Skip to Main content Skip to Navigation
Journal articles

Influence of temperature on sorption process in hemp concrete

Abstract : Hemp concrete is a bio-based material which is currently undergoing a growing development. Its hygrothermal behaviour highly depends on the evolution of the moisture content which has a significant influence on heat and moisture transfer. Hysteresis phenomenon and temperature effects on sorption process make difficult the prediction of the moisture content evolution. Hysteresis phenomenon determines the equilibrium moisture content during successive adsorption/desorption cycles. Temperature influences also the equilibrium moisture content: the warmer the temperature, the lower will be the equilibrium moisture content at the same relative humidity. These two phenomena are most often neglected for modelling the moisture content evolution in heat and moisture transfer models. This can cause significant discrepancies to predict the hygrothermal response of a material subjected to climatic variations. This paper intents to contribute to the better knowledge of such sorption processes by providing new measurements and by analysing and comparing different theoretical approaches. Some adsorption and desorption main and intermediate scanning curves are measured at two different temperatures. Models taking into account these phenomena are presented. The comparison between experimental and numerical results shows that the theoretical approaches investigated are promising
Complete list of metadatas

Cited literature [45 references]  Display  Hide  Download
Contributor : Laurent Jonchère <>
Submitted on : Wednesday, January 27, 2016 - 9:57:48 AM
Last modification on : Tuesday, January 12, 2021 - 4:48:46 PM
Long-term archiving on: : Thursday, April 28, 2016 - 11:15:13 AM


Influence of temperature on so...
Files produced by the author(s)



Yacine Aït Oumeziane, Sophie Moissette, Marjorie Bart, Christophe Lanos. Influence of temperature on sorption process in hemp concrete. Construction and Building Materials, Elsevier, 2016, 106, pp.600-607. ⟨10.1016/j.conbuildmat.2015.12.117⟩. ⟨hal-01259417⟩



Record views


Files downloads