Abstract
A numerical analysis using the non-linear Layered Finite Element Method (LFEM) is undertaken to predict the effect of openings on punching shear failure behaviour of slab-column connections with shear stud reinforcement (SSR). In all, twenty one (21) models are examined through six parametric studies including varying the opening size and location and varying the column aspect ratio. The numerical results covering the load-deflection response, ultimate shear strength, deformation and crack pattern are evaluated in some detail. Where applicable the predicted ultimate shear strengths are compared to the experimental results. Also included in the comparison are the empirical predictions recommended by the Standards Association of Australia and the American Concrete Institute. This investigation is an important step towards the determination of the size and location of opening and the size of column for optimum structural performance of flat plate systems.
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