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Title: Corrosion Performance of Ultra-High-Performance Concrete in Uncracked and Cracked Beams: A Student’s Perspective

Author(s): Shirkhorshidi

Publication: Web Session

Volume: ws_S22_Shirkhorshidi.pdf


Appears on pages(s):



Date: 3/28/2022

Ultra-high-performance concrete (UHPC) is increasingly being investigated to improve the durability and corrosion performance of reinforced concrete infrastructure. Due to its tight microstructure, UHPC and other ductile concrete systems are often assumed to have a higher corrosion resistance compared to ordinary concrete systems. While the dense microstructure can affect durability behavior, the cracking behavior of UHPC and ductile concrete systems is a critical factor that can change the corrosion performance of these systems compared to normal concrete. However, there is inadequate information on the effect of cracking as it relates to the corrosion performance of UHPC, and it is crucial to consider how cracking behavior influences the corrosion response of reinforcement in UHPC systems to evaluate its service life performance. This presentation provides an overview of corrosion mechanisms in concrete systems and examines the influence of cracking. The mechanical properties, mixture design, and other properties of UHPC and other systems investigated in this study are reviewed. A detailed description of specimens, pre-cracking method, corrosion testing procedures, results, and future work will be provided. A student perspective on working with UHPC, in comparison to other fiber-reinforced materials with high ductility will be discussed. Differences in terms of mixing, testing, and analyzing behavior will be shared with the audience.