Ion transport and crystallization in porous materials as studied by magnetic resonance imaging

L. Pel, H.P. Huinink, K. Kopinga

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1 Citation (Scopus)

Abstract

Salt weathering is one of the major causes of deterioration of buildings and monuments. We have detd. the underlying moisture and ion transport within a representative building material by measuring the time evolution of NaCl satd. samples during one-sided drying with Magnetic Resonance Imaging. The obtained NaCl concn. profiles reflect the competition between advection to the surface and redistribution by diffusion. By representing the measured moisture and NaCl profiles in a so-called efflorescence pathway diagram (EPD) also information about the crystn. process is obtained. The pathways followed in the EPDs indicate that for historical objects in general crystn. at the surface cannot be avoided, when evapn. cannot be prevented.
Original languageEnglish
Title of host publicationIUTAM Symposium on Mechanics of Physicochemical and Electromechanical Interactions in Porous Media (Kerkrade, The Netherlands 18-23 May 2003)
EditorsJ.M. Huyghe, P.A.C. Raats, S.C. Cowin
Place of PublicationDordrecht
PublisherSpringer
Pages149-158
ISBN (Print)978-1-4020-3864-8
DOIs
Publication statusPublished - 2005
EventIUTAM Symposium on Mechanics of Physicochemical and Electromechanical Interactions in Porous Media , May 18-23, 2003, Kerkrade, The Netherlands - Kerkrade, Netherlands
Duration: 18 May 200323 May 2003

Publication series

NameSolid Mechanics and its Applications
Volume125
ISSN (Print)0925-0042

Conference

ConferenceIUTAM Symposium on Mechanics of Physicochemical and Electromechanical Interactions in Porous Media , May 18-23, 2003, Kerkrade, The Netherlands
CountryNetherlands
CityKerkrade
Period18/05/0323/05/03

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