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Segregation of Coarse Aggregates in Self-Compacting Concrete

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Design, Production and Placement of Self-Consolidating Concrete

Part of the book series: RILEM Bookseries ((RILEM,volume 1))

Abstract

A major requirement on self-compacting concrete (SCC) is the resistance to any kind of separation. In the presented studies the segregation behavior of aggregates was analyzed systematically. The rheology of selfcompacting mortars was dealt with at first. Following, the segregation of particles of different size, shape and density in various mortars was examined. The aim was to find an analytical relation to estimate the risk of sedimentation, using the characteristics of the particles and those of the mortars. The classification of the aggregates according to their potential segregation is rather simple. But the description of the segregation resistance of the mortar is much more difficult. It is not possible to evaluate a mortar solely based on the rheological properties. The mixture composition must always be considered as well. Tests on concrete samples were conducted additionally to determine the influence of the overall system of SCC on the sedimentation of the aggregates.

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Author information

Authors and Affiliations

  1. BAM Federal Institute for Materials Research and Testing, Berlin, Germany

    Peter Ramge & Hans-Carsten Kühne

  2. Institut für Massivbau, Technische Universität Darmstadt, Darmstadt, Germany

    Tilo Proske

Authors
  1. Peter Ramge
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  2. Tilo Proske
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  3. Hans-Carsten Kühne
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Editor information

Editors and Affiliations

  1. boul De L'Universite 2500, SHERBROOKE, J1K 2R1, Canada

    Kamal Henri Khayat

  2. , Dept of Civil Engineering, University of Sherbrooke, Blvd de l'Université 2500, Sherbrooke, J1K 2R1, Canada

    Dimitri Feys

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© 2010 RILEM

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Ramge, P., Proske, T., Kühne, HC. (2010). Segregation of Coarse Aggregates in Self-Compacting Concrete. In: Khayat, K., Feys, D. (eds) Design, Production and Placement of Self-Consolidating Concrete. RILEM Bookseries, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-9664-7_10

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  • DOI: https://doi.org/10.1007/978-90-481-9664-7_10

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-9663-0

  • Online ISBN: 978-90-481-9664-7

  • eBook Packages: EngineeringEngineering (R0)

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