Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Laboratory Fall Cone Testing of Unsaturated Sand
Laboratory fall cone penetration is measured as a function of saturation for four sands using equipment more commonly used to quantify plasticity and undrained strength of fine-grained soils. Relations between penetration depth and saturation display nonmonotonic behavior characteristic of the more general behavior of unsaturated sands. Penetration-saturation () relations are interpreted in three behavioral regimes: is largest for dry sand, decreases sharply with increasing up to residual saturation, continues to decrease slightly and approximately linearly between residual saturation and of approximately 50 to 90%, and then increases at full saturation to a penetration value less than that under dry conditions. Observations are partially attributed to suction induced by a dilative soil rupture zone and are interpreted using an effective stress framework that links soil-water retention curves and suction-stress characteristic curves for the sands.
Laboratory Fall Cone Testing of Unsaturated Sand
Laboratory fall cone penetration is measured as a function of saturation for four sands using equipment more commonly used to quantify plasticity and undrained strength of fine-grained soils. Relations between penetration depth and saturation display nonmonotonic behavior characteristic of the more general behavior of unsaturated sands. Penetration-saturation () relations are interpreted in three behavioral regimes: is largest for dry sand, decreases sharply with increasing up to residual saturation, continues to decrease slightly and approximately linearly between residual saturation and of approximately 50 to 90%, and then increases at full saturation to a penetration value less than that under dry conditions. Observations are partially attributed to suction induced by a dilative soil rupture zone and are interpreted using an effective stress framework that links soil-water retention curves and suction-stress characteristic curves for the sands.
Laboratory Fall Cone Testing of Unsaturated Sand
Likos, William J. (Autor:in) / Jaafar, Rani (Autor:in)
02.05.2014
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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