Influence of the nature of interfaces on the capillary transport in layered materials

Hannelore Derluyn, Hans Janssen, Jan Carmeliet

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Abstract

This paper presents an experimental and quantitative analysis of capillary transport across the interface brick–mortar joint in masonry. Moisture profiles are measured with X-ray projection. The influence of curing conditions is analyzed by considering three types of mortars: cured in a mould, between capillary wet and dry bricks. A decrease in moisture inflow for the mortars cured between bricks is measured. The pore structure and the moisture transport properties of mortar change significantly due to water extraction from the initially wet mortar to the bricks during curing. Numerical simulations reveal the existence of a hydraulic interface resistance between brick and wet/dry cured mortar.
Original languageEnglish
JournalConstruction and Building Materials
Volume25
Issue number9
Pages (from-to)3685-3693
ISSN0950-0618
DOIs
Publication statusPublished - 2011

Keywords

  • Interface resistance
  • Mortar
  • Masonry
  • Moisture transport
  • Curing
  • Hygric properties

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