Ibrahim Shaaban, Messaoud Saidani, Muhd Fadhil Nuruddin, Ahmad B. Malkawi, Tarek S. Mustafa

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Serviceability behavior of Normal Strength Concrete (NSC) and High Strength Concrete (HSC) T-beams was experimentally evaluated. The crack pattern was observed, the effect of flange dimensions (breadth and thickness) on the crack pattern and load-deflection response was evaluated experimentally for 10 beams comprising the two studied groups, NSC and HSC T-beams. The short-term deflections were measured experimentally and predicted empirically under mid-span concentrated loading. It was found that increasing the flange width and thickness resulted in higher loads and lower deflections under service loads to a different extent. Prior to failure, the increment in the maximum loads was up to 22% while the deflection reduced by 31% for NSC and 23% for HSC beams. The available equations for determining the effective moment of inertia (Ie) were reviewed and used in predicting the Ie of the cracked beam. The results were compared with the experimental values (Iexp). The Ie showed a noticeable difference, especially for the HSC T-beams. New equations were proposed in which the tensile reinforcement ratio was considered. Compared with the other available equations, the proposed equations demonstrated a better agreement and repeatability of predicting experimental results studied herein. In addition, the proposed equations were used to predict the Ie for experimentally tested T-beams available in the
literature. The proposed models showed a high degree of accuracy
Original languageEnglish
Pages (from-to)99-110
Number of pages12
JournalEuropean Journal of Materials Science and Engineering
Issue number4
Publication statusPublished - Dec 2017


  • T-beams
  • high strength concrete
  • normal strength concrete
  • short term deflection
  • crack pattern
  • load-deflection
  • effective moment of inertia.

ASJC Scopus subject areas

  • Engineering(all)


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