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Modelling Rheological Behavior of Fresh Cement-Sand Mixtures

[+] Author Affiliations
Hooman Hoornahad, Eduard A. B. Koenders

Delft University of Technology, Delft, The Netherlands

Paper No. OMAE2014-24631, pp. V005T11A029; 6 pages
doi:10.1115/OMAE2014-24631
From:
  • ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5: Materials Technology; Petroleum Technology
  • San Francisco, California, USA, June 8–13, 2014
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4545-5
  • Copyright © 2014 by ASME

abstract

In this paper, the effect of the mix composition on rheological behavior of fresh cement-sand mixture is studied by considering a mixture as a two-phase model that is decomposed into a granular and a paste phase. The paste itself is subdivided into void paste and excess paste. Void paste fills the void space between the grains when they are in a fully compacted state while excess paste will use the remaining paste to form a paste layer around each individual grain particle, with equal thickness. By considering each grain particle covered with the excess paste layer as a single element, the rheological behavior of cement-sand mixtures can be related to their inter-element interactions for all sets of particle combinations.

Copyright © 2014 by ASME

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