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Advances in the Use of Biological Stabilisers and Hyper-Compaction for Sustainable Earthen Construction Materials

Abstract : In the majority of cases, earthen construction materials for real buildings require amendment to deliver suitable material properties, which could be some additional strength or resilience to erosion. In modern earthen construction, in India, Australia and other parts of the world, cement and lime have been successfully used as stabilisers, providing both strength and durability benefits. However, the use of cement is detrimental to the green credentials of earthen construction materials, due to the large carbon footprint of that material's manufacture and, for some time, researchers have been motivated to find more appropriate stabilisers and manufacturing methods. In this paper, we present recent findings from two projects that are linked by this motivation and involve the study of bio-based stabilisers and alternative manufacturing methods for in situ and unit-based materials. Results are presented from laboratory testing of strength and durability of a range of materials, bio-stabilisers and manufacturing processes, indicating that there could be viable alternatives to cement and lime, certainly for many current uses of earthen construction materials.
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https://hal-univ-pau.archives-ouvertes.fr/hal-02154031
Contributor : Siame Labo <>
Submitted on : Wednesday, June 12, 2019 - 4:14:35 PM
Last modification on : Thursday, March 5, 2020 - 7:13:28 PM

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Sravan Muguda, George Lucas, Paul Hughes, Charles Augarde, Alessia Cuccurullo, et al.. Advances in the Use of Biological Stabilisers and Hyper-Compaction for Sustainable Earthen Construction Materials. Earthen Dwellings and Structures: Current Status in Their Adoption, Aug 2018, Bangalore, India, India. pp.191-201, ⟨10.1007/978-981-13-5883-8_17⟩. ⟨hal-02154031⟩

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