Moisture transport in porous building materials

L. Pel, K. Kopinga, H.J.P. Brocken

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)
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Abstract

The isothermal moisture transport in various porous building materials during absorption and drying was studied by nuclear magnetic resonance (NMR). It is shown that the moisture diffusivity can be determined directly from measured transient moisture profiles. NMR appears to be an accurate and reliable method to determine these moisture profiles. For both water absorption and drying it is found that, within the experimental accuracy, a single unambiguous relation exists between the moisture diffusivity and the moisture content, which is dependent on the type of material. Preliminary absorption measurements on brick/mortar samples suggest that the hydraulic contact between mortar and brick may not be perfect.
Original languageEnglish
Pages (from-to)95-105
Number of pages11
JournalHeron
Volume41
Issue number2
Publication statusPublished - 1996

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