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On the Compressive Strength Development of High-Performance Concrete and Paste – Effect of Silica Fume
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.
Icelandic Building Research Institute.
1999 (English)In: Materials and Structures, ISSN 1359-5997, E-ISSN 1871-6873, Vol. 32, no jan-feb, 63-69 p.Article in journal (Refereed) Published
Abstract [en]

The compressive strength development of sealed high-performance concrete and paste specimens, with and without silica fume, have been studied from 1 day and up to 4 years. The paste and concrete specimens were prepared in such a way that segregation was avoided and the silica fume became well dispersed. Under these conditions silica fume increased the strength of paste just as much as it increased the strength of concrete. It appears that the enhancing effect of silica fume on concrete strength is due to an improved strength of the paste phase as a whole, and not due to an improved bond strength between the paste phase and the aggregate particles, as has been suggested earlier. The concretes and the pastes with 10% silica fume appeared to loose strength over a period of time before the strength increased again.

Place, publisher, year, edition, pages
1999. Vol. 32, no jan-feb, 63-69 p.
National Category
Civil Engineering
URN: urn:nbn:se:kth:diva-59006OAI: diva2:474622
NR 20140805Available from: 2012-01-09 Created: 2012-01-09 Last updated: 2012-01-23Bibliographically approved

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