An improved closed-form solution to interfacial stresses in rc beams strengthened with a composite plate

Krour, Baghdad; Tounsi, Abdelouahed; Benyoucef, Samir; Bedia, E.A. Adda

doi:10.1007/s11029-010-9150-1

Cited by 4 publications

(3 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…x u (18) Differentiating two times equation 14with respect to x and using equations (6) and 7, on one hand, and 17and 18, on the other hand, it can be obtained:…”

Section: Governing Differential Equations Of Interfacial Stressesmentioning

confidence: 99%

“…Thus, by means of a local debonding model involving the use of normal and shear springs, the appearance of interface debonding in such structures is discussed, and its influence on the overall behavior of the glass element is analyzed. Reinforced Concrete beams (among others: [13][14][15][16][17][18]), but some of them can be easily adapted to laminated glass structures.…”

Section: Introductionmentioning

confidence: 99%

“…However, all the studies mentioned are based on the assumption that both adherends have the same curvature. Krour et al [18] have developped an improved theory which releases the improper restriction of the equal curvatures of adherends.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of the lamination on the redundancy of a horizontally layered glass element and analysis of the debonding of the adhesive interlayer

Krour

Bernard

Benyoucef

et al. 2016

International Journal of Adhesion and Adhesives

View full text Add to dashboard Cite

International audienceIt is now recognized that lamination enables to increase the redundancy of glass elements. This paper aims to quantify the possibilities of delamination between panes as well as the increase of redundancy for a horizontally layered glass element thanks to an analytical approach combined with a numerical modeling. From an analytical point of view, new procedures have been defined, taking into account the shear-lag effect as well as the mean curvature of the various adherents. The equilibrium of an infinitesimal element of the laminated structure has enabled to evaluate the interfacial stresses responsible for debonding phenomena. Based on this first approach and on the values of the interfacial stresses, a FE numerical simulation has been calibrated. This calibration is extended in two ways. First, the nonlinear behavior of the material is considered. A smeared crack approach is used to take into account the glass mechanical behavior. Then, a local debonding model involving the use of normal and shear springs is proposed at the interface between two glass panes. The mechanical behaviors of the springs are calibrated by simulating existing tension adhesion tests. Finally, by considering various structural cases, this work concludes that the debonding of the interface is a possibility and discusses its influence on the redundancy of the considered laminated structure

show abstract

“…x u (18) Differentiating two times equation 14with respect to x and using equations (6) and 7, on one hand, and 17and 18, on the other hand, it can be obtained:…”

Section: Governing Differential Equations Of Interfacial Stressesmentioning

confidence: 99%