Journal
JOURNAL OF BUILDING PHYSICS
Volume 42, Issue 3, Pages 316-335Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1744259118759677
Keywords
Bio-based composite; Typha-clay; porosity; thermal conductivity; sorption isotherm; moisture buffering value; permeability
Categories
Funding
- PNEEB/TYPHA project (Dakar, Senegal)
- AARMBN (Architectural and Research Agency Mbacke Niang, Dakar, Senegal)
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This article deals with the influence of both morphology and amount of Typha on hygrothermal behavior of a Typha-clay composite for building application. An agromaterial containing the fiber mix of Typha Australis and clay was made in three samples: three fiber mixtures were prepared with different amounts Typha and cut type (transversal or longitudinal). The physical properties of these materials were studied in terms of porosity, apparent and absolute density, thermal conductivity, and hygric properties. Results show a real impact of the Typha fraction type and its volume content on hygrothermal properties of the studied material due to the porosity. The transversal fraction of Typha (80% in volume weight) seems to be the optimal composition for a better hygrothermal behavior.
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