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Article Dans Une Revue Materials Année : 2024

Adobe Bricks of the Champagne Region (France): Characterization of a Chalky Raw Earth Construction Material

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Raw earth bricks made from the soil of the Chalky Champagne region (France) have been used for at least two millennia in construction, a promising heritage in the context of reducing the carbon emissions of buildings. The present experimental study aims to measure the physical, mechanical, thermal, and hydric properties of adobes collected from a local village barn. The results show a high chalk content, estimated at 71%, and a clay content, acting as a binder, of 14%. Despite limited load-bearing capacity, these lightweight adobes are suitable for current single-story constructions, while their hydrothermal properties classify them as excellent moisture regulators for occupants. In association with other bio-sourced materials such as starch–beet pulp bricks, Chalky Champagne adobes yield promising insulating properties, and meet the criteria defined by current energy standards.
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hal-04581478 , version 1 (21-05-2024)

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Guillaume Polidori, Adrien Aras-Gaudry, Fabien Beaumont, Fabien Bogard, Sébastien Murer, et al.. Adobe Bricks of the Champagne Region (France): Characterization of a Chalky Raw Earth Construction Material. Materials, 2024, 17 (10), pp.2307. ⟨10.3390/ma17102307⟩. ⟨hal-04581478⟩
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