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RPC mix optimization by determination of the minimum water requirement of binary and polydisperse mixtures
Laboratory of Building Materials Technology, Faculty of Engineering and Architecture, Helsinki University of Technology, Espoo.ORCID iD: 0000-0001-6287-2240
Department of Civil and Structural Engineering, Aalto University, Department of Structural Engineering, Laboratory of Building Materials Technology, Laboratory of Building Materials.
Aalto University.
2005 (English)In: ISISS 2005: Innovation & Sustainability of Structures / [ed] Z. Lu; A. Li; Z. Wu; S. Meng, 2005, Vol. 1-3, p. 2191-2201Conference paper, Published paper (Refereed)
Abstract [en]

Reactive powder concrete (RPC) is an ultra high performance material which development was strongly associated with the maximization of the packing density. This paper presents an alternative approach for the optimization of the mix design of RPC by using the determination of the water demand of binary, ternary and polydisperse mixes. Measurements of the water demand of quartz/sand and quartz/sand/cement/silica fume mixes were performed. The control mixes-having water to binder ratio of 0.187, 25% of silica fume and 5% of superplasticizer measured from cement content-were produced for the assessment of fresh concrete properties and compressive strength. The concretes were heat-treated at 90 degrees C. The results showed that maximum compressive strength was obtained in concretes having binary quartz/sand mixes characterized by the highest packing density. The best rheorogical properties were obtained in mixes, which had the highest packing density when measured on polydisperse mixes containing all RPC components.

Place, publisher, year, edition, pages
2005. Vol. 1-3, p. 2191-2201
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-27426Local ID: 0dd76c59-6b37-4391-8d76-12015d8bba15ISBN: 7-5641-0188-1 (print)OAI: oai:DiVA.org:ltu-27426DiVA, id: diva2:1000610
Conference
International Symposium on Innovation and Sustainability of Structures in Civil Engineering-Including Seismic Engineering : 20/11/2005 - 22/11/2005
Note
Upprättat; 2005; 20160425 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Cwirzen, Andrzej

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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