Paper Title:
Performance of Blended Cement Concrete against Seawater Attack
  Abstract

The current work reports the influence of synthetic seawater on some of the durability aspects of an ordinary concrete mixture (control) and six pozzolan-concrete mixtures. Three types of pozzolanic materials were employed; silica fume (SF), ground granulated blast furnace slag (GGBS) and metakaolin (MK). The pozzolanic materials were employed as an addition to cement in binary and ternary combinations. All mixtures were tested for strength deterioration ratio (SDR) after 3, 6, and 12 months of exposure to synthetic seawater, permeability was measured after 6 and 12 months of exposure. It was found through this investigation that pozzolans increase the ability of concrete to withstand aggressive environment and prevent most of the deterioration signs. The pozzolanic materials serve also to increase the strength and to minimize the strength loss (SDR) upon exposure to seawater. The pozzolanic materials led to reduce concrete permeability compared to control.

  Info
Periodical
Edited by
Pietro VINCENZINI, Mark HADFIELD and Alberto PASSERONE
Pages
19-24
DOI
10.4028/www.scientific.net/AST.64.19
Citation
H.H. Seleem, A.M. Rashad, B.A. El-Sabbagh, "Performance of Blended Cement Concrete against Seawater Attack", Advances in Science and Technology, Vol. 64, pp. 19-24, 2010
Online since
October 2010
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Price
$32.00
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