Modelling of the transition zone porosity

The ion diffusion process in mortar is different from the one which occurs in cement paste. This difference is due to the presence of transition zones, which take place around the grains in mortar and which are very porous regions. Based on mercury intrusion porosimetry experimental data and on the...

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Bibliographic Details
Published inCement and concrete research Vol. 25; no. 4; pp. 741 - 751
Main Authors Bourdette, B., Ringot, E., Ollivier, J.P.
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Ltd 01.05.1995
Elsevier Science
Subjects
Applied sciences
Buildings. Public works
Concretes. Mortars. Grouts
Exact sciences and technology
Materials
Properties and performance tests of mortar and hardened concrete
Mercury porosimetry
Water cement ratio
Mortar
Cement paste
Performance
Transition zone
Modeling
Aggregate(materials)
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Summary:The ion diffusion process in mortar is different from the one which occurs in cement paste. This difference is due to the presence of transition zones, which take place around the grains in mortar and which are very porous regions. Based on mercury intrusion porosimetry experimental data and on the analysis of percolation through a 3D mortar model, a computation of the transition zone porosity and of the bulk paste porosity has been carried out. The porosity of the transition zone has been analyzed as a function of the mortar composition and of the degree of hydration.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0008-8846
1873-3948
DOI:10.1016/0008-8846(95)00064-J