Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure

Derya Burcu Gulen; E. Ece Eseller-Bayat

doi:10.1007/978-3-319-52773-4_15

Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure

Derya Burcu Gulen, E. Ece Eseller-Bayat^*

^*Corresponding author for this work

Department of Civil Engineering

Istanbul Technical University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Citations (Scopus)

Abstract

In this study, specimen preparation techniques for testing fully and partially saturated specimens were investigated. Various techniques were evaluated for obtaining loose to dense fully saturated sand specimens in a flexible membrane of DSS-C device, with minimal distortion to the specimen. Moist undercompaction technique in stages and then saturation with back pressure seem to be the best technique for obtaining loose to dense fully saturated uniform sand specimens. Gas/air entrapped partially saturated sand specimens were prepared by using a chemical powder: sodium percarbonate. The powder was mixed with water and predetermined amount of dry sand was rained into this solution. The chemical powder gets into reaction with water and generates oxygen gases which get entrapped in the sand voids. The techniques developed for obtaining uniform, repetitive sand specimens practically were discussed herein. The specimens prepared were tested under undrained conditions in Dynamic Simple Shear with Confining Pressure (DSS-C) testing device.

Original language	English
Title of host publication	Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017
Editors	Ferrari Ferrari, Lyesse Laloui, Ferrari Ferrari
Publisher	Springer Verlag
Pages	139-146
Number of pages	8
ISBN (Print)	9783319527727
DOIs	https://doi.org/10.1007/978-3-319-52773-4_15
Publication status	Published - 2017
Event	International Workshop on Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017 - Villars-sur-Ollon, Switzerland Duration: 18 Jan 2017 → 20 Jan 2017

Publication series

Name	Springer Series in Geomechanics and Geoengineering
ISSN (Print)	1866-8755
ISSN (Electronic)	1866-8763

Conference

Conference	International Workshop on Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017
Country/Territory	Switzerland
City	Villars-sur-Ollon
Period	18/01/17 → 20/01/17

Bibliographical note

Publisher Copyright:
© Springer International Publishing AG 2017.

Access to Document

10.1007/978-3-319-52773-4_15

Cite this

Gulen, D. B., & Ece Eseller-Bayat, E. (2017). Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure. In F. Ferrari, L. Laloui, & F. Ferrari (Eds.), Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017 (pp. 139-146). (Springer Series in Geomechanics and Geoengineering). Springer Verlag. https://doi.org/10.1007/978-3-319-52773-4_15

Gulen, Derya Burcu ; Ece Eseller-Bayat, E. / Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure. Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017. editor / Ferrari Ferrari ; Lyesse Laloui ; Ferrari Ferrari. Springer Verlag, 2017. pp. 139-146 (Springer Series in Geomechanics and Geoengineering).

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title = "Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure",

abstract = "In this study, specimen preparation techniques for testing fully and partially saturated specimens were investigated. Various techniques were evaluated for obtaining loose to dense fully saturated sand specimens in a flexible membrane of DSS-C device, with minimal distortion to the specimen. Moist undercompaction technique in stages and then saturation with back pressure seem to be the best technique for obtaining loose to dense fully saturated uniform sand specimens. Gas/air entrapped partially saturated sand specimens were prepared by using a chemical powder: sodium percarbonate. The powder was mixed with water and predetermined amount of dry sand was rained into this solution. The chemical powder gets into reaction with water and generates oxygen gases which get entrapped in the sand voids. The techniques developed for obtaining uniform, repetitive sand specimens practically were discussed herein. The specimens prepared were tested under undrained conditions in Dynamic Simple Shear with Confining Pressure (DSS-C) testing device.",

author = "Gulen, {Derya Burcu} and {Ece Eseller-Bayat}, E.",

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Gulen, DB & Ece Eseller-Bayat, E 2017, Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure. in F Ferrari, L Laloui & F Ferrari (eds), Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017. Springer Series in Geomechanics and Geoengineering, Springer Verlag, pp. 139-146, International Workshop on Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017, Villars-sur-Ollon, Switzerland, 18/01/17. https://doi.org/10.1007/978-3-319-52773-4_15

Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure. / Gulen, Derya Burcu; Ece Eseller-Bayat, E.
Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017. ed. / Ferrari Ferrari; Lyesse Laloui; Ferrari Ferrari. Springer Verlag, 2017. p. 139-146 (Springer Series in Geomechanics and Geoengineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Gulen, Derya Burcu

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PY - 2017

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AB - In this study, specimen preparation techniques for testing fully and partially saturated specimens were investigated. Various techniques were evaluated for obtaining loose to dense fully saturated sand specimens in a flexible membrane of DSS-C device, with minimal distortion to the specimen. Moist undercompaction technique in stages and then saturation with back pressure seem to be the best technique for obtaining loose to dense fully saturated uniform sand specimens. Gas/air entrapped partially saturated sand specimens were prepared by using a chemical powder: sodium percarbonate. The powder was mixed with water and predetermined amount of dry sand was rained into this solution. The chemical powder gets into reaction with water and generates oxygen gases which get entrapped in the sand voids. The techniques developed for obtaining uniform, repetitive sand specimens practically were discussed herein. The specimens prepared were tested under undrained conditions in Dynamic Simple Shear with Confining Pressure (DSS-C) testing device.

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Gulen DB, Ece Eseller-Bayat E. Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure. In Ferrari F, Laloui L, Ferrari F, editors, Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017. Springer Verlag. 2017. p. 139-146. (Springer Series in Geomechanics and Geoengineering). doi: 10.1007/978-3-319-52773-4_15

Specimen preparation techniques for testing fully and partially saturated sands in Dynamic Simple Shear (DSS) test device with confining pressure

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