Volume change behavior of cement-based repair materials labelled as shrinkage-compensating, shrinkage-compensated or nonshrink - Archive ouverte HAL Access content directly
Conference Papers Year : 2022

Volume change behavior of cement-based repair materials labelled as shrinkage-compensating, shrinkage-compensated or nonshrink

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Abstract

The labels shrinkage-compensating, shrinkage-compensated and nonshrink found in the technical documentation of many proprietary repair materials are all intended in principle to describe systems that exhibit no or little net contraction as a result of shrinkage. In practice, however, these terms are of limited significance in the selection of repair materials without appropriate test data on time-dependent volume changes. This paper provides clarifications on the dimensional behavior of shrinkage-compensating materials and uses experimental findings to emphasize the shortcomings in the information provided in the data sheets of many repair materials labelled as such. In view of a more effective and reliable use of cementitious shrinkage-compensating repair materials, recommendations are made to improve and uniformize the content of the technical data sheets.
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Dates and versions

hal-03819646 , version 1 (18-10-2022)

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Benoit Bissonnette, Laurent Molez, Pierre-Vincent Certain, Charles Lamothe, Marc Jolin, et al.. Volume change behavior of cement-based repair materials labelled as shrinkage-compensating, shrinkage-compensated or nonshrink. International Conference on Concrete Repair, Rehabilitation and Retrofitting (ICCRRR 2022), Oct 2022, Cape Town, France. ⟨10.1051/matecconf/202236404015⟩. ⟨hal-03819646⟩
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