Moisture transport properties of lime-hemp concrete determined over the complete moisture range

Abstract

To determine the durability of a lime hemp concrete (LHC) wall and its resistance to driving rain, moisture conditions inside the wall have to be modelled. As model input, moisture transport properties were determined. Two LHC mixes were studied. Cup tests provided moisture diffusivity results at relative humidity (RH) values up to 95%. Capillary water uptake tests provided results for the interval 95-100% RH by means of curve fitting and the simulation tool JAM-KAP. A mix containing more lime showed higher moisture diffusivity at relative humidity >95%. (c) 2014 IAgrE. Published by Elsevier Ltd. All rights reserved.

Keywords

Lime-hemp concrete; Moisture transport; Moisture diffusion; Sorption isotherm; Capillary water uptake; Hemp shiv

Published in

Biosystems Engineering
2014, volume: 122, pages: 31-41
Publisher: ACADEMIC PRESS INC ELSEVIER SCIENCE

SLU Authors

• De Bruijn, Paulien

  • Department of Rural Buildings and Animal Husbandry [LBT], Swedish University of Agricultural Sciences
    
  • Lund University

UKÄ Subject classification

Agricultural Science

Publication identifier

• DOI: https://doi.org/10.1016/j.biosystemseng.2014.03.001

Permanent link to this page (URI)

https://res.slu.se/id/publ/67693