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Biopolymer Based Soil Treatment for Geotechnical Engineering Applications

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Handbook of Biopolymers

Abstract

Biopolymers (natural polymers) are exuded by micro- and macro-organisms (bacteria, plants, etc.) and have been shown to affect the geotechnical engineering behavior and properties of different soil types for low dosage levels. The long-chain structure of biopolymers and certain constituting chemicals (e.g., hydroxyl, ester, or amines) supply adhesive forces that help coating and binding together the soil particles. This chapter presents a review of the state of the art in biopolymer-based soil treatment (BBST), aimed at focusing more attention on the various potential uses of biopolymers, as alternatives to conventional (cement and lime) binders, for a variety of applications in the geotechnical and geoenvironmental engineering sectors. Compared to conventional binders, the benefits of BBST include its low environmental impact, non-toxicity, and non-secondary pollution. This chapter also discusses various challenges and issues related to the field application of BBST and identifies various research needs.

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Abbreviations

BBST:

Biopolymer-based soil treatment

CG:

Carrageenan gum

CH:

Chitosan

CMC:

Carboxymethyl cellulose

GG:

Guar gum

LL:

Liquid limit

PAM:

Polyacrylamide

SA:

Sodium alginate

SSA:

Specific surface area

UCS:

Unconfined compressive strength

XG:

Xanthan gum

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Correspondence to Brendan C. O’Kelly .

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© 2023 Springer Nature Singapore Pte Ltd.

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Sujatha, E.R., O’Kelly, B.C. (2023). Biopolymer Based Soil Treatment for Geotechnical Engineering Applications. In: Thomas, S., AR, A., Jose Chirayil, C., Thomas, B. (eds) Handbook of Biopolymers . Springer, Singapore. https://doi.org/10.1007/978-981-16-6603-2_22-1

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  • DOI: https://doi.org/10.1007/978-981-16-6603-2_22-1

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-6603-2

  • Online ISBN: 978-981-16-6603-2

  • eBook Packages: Springer Reference Chemistry and Mat. ScienceReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics

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