Effect of Cement Type on Autogenous Deformation of Cement-Based Materials

Lura Pietro, Guang Ye, Klaas van Breugel

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

In this paper, measurements of non-evaporable water content, chemical shrinkage, autogenous deformation, internal relative humidity (RH), pore solution composition, and early-age elastic modulus are presented and discussed. All experiments were performed on Portland cement and blast-furnace slag (BFS) cement pastes. Self-desiccation shrinkage of the BFS cement paste was modeled based on the RH measurements, following the capillary-tension approach. The main findings of this study are: 1) self-desiccation shrinkage can be related to self-desiccation both for Portland and for BFS cement pastes, taking into account the influence of the dissolved salts in the pore solution, 2) the BFS cement paste studied shows pronounced self-desiccation and self-desiccation shrinkage, mainly caused by its very fine pore structure.
Original languageEnglish
Title of host publicationAutogenous Deformation of Concrete, ACI SP-220
Number of pages202
Place of PublicationFarmington Hills, Michigan
PublisherAmerican Concrete Institute
Publication date2004
Edition1
Pages57-68
ISBN (Print)0-87031-143-3
Publication statusPublished - 2004

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