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  • Deformation capacity, stiffness and bearing strength at bolt holes
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    The paper focuses on the available test results of single bolt connections with plate in bolt bearing. The bearing resistance formula in the ultimate limit state that allows much higher bearing ... stress than traditional provisions is given and confirmed by the presented tests. The available bearing deformation capacity at bolt holes is given for mild as well as for high strength steel. Attention is paid also to the nominally elastic stiffness. Bearing stress in the material is developed due to the contact pressure. Initially, the contact area is very small, causing stress concentrations and yielding of the material at very low loads. Yielding allows embedment of the bolt on a larger contact area. Such behavior is interpreted as nominally elastic behavior, as stress concentrations are eliminated by the yielding of material occurring at early load stage. The paper includes simple design formulas to estimate the available bearing deformation capacity, bearing stiffness and bearing strength at bolt holes.
    Type of material - conference contribution
    Publish date - 2016
    Language - english
    COBISS.SI-ID - 8145249