Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Civil Engineering

The research proposed herein seeks to fill in the gaps in existing knowledge for the dynamic disproportionate collapse potential of the flat slab buildings by providing analytical and experimental modeling approaches. To achieve this objective, a three dimensional {u00BC} scale flat slab model building was constructed for progressive collapse testing. The flat-slab model was tested by subjecting it to progressive loss of supporting columns. As each column was removed, the reinforcement strains, displacements and accelerations were captured to be analyzed and compared with the analytical results extracted from analysis computer program which based on the Applied Element Method. Then, a computational study for the effects of the design parameters considered in assessing the progressive collapse potential of the flat slab structures was conducted. The analytical results showed that, flat slab structure systems have greater vulnerability to progressive collapse compared to beam-column-slab structures

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