A shear lag analysis for composite box girders

Kř́ıstek, Vladiḿır; Evans, H.R.; Ahmad, M.K.M.

doi:10.1016/0143-974x(90)90002-x

Cited by 39 publications

(21 citation statements)

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“…And then, the shear lag effect of the composite box girders was analyzed by Kristek et al [9]. According to the deformation compatibility conditions and the equilibrium conditions of composite wings, Cheng et al [10] set up a stress differential equation of steel-concrete composite beam, and analyze the normal stress in crosssection of steel plate and concrete slab under simply supported.…”

Section: Introductionmentioning

confidence: 99%

Theoretical and Experimental Investigations on Shear Lag Effect of Double-Box Composite Beam with Wide Flange under Symmetrical Loading

Huang

et al. 2015

J. mech.

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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.

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Section: Introductionmentioning

confidence: 99%

Theoretical and Experimental Investigations on Shear Lag Effect of Double-Box Composite Beam with Wide Flange under Symmetrical Loading

Huang

et al. 2015

J. mech.

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“…A number of researchers have utilised one approximating analytical technique, the orthotropic plate method, for a number of applications (Hosseini-Toudeshky, Ovesy, & Kharazi 2005;Krisek, Evan, & Ahmad 1990;Mikami & Niwa 1996;Mikami & Yonezawa 1983). OPM converts the stiffened plate into an equivalent plate with constant thickness by smearing out the stiffeners but is limited in accuracy by the spacing and number of stiffeners considered (Bedair 1997).…”

Section: Introductionmentioning

confidence: 99%

The application of reliability methods in the design of stiffened FRP composite panels for marine vessels

Blake

Shenoi

Das³

et al. 2009

Ships and Offshore Structures

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“…The same method is used to calculate shear lag effect of composite box girders in reference [6]. It is also applied to calculate shear lag effect of the composite Tgirder.…”

Section: Introductionmentioning

confidence: 99%

“…put forward some practical theories of computation and computational methods, such as variational methods [3,4], finite strip method [5,6] and finite element method [6][7][8]. Lawrence F K, Adam S, Khaled M. Sennah et al researched shear resistance of the surface of the steel-concrete composite beams with cantilever flange [9,10].…”

Section: Introductionmentioning

confidence: 99%

Analytic Solutions of Shear Lag on Steel-Concrete Composite T‐girder under Simple Bending

Haigen¹,

Jiang²

2015

TOCIEJ

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Abstract:The composite T-girders include concrete flange plates and steel beams, which are connected by shear connectors. The longitudinal stress about concrete plate is due to non-uniform distribution on cross section because of the shear lag effect. A differential equation of longitudinal forces at transverse section flange and cantilever flange is separately established according to the strain compatibility and the force equilibrium conditions about a composite Tgirder. The method of separation of variables is used to solve the differential equation about the simply supported composite T-girder. The shear lag coefficient is detrmined by the ratio between stress calculated by this method and stress odetrmined by elementary beam theory. An example of such calculation is given to approve its applicability.

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A shear lag analysis for composite box girders

Cited by 39 publications

References 1 publication

Theoretical and Experimental Investigations on Shear Lag Effect of Double-Box Composite Beam with Wide Flange under Symmetrical Loading

Theoretical and Experimental Investigations on Shear Lag Effect of Double-Box Composite Beam with Wide Flange under Symmetrical Loading

The application of reliability methods in the design of stiffened FRP composite panels for marine vessels

Analytic Solutions of Shear Lag on Steel-Concrete Composite T‐girder under Simple Bending

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