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This research investigates how different types of slabs affect the ability of reinforced concrete buildings to withstand progressive collapse.

Effect of Slab Type on Progressive Collapse of Reinforced Concrete Buildings: A Case Study

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Case study demonstrates that slab type influences collapse resistance in reinforced concrete buildings, suggesting design improvements.

This research investigates how different types of slabs affect the ability of reinforced concrete buildings to withstand progressive collapse.
Conducted a three-dimensional nonlinear dynamic analysis using the applied element method.
Selected a six-story reinforced concrete building as a case study, designed according to ACI 318 provisions.
Analyzed 18 scenarios with varying slab systems and column removal levels.
One-way ribbed slabs minimized vertical displacements to 77.8 mm and plastic rotations to 0.01 rad, outperforming solid slabs.
Solid slabs produced higher displacements of 107.71 mm and rotations of 0.0126 rad under similar conditions.
Ribbed slabs maintained stability during roof-level failures, while solid slabs failed to meet safety thresholds.

Jadallah et al. (2026) studied this question.

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