A. Cuccurullo
Influence of soil grading on the hygro-mechancal properties of hyper-compacted earth for masonry construction
Cuccurullo, A.; Gallipoli, D.; Bruno, A. W.; Augarde, C. E.; Hughes, P.; La Borderie, C.
Authors
D. Gallipoli
A. W. Bruno
Professor Charles Augarde charles.augarde@durham.ac.uk
Head Of Department
P. Hughes
C. La Borderie
Contributors
G. Milani
Editor
A. Taliercio
Editor
S. Garrity
Editor
Abstract
This paper presents a study, at material scale, of the dependency between particle size distribution and the mechanical, hygroscopic and durability properties of compacted raw (unfired) earth for manufacturing bricks. Stiffness and strength are measured by unconfined compression tests while vapour adsorption/desorption is investigated by moisture buffering tests. In addition, the durability to water erosion is evaluated by immersion tests. All experiments were performed on cylindrical earth samples compacted at a very high pressure (100 MPa) and optimum water content. Results show that the particle size distribution strongly affects the hygro-mechanical behaviour of the material, which suggests that careful selection of the soil mix is necessary to optimize the manufacture of raw earth bricks. The high hygroscopicity of the material also indicates that raw earth bricks can regulate ambient conditions inside dwellings and therefore reduce carbon emissions and energy consumption due to airconditioning installations.
Citation
Cuccurullo, A., Gallipoli, D., Bruno, A. W., Augarde, C. E., Hughes, P., & La Borderie, C. (2018). Influence of soil grading on the hygro-mechancal properties of hyper-compacted earth for masonry construction. In G. Milani, A. Taliercio, & S. Garrity (Eds.),
Presentation Conference Type | Conference Paper (Published) |
---|---|
Conference Name | 10th International Masonry Conference |
Start Date | Jul 9, 2019 |
End Date | Jul 11, 2019 |
Publication Date | Jan 1, 2018 |
Deposit Date | Jun 11, 2019 |
Series Title | Proceedings of the 10th International Masonry Conference |
Public URL | https://durham-repository.worktribe.com/output/1144074 |
Publisher URL | http://www.10imc.com/ |
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