Microstructural interpretation of compression behaviour of compacted kaolin clay

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

3 Citations (Scopus)

Abstract

Clay particle aggregation controls the mechanical behaviour of clayey soils. An aggregated structure is generally associated with a bi-modal pore size distribution (e.g. soils compacted dry of optimum or at optimum water content) whereas a non-aggregated structure is generally associated with a mono-modal pore-size distribution (laboratory-reconstituted and natural sedimentary soils). Aggregation occurs as consequence of interaction of particles or clusters of particles. At this level electro-chemical forces may play an important role by i) controlling the interaction between aggregates and ii) the size and nature of the aggregates themselves in soils under both saturated and unsaturated conditions. A deeper understanding of the mechanisms and the factors controlling aggregation is therefore fundamental to predict and/or "engineer" the mechanical behaviour of clay. The paper presents a microstructural interpretation of compression behaviour of compacted kaolin clay.
LanguageEnglish
Title of host publicationUnsaturated Soils
Subtitle of host publicationResearch & Applications
EditorsNasser Khalili, Adrian Russell, Arman Khoshghalb
Place of PublicationLeiden
Pages739-745
Number of pages7
Publication statusPublished - 5 Jun 2014
Event6th International Conference on Unsaturated Soils - Sydney, Australia
Duration: 2 Jul 20144 Jul 2014

Conference

Conference6th International Conference on Unsaturated Soils
Abbreviated titleUNSAT 2014
CountryAustralia
CitySydney
Period2/07/144/07/14

Fingerprint

Kaolin
Clay
Soils
Agglomeration
Pore size
Water content
Engineers

Cite this

Pedrotti, M., & Tarantino, A. (2014). Microstructural interpretation of compression behaviour of compacted kaolin clay. In N. Khalili, A. Russell, & A. Khoshghalb (Eds.), Unsaturated Soils: Research & Applications (pp. 739-745). Leiden.
Pedrotti, M. ; Tarantino, A. / Microstructural interpretation of compression behaviour of compacted kaolin clay. Unsaturated Soils: Research & Applications. editor / Nasser Khalili ; Adrian Russell ; Arman Khoshghalb. Leiden, 2014. pp. 739-745
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Pedrotti, M & Tarantino, A 2014, Microstructural interpretation of compression behaviour of compacted kaolin clay. in N Khalili, A Russell & A Khoshghalb (eds), Unsaturated Soils: Research & Applications. Leiden, pp. 739-745, 6th International Conference on Unsaturated Soils, Sydney, Australia, 2/07/14.

Microstructural interpretation of compression behaviour of compacted kaolin clay. / Pedrotti, M.; Tarantino, A.

Unsaturated Soils: Research & Applications. ed. / Nasser Khalili; Adrian Russell; Arman Khoshghalb. Leiden, 2014. p. 739-745.

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

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N2 - Clay particle aggregation controls the mechanical behaviour of clayey soils. An aggregated structure is generally associated with a bi-modal pore size distribution (e.g. soils compacted dry of optimum or at optimum water content) whereas a non-aggregated structure is generally associated with a mono-modal pore-size distribution (laboratory-reconstituted and natural sedimentary soils). Aggregation occurs as consequence of interaction of particles or clusters of particles. At this level electro-chemical forces may play an important role by i) controlling the interaction between aggregates and ii) the size and nature of the aggregates themselves in soils under both saturated and unsaturated conditions. A deeper understanding of the mechanisms and the factors controlling aggregation is therefore fundamental to predict and/or "engineer" the mechanical behaviour of clay. The paper presents a microstructural interpretation of compression behaviour of compacted kaolin clay.

AB - Clay particle aggregation controls the mechanical behaviour of clayey soils. An aggregated structure is generally associated with a bi-modal pore size distribution (e.g. soils compacted dry of optimum or at optimum water content) whereas a non-aggregated structure is generally associated with a mono-modal pore-size distribution (laboratory-reconstituted and natural sedimentary soils). Aggregation occurs as consequence of interaction of particles or clusters of particles. At this level electro-chemical forces may play an important role by i) controlling the interaction between aggregates and ii) the size and nature of the aggregates themselves in soils under both saturated and unsaturated conditions. A deeper understanding of the mechanisms and the factors controlling aggregation is therefore fundamental to predict and/or "engineer" the mechanical behaviour of clay. The paper presents a microstructural interpretation of compression behaviour of compacted kaolin clay.

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Pedrotti M, Tarantino A. Microstructural interpretation of compression behaviour of compacted kaolin clay. In Khalili N, Russell A, Khoshghalb A, editors, Unsaturated Soils: Research & Applications. Leiden. 2014. p. 739-745