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Détail de l'auteur
Auteur Murat Kaya
Documents disponibles écrits par cet auteur
Affiner la rechercheHysteresis of unsaturated hydromechanical properties of a silty soil / Ning Lu in Journal of geotechnical and geoenvironmental engineering, Vol. 139 N° 3 (Mars 2013)
[article]
in Journal of geotechnical and geoenvironmental engineering > Vol. 139 N° 3 (Mars 2013) . - pp. 507-510
Titre : Hysteresis of unsaturated hydromechanical properties of a silty soil Type de document : texte imprimé Auteurs : Ning Lu, Auteur ; Murat Kaya, Auteur ; Brian D. Collins, Auteur Année de publication : 2013 Article en page(s) : pp. 507-510 Note générale : geotechnique Langues : Anglais (eng) Mots-clés : unsaturated soils; soil suction; hydraulic conductivity; soil water; hysteresis; silts; mechanical properties Résumé : Laboratory tests to examine hysteresis in the hydrologic and mechanical properties of partially saturated soils were conducted on six intact specimens collected from a landslide-prone area of Alameda County, California. The results reveal that the pore-size distribution parameter remains statistically unchanged between the wetting and drying paths; however, the wetting or drying state has a pronounced influence on the water-entry pressure, the water-filled porosity at zero suction, and the saturated hydraulic conductivity. The suction stress values obtained from the shear-strength tests under both natural moisture and resaturated conditions were mostly bounded by the suction stress characteristic curves (SSCCs) obtained from the hydrologic tests. This finding experimentally confirms that the soil-water retention curve, hydraulic conductivity function, and SSCC are intrinsically related. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0000786 [article] Hysteresis of unsaturated hydromechanical properties of a silty soil [texte imprimé] / Ning Lu, Auteur ; Murat Kaya, Auteur ; Brian D. Collins, Auteur . - 2013 . - pp. 507-510.
geotechnique
Langues : Anglais (eng)
in Journal of geotechnical and geoenvironmental engineering > Vol. 139 N° 3 (Mars 2013) . - pp. 507-510
Mots-clés : unsaturated soils; soil suction; hydraulic conductivity; soil water; hysteresis; silts; mechanical properties Résumé : Laboratory tests to examine hysteresis in the hydrologic and mechanical properties of partially saturated soils were conducted on six intact specimens collected from a landslide-prone area of Alameda County, California. The results reveal that the pore-size distribution parameter remains statistically unchanged between the wetting and drying paths; however, the wetting or drying state has a pronounced influence on the water-entry pressure, the water-filled porosity at zero suction, and the saturated hydraulic conductivity. The suction stress values obtained from the shear-strength tests under both natural moisture and resaturated conditions were mostly bounded by the suction stress characteristic curves (SSCCs) obtained from the hydrologic tests. This finding experimentally confirms that the soil-water retention curve, hydraulic conductivity function, and SSCC are intrinsically related. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0000786