Richard Sause

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About

Richard Sause has made foundational contributions to the design and performance of steel and concrete bridge structures, with a particular focus on fatigue behavior and high-performance materials. His widely cited work on the fatigue life of steel bridge I-girders with trapezoidal corrugated webs, published in 2006, established critical design criteria for highway bridge girders fabricated from HPS 485W steel. Through large-scale experimental testing of eight full-size girders, Sause demonstrated how web corrugation geometry affects fatigue resistance, providing essential guidance for engineers seeking lighter, more durable bridge systems. This research, which has accumulated over 57 citations, remains a key reference for fatigue design of corrugated web girders. Beyond this landmark study, Sause has advanced the understanding of seismic behavior in concrete-filled steel tubes, hybrid structural systems, and the application of high-performance steel in bridges. His work bridges experimental mechanics and practical design, influencing both AASHTO specifications and international bridge engineering practice. For students and researchers, Sause exemplifies how rigorous experimental research can directly inform safer, more efficient infrastructure.