Measurement of water transport from saturated pumice aggregates to hardening cement paste

Pietro Lura, Dale Bentz, David A. Lange, Konstantin Kovler, A. Bentur, K. van Breugle

Research output: Contribution to journalConference articleResearchpeer-review

Abstract

In internal water curing of High Performance Concrete, it is fundamental to know how and when the water contained in the internal curing agent is released into the hydrating cement paste. In this study, X-ray absorption measurements showed that considerable transport of water from saturated pumice stone to hydrating cement paste with water/cement ratio 0.3 took place in the first days after casting and covered a distance of at least 4 mm. As a consequence, the total amount of water released by the lightweight aggregates, rather than the spatial distribution of the aggregates, is in this case the crucial factor to avoid self-desiccation shrinkage at early-age.
Original languageEnglish
JournalMaterials and Structures
Volume39
Issue number9
Pages (from-to)861-868
ISSN1359-5997
DOIs
Publication statusPublished - 2006
EventConference on Advances in Cement and Concrete - Cooper Mountain, CO, United States
Duration: 10 Aug 200314 Aug 2003

Conference

ConferenceConference on Advances in Cement and Concrete
CountryUnited States
City Cooper Mountain, CO
Period10/08/200314/08/2003

Keywords

  • high-performance concrete
  • shrinkage
  • curing
  • autogenous strain

Cite this

Lura, P., Bentz, D., Lange, D. A., Kovler, K., Bentur, A., & van Breugle, K. (2006). Measurement of water transport from saturated pumice aggregates to hardening cement paste. Materials and Structures, 39(9), 861-868. https://doi.org/10.1617/s11527-006-9137-5