Alessia Cuccurullo
Influence of particle grading on the hygromechanical properties of hypercompacted earth
Cuccurullo, Alessia; Gallipoli, Domenico; Bruno, Agostino Walter; Augarde, Charles; Hughes, Paul; La Borderie, Christian
Authors
Domenico Gallipoli
Agostino Walter Bruno
Professor Charles Augarde charles.augarde@durham.ac.uk
Head Of Department
Professor Paul Hughes paul.hughes2@durham.ac.uk
Professor
Christian La Borderie
Abstract
Civil engineering research is increasingly focusing on the development of sustainable and energy-efficient building materials. Among these materials, raw (unfired) earth constitutes a promising option for reducing the environmental impact of buildings over their entire service life from construction to demolition. Raw earth has been used since old times but only recently has acquired prominence in mainstream building practice. This is mainly because of the development of novel methods to enhance the mechanical, hygroscopic and durability properties of compacted earth without increasing carbon and energy footprints. In this context, the present paper studies the dependency of the strength, stiffness, moisture capacity and water durability of compacted earth on particle grading. Results indicate that the particle size distribution is a key variable in defining the hygromechanical characteristics of compacted earth. The effect of the particle size distribution on the hygromechanical properties of compacted earth may be as important as that of dry density or stabilisation. This study suggests that a fine and well-graded earth mix exhibits higher levels of strength, stiffness, moisture capacity and water durability than a coarse and poorly-graded one.
Citation
Cuccurullo, A., Gallipoli, D., Bruno, A. W., Augarde, C., Hughes, P., & La Borderie, C. (2020). Influence of particle grading on the hygromechanical properties of hypercompacted earth. Journal of Building Pathology and Rehabilitation, 5(1), Article 2. https://doi.org/10.1007/s41024-019-0066-4
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 9, 2019 |
Online Publication Date | Nov 23, 2019 |
Publication Date | Dec 31, 2020 |
Deposit Date | Nov 27, 2019 |
Publicly Available Date | Nov 27, 2019 |
Journal | Journal of Building Pathology and Rehabilitation |
Print ISSN | 2365-3159 |
Electronic ISSN | 2365-3167 |
Publisher | Springer |
Peer Reviewed | Peer Reviewed |
Volume | 5 |
Issue | 1 |
Article Number | 2 |
DOI | https://doi.org/10.1007/s41024-019-0066-4 |
Public URL | https://durham-repository.worktribe.com/output/1282572 |
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Copyright Statement
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mmons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate
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