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Your search keyword '"Grillet, Anne-Cecile"' showing total 19 results
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19 results on '"Grillet, Anne-Cecile"'

5. Hygrothermal characterization of rammed earth according to humidity variations

Author

Losini Alessia Emauela, Chitimbo Taini, Létévé Laura, Woloszyn Monika, Grillet Anne-Cecile, and Prime Noemie

Subjects
Environmental sciences, GE1-350
Abstract

Rammed earth construction is built by compacting humid soil into formworks layer by layer, using clay fraction as only binder between the grains, without firing procedure. At this stage, the material is unsaturated, and capillary forces thus act to add cohesion between particles. Indeed, a peculiarity of this material is its high hygroscopic capacity, which allows water vapor to be absorbed and desorbed into the clay matrix. The variation of hydric state in the material leads to a variety of mechanical and thermal properties. Consequently, the complexity in studying this material is due to the strong dependence of many parameters on the moisture content and still few data are available in the literature on this subject for rammed earth materials. A soil used for an existing rammed earth building in Lyon is here characterized in order to determine its hygrothermal properties. Earth conductivity was firstly characterized in a reference dry state, then the influence of humidity variations was investigated. Sorption and desorption isotherms were determined to investigate the ability of the material to store and release humidity. Thermal conductivities were measured at different relative humidity, to put into evidence the influence of environmental conditions.

Published
2023
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16. Hygrothermal properties of bio-insulation building materials based on bamboo fibers and bio-glues

Author

Nguyen, Dang Mao, Grillet, Anne-Cecile, Diep, Thi My Hanh, Thuc, Chi Nhan Ha, and Woloszyn, Monika

Subjects
Thermal conductivity -- Analysis, Permeability -- Analysis, Building materials -- Mechanical properties -- Thermal properties -- Analysis, Business, Construction and materials industries
Abstract

GRAPHICAL ABSTRACT A model of lignin-protein-bamboo fibers network. ABSTRACT This study focuses on manufacturing by thermo-pressing new low-environmental- impact bio-insulation fiberboards from bamboo fibers and bone glue, modified with sodium [...]

Published
2017
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