An experimental investigation of the independent effect of suction and degree of saturation on very small-strain stiffness of unsaturated sand

A Pagano; Alessandro Tarantino; Meghdad Bagheri; Mohammad Rezania; Philippe  Sentenac

doi:10.1051/e3sconf/20160914015

An experimental investigation of the independent effect of suction and degree of saturation on very small-strain stiffness of unsaturated sand

A Pagano
, Alessandro Tarantino
, Meghdad Bagheri
, Mohammad Rezania
, Philippe Sentenac

Research output: Contribution to journal › Conference article › peer-review

4 Citations (Scopus)

70 Downloads (Pure)

Abstract

The paper presents an experimental investigation of very small strain stiffness of unsaturated sand. A triaxial test apparatus was equipped with bender elements and compression discs in order to assess the stiffness at very small strains by measuring the velocity of propagation of shear and compression waves through an unsaturated sample. The negative water column method was adopted to apply suction at the base of the sample. The experiments were designed to investigate the independent effect of suction and degree of saturation on the wave propagation
velocities. This was achieved by testing the sand sample on both the drying and wetting path.

Original language	English
Pages (from-to)	14015
Number of pages	4
Journal	E3S Web of Conferences
Volume	9
DOIs	https://doi.org/10.1051/e3sconf/20160914015
Publication status	Published - 12 Sept 2016
Event	3rd European Conference on Unsaturated Soils, E-UNSAT 2016 - Paris, France Duration: 12 Sept 2016 → 14 Sept 2016

Bibliographical note

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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title = "An experimental investigation of the independent effect of suction and degree of saturation on very small-strain stiffness of unsaturated sand",

abstract = "The paper presents an experimental investigation of very small strain stiffness of unsaturated sand. A triaxial test apparatus was equipped with bender elements and compression discs in order to assess the stiffness at very small strains by measuring the velocity of propagation of shear and compression waves through an unsaturated sample. The negative water column method was adopted to apply suction at the base of the sample. The experiments were designed to investigate the independent effect of suction and degree of saturation on the wave propagation velocities. This was achieved by testing the sand sample on both the drying and wetting path. ",

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note = "This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.; 3rd European Conference on Unsaturated Soils, E-UNSAT 2016 ; Conference date: 12-09-2016 Through 14-09-2016",

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T1 - An experimental investigation of the independent effect of suction and degree of saturation on very small-strain stiffness of unsaturated sand

AU - Pagano, A

AU - Tarantino, Alessandro

AU - Bagheri, Meghdad

AU - Rezania, Mohammad

AU - Sentenac, Philippe

N1 - This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

PY - 2016/9/12

Y1 - 2016/9/12

N2 - The paper presents an experimental investigation of very small strain stiffness of unsaturated sand. A triaxial test apparatus was equipped with bender elements and compression discs in order to assess the stiffness at very small strains by measuring the velocity of propagation of shear and compression waves through an unsaturated sample. The negative water column method was adopted to apply suction at the base of the sample. The experiments were designed to investigate the independent effect of suction and degree of saturation on the wave propagation velocities. This was achieved by testing the sand sample on both the drying and wetting path.

AB - The paper presents an experimental investigation of very small strain stiffness of unsaturated sand. A triaxial test apparatus was equipped with bender elements and compression discs in order to assess the stiffness at very small strains by measuring the velocity of propagation of shear and compression waves through an unsaturated sample. The negative water column method was adopted to apply suction at the base of the sample. The experiments were designed to investigate the independent effect of suction and degree of saturation on the wave propagation velocities. This was achieved by testing the sand sample on both the drying and wetting path.

U2 - 10.1051/e3sconf/20160914015

DO - 10.1051/e3sconf/20160914015

M3 - Conference article

SN - 2267-1242

VL - 9

SP - 14015

JO - E3S Web of Conferences

JF - E3S Web of Conferences

T2 - 3rd European Conference on Unsaturated Soils, E-UNSAT 2016

Y2 - 12 September 2016 through 14 September 2016

ER -

An experimental investigation of the independent effect of suction and degree of saturation on very small-strain stiffness of unsaturated sand

Abstract

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