Now showing items 25-36 of 84

    • Homogenization of unsaturated bentonite during hydration 

      Gens Solé, Antonio; Barboza de Vasconcelos, Ramón; Rodríguez Romero, Carlos Eduardo; Vaunat, Jean; Villar Galicia, María Victoria (EDP Sciences, 2023)
      Article
      Open Access
      Bentonite barriers are a key component in may designs of deep geological repositories for high level nuclear waste. During the hydration stage, the bentonite undergoes non-uniform changes in dry density that may persist ...
    • Evaluating innovative direct and indirect soil suction and volumetric measurement techniques for the determination of soil water retention curves following drying and wetting paths 

      Najdi, Abdallah; Encalada López, David Alejandro; Mendes, Joao; Prat Catalán, Pere; Ledesma Villalba, Alberto (Elsevier, 2023-09)
      Article
      Open Access
      Soil Water Retention Curves (SWRC) are a main characterising component in constitutive models developed for describing unsaturated soils behaviour. Their determination requires establishing a combination of accurate soil ...
    • Influence of compaction on the soil shrinkage and swelling curves 

      Encalada López, David Alejandro; Najdi, Abdallah; Mendes, Joao; Prat Catalán, Pere; Ledesma Villalba, Alberto (EDP Sciences, 2023-04)
      Article
      Open Access
      The behaviour of soils undergoing deformation due to changes in water content can be described using Soil Shrinkage Curves (SSCs). The SSCs are normally influenced by several factors as the soil’s fabric, different compaction ...
    • High Capacity Tensiometers: performance and behaviours 

      Mendes, Joao; Jamali, Armin; Najdi, Abdallah; Encalada López, David Alejandro; Bruno, Agostino; Prat Catalán, Pere; Buzzi, Olivier; Gallipoli, Domenico; Ledesma Villalba, Alberto; Toll, David (EDP Sciences, 2023-04)
      Article
      Open Access
      High capacity tensiometers (HCT) allow the direct measurement of soil matric suction, and their major limitation is the occurrence of cavitation. In this paper HCT designs using different ceramic filters with varied air ...
    • 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
      Open Access
      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 ...
    • A new approach to model geomaterials with heterogeneous properties in thermo-hydro-mechanical coupled problems 

      Rodríguez Dono, Alfonso; Zhou, Yunfeng; Olivella Pastallé, Sebastià (Elsevier, 2023-07)
      Article
      Open Access
      The main objective of this article is to present a new approach to model coupled thermo-hydro-mechanical problems considering geomaterials with heterogeneous properties. This approach has been implemented in the software ...
    • Multiprocessing for the particle tracking model MODPATH 

      Pérez Illanes, Rodrigo Alfonso; Fernández García, Daniel (Wiley, 2022-12)
      Article
      Open Access
      Particle tracking has several important applications for solute transport studies in aquifer systems. Travel time distribution at observation points, particle coordinates in time and streamlines are some practical results ...
    • 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
      Open Access
      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 ...
    • Permeation grouting of silt-sand mixtures 

      Fraccica, Alessandro; Spagnoli, Giovanni; Romero Morales, Enrique Edgar; Arroyo Alvarez de Toledo, Marcos; Gómez Bonilla, Rodrigo Andrés (Elsevier, 2022-07)
      Article
      Open Access
      In permeation grouting, a fluid carrying a binder enters the soil voids under low pressure. The binder sets and cures in the ground, thereby creating a treated soil with larger strength and stiffness and reduced permeability. ...
    • Towards the development on new high capacity tensiometers capable of measuring soil matric suction beyond 3 MPa 

      Mendes, Joao; Najdi, Abdallah; Encalada López, David Alejandro; Prat Catalán, Pere; Ledesma Villalba, Alberto (2022-09)
      Article
      Open Access
      High capacity tensiometers (HCT) are the only type of sensors in existence that can measure soil matric suction directly and are regarded to be the most accurate and reliable technique for the study of suction evolution ...
    • Heat storage efficiency, ground surface uplift and thermo-hydro-mechanical phenomena for high-temperature aquifer thermal energy storage 

      Vidal Montes, Rubén; Olivella Pastallé, Sebastià; Saaltink, Maarten Willem; Diaz-Maurin, François Carlos León (2022-10)
      Article
      Open Access
      High-temperature aquifer thermal energy storage (HT-ATES) systems can help in balancing energy demand and supply for better use of infrastructures and resources. The aim of these systems is to store high amounts of heat ...
    • Using mixed reality for the visualization and dissemination of complex 3D models in geosciences: application to the Montserrat massif (Spain) 

      Janeras Casanova, Marc; Roca Barberi, Joan Ramon; Gili Ripoll, José Antonio; Pedraza Royo, Oriol; Magnusson, Gerald; Núñez Andrés, María Amparo; Franklin, Karl A. (2022-10)
      Article
      Open Access
      <jats:p>In the last two decades, both the amount and quality of geoinformation in the geosciences field have improved substantially due to the increasingly more widespread use of techniques such as Laser Scanning (LiDAR), ...