Exploració per tema "laboratory tests"

Ara es mostren els items 4-10 de 10

    • Experimental investigation on an effective stress law in compacted clayey/silty soil 

      Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Experimental results of isotropic stress tests performed on statically compacted clayey silt are presented to examine the volume change response of the material subjected to controlled increments in net mean stress and ...

    • Hydro-mechanical behaviour of water-repellent gravels 

      Monserrat Amat, Marina (Universitat Politècnica de Catalunya, 2017-01-25)
      Projecte Final de Màster Oficial
      Accés obert
      El comportamiento de escolleras y gravas ha sido ampliamente estudiado debido al gran número de aplicaciones de estos materiales en ingeniería civil. Las escolleras experimentan una deformación de colapso bajo carga ...

    • Hydromechanical behaviour of compacted granular expansive mixtures: experimental and constitutive study 

      Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Hoffmann Jauge, Christian (2011-04-01)
      Article
      Accés restringit per política de l'editorial
      Compacted granular mixtures of high-density bentonite pellets have been evaluated as an alternative buffer material to fill the empty space around nuclear waste disposal canisters in horizontal drifts. Despite the obvious ...

    • LED lamp modelling for harmonic studies in distribution systems 

      Molina, Julio; Mesas García, Juan José; Mesbahi, Nadhir; Sainz Sapera, Luis (2017-03-09)
      Article
      Accés restringit per decisió de l'autor
      Energy saving policies have boosted the use of light emitting diode (LED) lamps in distribution networks. These lamps are non-linear loads which inject harmonic currents into the distribution system, which has led to a ...

    • Shear strength degradation in claystones due to environmental effects 

      Pineda Jiménez, Jubert Andrés; Romero Morales, Enrique Edgar; De Gracia, Manuel; Sheng, Daichao (Thomas Telford, 2014-05)
      Article
      Accés restringit per política de l'editorial
      This note explores the influence of environmental effects, as those induced by cyclic changes in relative humidity, on the degradation of the shear strength parameters in Lilla claystone, a low-porosity clayey rock from ...

    • Small strain shear moduli of unsaturated natural and compacted loess 

      Ng, C. W. W.; Kaewsong, R.; Zhou, C.; Alonso Pérez de Agreda, Eduardo (Thomas Telford, 2017-07)
      Article
      Accés obert
      Suction and microstructure play critical roles in the mechanical behaviour of loess, yet their effects on small strain (from 0·001 to 1%) shear moduli are not fully understood. In this study, shear moduli of loess with ...

    • Swelling behaviour of compacted Maryland clay under different boundary conditions 

      Yuan, Shengyang; Buzzi, Olivier; Liu, Xiaobo; Vaunat, Jean (Thomas Telford, 2019-06)
      Article
      Accés obert
      This paper presents an experimental study on the swelling response of compacted Maryland clay specimens subjected to hydration under a range of boundary conditions. The research is multi-scale with swelling tests complemented ...