, Ernest; Termens, Assumpció; Martínez-García, Marina; Martínez de Osés, Francesc Xavier; Perez, Begoña; Lopez, Rogelio; Tapia Gómez, Ana M.; Gili Ripoll, José Antonio; Pros Llavador, Francesc (2011-12)
      Article
      Open Access
      Dos campañas aéreas con el LIDAR Optech ALTM-3025 del ICC (Instituto Cartogáfico de Cataluña) fueron realizadas el 16 de Junio de 2007 de día con un Partenavia P-68 y el 12 de Octubre de 2007 de noche con un Cessna Caravan ...
    • Implementation of marine altimeter calibration campaign in the area of Ibiza island 

      Martínez Benjamín, Juan José; López Bravo, Rogelio; Pérez Gómez, Begoña; Gili Ripoll, José Antonio; Tapia Gómez, Ana M.; González González, Juan Carlos; Sanz Conde, M. Mercedes; Gracia Gómez, Carlos (European Space Agency Communications, 2013)
      Conference report
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      The presentation is directed mainly to the description of the actual situation of the Ibiza site in preparation for a new altimeter calibration marine campaign of Jason-2 and Sara/AltiKa satellites to be made in september ...
    • 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)
      Conference lecture
      Restricted access - publisher's policy
      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 ...