Transient moisture profiles in cover-zone concrete during water absorption

William John McCarter, Gasim Ayad Alaswad, Benny Suryanto

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)
60 Downloads (Pure)


A number of sophisticated techniques, such as NMR imaging and -ray attenuation, have now been used to study moisture transport in porous construction materials. This paper presents initial developments in the application of discretized, electrical conductivity measurements as a relatively simple technique to monitor water movement within cover-zone concrete. Using a 3-phase model and the Archie relationship for porous rock formations, conductivity measurements are used to evaluate moisture-content profiles during water ingress and, through the use of Boltzmann's transformation, it is shown that these profiles collapse onto a master-curve. Having obtained the master-curve during absorption, the capillary transport coefficient (D) can then be obtained; however, the current work focuses on presenting the methodology as an alternative testing technique.
Original languageEnglish
Pages (from-to)167–171
JournalCement and Concrete Research
Early online date7 Apr 2018
Publication statusPublished - Jun 2018


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