DEVELOPMENNT OF A COMPOSITE SLAB BREAK-ELEMENT FOR THE ANALYSIS OF COMPOSITE FRAMES IN FIRE
DOI:
https://doi.org/10.14311/asfe.2015.042Abstract
This research is intended to predict the inevitable through-depth crack development in a composite slab, across its area and in particular around its edges at large deflection. Based on previous work, a theoretical model has been proposed to simulate the local behaviour of slab beyond initial cracking. The model has been successfully implemented in the software VULCAN as a new line element. Comparisons between the existing theoretical model and FE modelling have shown that the proposed element provides a sufficient level of accuracy beyond initial cracking. However, further improvement is needed to enable a precise investigation of the local and global behaviour of composite slab systems, and the influence of through-depth cracking on the slab’s performance.Downloads
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