Paper Title:
Investigation on Toughness of Fibre Cocktail Reinforced Self Consolidating Concrete after High Temperature
  Abstract

The effect of different fibres on the residual load-bearing capacity and the failure pattern of high-performance self consolidating concrete (HPSCC) after exposure to high temperature hass been studied in this work. The polypropylene fibers mitigate the spalling of HPSCC element clearly, but did not show clear effect on the mechanic properties of concrete. The macro steel fiber reinforced HPSCC showed higher flexural toughness and ultimate load before and after high temperatures. The mechanical properties of hybrid fibre reinforced HPSCC (HFHPSCC) after heating were better than that of mono-fibre reinforced HPSCC. The failure mode changed from pull-out of steel fibers at lower temperature to broken down of steel fibers at higher temperature. The use of hybrid fibre can be effective in providing the residual strength and failure pattern, and improving the toughness of HPSCC after high temperature.

  Info
Periodical
Edited by
Yafang Han, Tianmin Wang and Shaoxiong Zhou
Pages
67-77
DOI
10.4028/www.scientific.net/MSF.650.67
Citation
Y. N. Ding, Y. H. Wang, Y. L. Zhang, "Investigation on Toughness of Fibre Cocktail Reinforced Self Consolidating Concrete after High Temperature", Materials Science Forum, Vol. 650, pp. 67-77, 2010
Online since
May 2010
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$32.00
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