Shrinkage curves for powder and granular bentonites

Martin Wijaya, Eng Choon Leong*, Hossam Abuel-Naga

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Bentonite is one of the most commonly used materials in geotechnical engineering applications especially for isolation purposes due its low permeability and its highly expansive nature. For instance, Geosynthetic Clay Liners (GCL) self-healing ability relies on the swelling properties of the bentonite to close any holes in the GCL while the low permeability of the bentonite serves to reduce the infiltration of leachate to the surrounding soil. However, different types of bentonite have different shrinkage or swelling properties and hence affects the effectiveness of the GCL. A method to assess the wetting/drying induced volume change of the bentonite is through its shrinkage curve. This paper focuses on the shrinkage behaviour of reconstituted granular and powder bentonites which are used in GCL. Photogrammetry method is used to measure the volume change of specimen during drying. The shrinkage curves of the bentonites are then compared with other bentonites from the literature.

Original languageEnglish
Title of host publication7th International Symposium on Deformation Characteristics of Geomaterials, IS-Glasgow 2019
EditorsErdin Ibraim, Alessandro Tarantino
PublisherEDP Sciences
ISBN (Electronic)9782759890644
DOIs
Publication statusPublished - Jun 25 2019
Externally publishedYes
Event7th International Symposium on Deformation Characteristics of Geomaterials, IS-Glasgow 2019 - Glasgow, United Kingdom
Duration: Jun 26 2019Jun 28 2019

Publication series

NameE3S Web of Conferences
Volume92
ISSN (Print)2555-0403
ISSN (Electronic)2267-1242

Conference

Conference7th International Symposium on Deformation Characteristics of Geomaterials, IS-Glasgow 2019
Country/TerritoryUnited Kingdom
CityGlasgow
Period6/26/196/28/19

Bibliographical note

Publisher Copyright:
© The Authors, published by EDP Sciences.

ASJC Scopus Subject Areas

  • General Environmental Science
  • General Energy
  • General Earth and Planetary Sciences

Fingerprint

Dive into the research topics of 'Shrinkage curves for powder and granular bentonites'. Together they form a unique fingerprint.

Cite this