Korea University · Engineering
Professor Young-Soo Yoon's research lab specializes in advanced cementitious materials, with a primary focus on ultra-high-performance fiber-reinforced concrete (UHPFRC) and ultra-high-performance fiber-reinforced cementitious composites (UHPFRCC). The lab investigates the mechanical behavior of these materials under diverse loading conditions—such as flexure, shear, torsion, impact, and blast—while emphasizing fiber-matrix interface performance and hybrid fiber reinforcement systems. Recent work also explores sustainable recycling of industrial by-products, particularly steel-making slag, to enhance the environmental and mechanical performance of concrete. The lab combines experimental testing with advanced numerical simulations, including nonlinear finite element analysis, to develop predictive models for structural behavior.
Figures are computed from collected data and may differ slightly.
An overall review of the structural behaviors of ultra-high-performance fiber-reinforced concrete (UHPFRC) elements subjected to various loading conditions needs to be conducted to prevent duplicate research and to promote its practical applications. Thus, in this study, the behavior of various UHPFRC structures under different loading conditions, such as flexure, shear, torsion, and high-rate loads (impacts and blasts), were synthetically reviewed. In addition, the bond performance between UHPF
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