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Journal of Mechanical Science and Technology

, Volume 31, Issue 8, pp 3887–3895 | Cite as

Improved predictive model to the cross-sectional resistance of CFT

  • Iman Mansouri
  • Rolando Chacón
  • Jong Wan Hu
Article
  • 52 Downloads

Abstract

This paper proposes an improved theoretical prediction equation for Concrete-filled steel tubes (CFT) subjected to compressive forces. This ultimate load capacity is inferred from a database of 344 experimental results reported in the literature by using Gene expression programming (GEP). Moreover, a series of structural comparisons between design provisions, other mechanically-derived expressions and the proposed prediction are addressed. The levels of accuracy, practical use and phenomenological understanding of the phenomenon are pinpointed. The results obtained are in good agreement with both the experimental and theoretical predictions. Advantages and disadvantages of such type of predictions are pinpointed.

Keywords

Concrete-filled tubes CFT Gene expression programming GEP 

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Copyright information

© The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Department of Civil EngineeringBirjand University of TechnologyBirjandIran
  2. 2.Department of Civil and Environmental Engineering, School of Civil EngineeringTechnical University of CataloniaBarcelonaSpain
  3. 3.Department of Civil and Environmental EngineeringIncheon National UniversityIncheonKorea
  4. 4.Incheon Disaster Prevention Research CenterIncheon National UniversityYeonsu-gu, IncheonKorea

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