Use of xanthan and guar gums in soil strengthening

Addition of appropriate additives is considered as one of the most widely used techniques in soil stabilization applications. This study explores the viability of two types of biopolymer, xanthan gum and guar gum, as environmentally friendly additives for collapsible soil stabilization. Compaction,...

Full description

Saved in:
Bibliographic Details
Published in:Clean technologies and environmental policy 2019-01, Vol.21 (1), p.155-165
Main Authors: Dehghan, Hasan, Tabarsa, Alireza, Latifi, Nima, Bagheri, Younes
Format: Article
Language:English
Subjects:
Additives
Biopolymers
Curing
Earth and Environmental Science
Environment
Environmental Economics
Environmental Engineering/Biotechnology
Environmental policy
Fine-grained soils
Guar gum
Industrial and Production Engineering
Industrial Chemistry/Chemical Engineering
Mechanical properties
Morphology
Original Paper
Permeability
Property
Scanning electron microscopy
Soil compaction
Soil improvement
Soil mechanics
Soil permeability
Soil properties
Soil stabilization
Soil strength
Soil treatment
Stabilization
Strings
Sustainable Development
Viability
Xanthan
Xanthan gum
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Addition of appropriate additives is considered as one of the most widely used techniques in soil stabilization applications. This study explores the viability of two types of biopolymer, xanthan gum and guar gum, as environmentally friendly additives for collapsible soil stabilization. Compaction, consolidation, permeability, and unconsolidated-undrained triaxial tests were performed in this study to measure the engineering properties of treated soil with different percentages of biopolymer at various curing times. Additionally, scanning electron microscopy (SEM) test was employed to assess the changes on the morphological characteristics of the stabilized soil. The results reveal that biopolymers decrease maximum dry density and permeability of the collapsible soil. The findings also indicate that strain–stress curves are influenced by the amount of biopolymer and curing time. Also, the results of SEM test show the changes in soil morphological characteristics due to the interaction between the biopolymers strings and fine-grained particles of the soil. Generally, the results suggest that xanthan gum and guar gum stabilization play a major role in fine-grained collapsible soil mechanical properties improvement, resulting in an eco-friendly and sustainable substitute to traditional soil additives. Graphical abstract
ISSN:1618-954X
1618-9558
DOI:10.1007/s10098-018-1625-0