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    Tong, Teng Yu, Qiang and Su, Qingtian 2018. Coupled Effects of Concrete Shrinkage, Creep, and Cracking on the Performance of Postconnected Prestressed Steel-Concrete Composite Girders. Journal of Bridge Engineering, Vol. 23, Issue. 3, p. 04017145.
    Yu, J. Hu, S. W. Xu, Y. C. and Fan, B. 2017. Coupled Mechanism on Interfacial Slip and Shear Lag for Twin-Cell Composite Box Beam Under Even Load. Journal of Mechanics, p. 1.
    Yu, J. Hu, S. W. Zhang, Z. G. and Wei, C. J. 2017. Shear Lag and Related Parameter Impact Researches for Twin-Cell Composite Box Beam Under Concentrated Loads. Journal of Mechanics, Vol. 33, Issue. 04, p. 443.
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Theoretical and Experimental Investigations on Shear Lag Effect of Double-Box Composite Beam with Wide Flange under Symmetrical Loading

  • S.-W. Hu (a1), J. Yu (a1) (a2), Y.-Q. Huang (a3) and S.-Y. Xiao (a1) (a4)
Abstract

A new type of steel-concrete composite beam with double-box cross-section is proposed in this paper. In order to investigate stress behaviors and deflection characteristics of such composite beam with wide flange considering the shear lag effect, theoretical analysis and experimental study are launched simultaneously. Based on the minimum potential energy principle, governing differential equations in view of the shear lag effect are deduced by energy variational method, and analytical solutions of it's stress and deflection under the effect of symmetrical loading are calculated. The preceding analyses show that relative error is less than 14.71%, with a good agreement, and farther show that this method of theoretical derivation, which is used for analyzing shear lag effect of composite beam with wide flange, has certain reference and guidance.

Copyright
COPYRIGHT: © The Society of Theoretical and Applied Mechanics, R.O.C. 2015 
Corresponding author
*Corresponding author (yzyzyz322@126.com)
References
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Journal of Mechanics
  • ISSN: 1727-7191
  • EISSN: 1811-8216
  • URL: /core/journals/journal-of-mechanics
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