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Hygrothermal characterization of a new bio-based construction material: Concrete reinforced with date palm fibers

Abstract : Hygrothermal behavior of a new building material, composed of cement, sand and date palm fibers was investigated in the present work. In a first part, the sorption-desorption isotherms and the hysteresis effect were characterized under static conditions, and collected results revealed a high hydric capacity of this Date Palm Cement (DPC) mortar. In addition, the GAB model (Guggenheim-Anderson-de Boer) was successfully applied to describe the experimental sorption isotherm curve. In a second step, the moisture buffer value and the effect of temperature on successive adsorption/desorption cycles were assessed under dynamical conditions. It was found that the sorption process is highly affected by temperature. Finally, this bio-based mortar was classified as hygroscopic and breathable material with excellent moisture buffering capacity.
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https://hal.archives-ouvertes.fr/hal-03088983
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Submitted on : Sunday, December 27, 2020 - 5:05:05 PM
Last modification on : Wednesday, November 3, 2021 - 9:28:02 AM
Long-term archiving on: : Monday, March 29, 2021 - 6:38:30 PM

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Nawal Chennouf, Boudjemma Agoudjil, Abderrahim Boudenne, Karim Benzarti, Fathi Bouras. Hygrothermal characterization of a new bio-based construction material: Concrete reinforced with date palm fibers. Construction and Building Materials, Elsevier, 2018, 192, pp.348-356. ⟨10.1016/j.conbuildmat.2018.10.089⟩. ⟨hal-03088983⟩

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