Abstract
This chapter presents results from studies on the fatigue life modeling of adhesively-bonded double-lap joints (DLJs) composed of pultruded glass fiber-reinforced polymer (GFRP) profiles and on the fatigue behavior of full-scale adhesively-bonded pultruded GFRP bridge deck to steel girder connections. It was found that the fatigue life of the examined DLJs can be adequately modeled either based on stiffness degradation or by means of fracture mechanics. The deck to steel girder connections showed no sensitivity to fatigue loading in the longitudinal bridge direction. The effects of uplift fatigue loading on the ultimate load in the transversal bridge direction, however, were not negligible.
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