All ETDs from UAB

Advisory Committee Chair

Nasim Uddin

Advisory Committee Members

Ashraf Al-Hamdan

Fouad H Fouad

Jason T Kirby

Talat Salama

Document Type


Date of Award


Degree Name by School

Doctor of Philosophy (PhD) School of Engineering


Traditional construction materials have numerous shortcomings such as poor durability, low penetration resistance against wind-borne debris and lower strength compared to composites. Accordingly, a new type of Composite Structural Insulated Panels (CSIPs) was developed and evaluated in this study to replace the conventional structural materials. CSIPs are prefabricated components that can be shipped to the site and assembled into the finished structure. These hybrid panels have the potential to be used as structural wall, floor, and roof elements. Analytical and finite element (FE) models were developed in this study to design and simulate the behavior of CSIPs. These models were validated using experimental results and found to be in good agreement. Furthermore, a parametric FE study was conducted to investigate the influence of key design parameters on the behavior of CSIPs. The study showed that span-to-depth ratio, core density and boundary conditions have a significant effect on the structural performance of CSIPs. Structural design graphs were developed based on FE modeling that can be used as a preliminary design guide for CSIP wall and floor members. The residual flexural strength following full submergence of CSIPs in simulated floodwater was evaluated using a four-point loading test. CSIPs demonstrated the potential for their use in building sustainable structure against flood hazard. Finally, a comprehensive design approach for developing hazard-resistant structures was developed. The approach considers the life cycle cost (LCC) of the structure and safety indices for strength and drift. It accounts also for the uncertainty in both loading and strength. The method was demonstrated with case studies on two structures: one for traditional wood and another for CSIP. The results showed that CSIP building is cost effective and provides higher safety indices than traditional wood structure.

Included in

Engineering Commons



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