Élaboration et caractérisation de matériaux issus de ressources locales recyclées ou biosourcées

Abstract : Due to strong global population growth, and particularly African, the population’s needs in terms of building have to be anticipated. The aim is to develop alternative materials with adequate multiphysical performances and low impact on the environment. This work investigates the elaboration and characterization of composites to be used as constructive partition products (partitions, false ceilings). The selection of raw materials takes into account sustainable development criteria, considering both the local availability of materials and their footprint in terms of resource depletion (recycled or bio-sourced materials).The binders used are plaster, potato starch and cassava starch. The loads are wood fiber, cellulose wadding and paper granules, for an original valorisation in building material. The performances of the developed composites are evaluated from a mechanical, hygric, thermal and fire resistance point of view. This work has shown the feasibility and the interest of such composites. These can in particular be used for their quality of hygric regulator and thermal corrector.
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Lydie Marcelle Thieblesson. Élaboration et caractérisation de matériaux issus de ressources locales recyclées ou biosourcées. Matériaux. Université Rennes 1; Université Félix Houphouët Boigny (Abidjan, Côte d'Ivoire), 2018. Français. ⟨NNT : 2018REN1S133⟩. ⟨tel-02309637⟩

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