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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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Jensen, Ole Mejlhede
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2020Air void analysis of hardened concrete without colour enhancementcitations
- 2020Variation in phase quantification of white portland cement by XRD
- 2016Proceedings of the International RILEM Conference Materials, Systems and Structures in Civil Engineering 2016
- 2016Can superabsorbent polymers mitigate shrinkage in cementitious materials blended with supplementary cementitious materials?
- 2016Can superabsorbent polymers mitigate shrinkage in cementitious materials blended with supplementary cementitious materials?
- 2015The influence of superabsorbent polymers on the autogenous shrinkage properties of cement pastes with supplementary cementitious materialscitations
- 2015The influence of superabsorbent polymers on the autogenous shrinkage properties of cement pastes with supplementary cementitious materialscitations
- 2015Superabsorbent Polymers as a Means of Improving Frost Resistance of Concretecitations
- 2013Thermal analysis of cement pastes with superabsorbent polymers
- 2013Use of Superabsorbent Polymers in Concrete
- 2012The Pozzolanic reaction of silica fumecitations
- 2009Synthesis of pure Portland cement phasescitations
- 2007Standard Test Method for Autogenous Strain of Cement Paste and Mortar
- 2005Micro-crack detection in high-performance cementitious materials
- 2004Mitigation strategies for autogenous shrinkage cracking
- 2003Autogenous shrinkage in high-performance cement paste: An evaluation of basic mechanisms
- 2003A thermal comparator sensor for measuring autogenous deformation in hardening Portland cement paste
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document
The Pozzolanic reaction of silica fume
Abstract
Silica fume is a very important supplementary cementitious binder in High-Performance and Ultra High-Performance Concretes. Through its pozzolanic reaction the silica fume densifies the concrete micro-structure, in particular it strengthens the paste-aggregate interfacial transition zone. In the present paper different aspects of the pozzolanic reaction of silica fume are investigated. These include chemical shrinkage, isothermal heat development and strength development. Key data for these are given and compared with theoretical calculations, and based on presented measurements the energy of activation of the pozzolanic reaction of silica fume is estimated. The results show that the pozzolanic reaction of silica fume has notable differences from Portland cement hydration.