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Keywords: Concrete, crossties, ties, Rayleigh waves, impact echo, impact velocity
Abstract: This report documents NDT Corporation’s development of a non-destructive system for inspecting the internal condition of concrete crossties using sonic/ultrasonic impact velocity...
Keywords: Concrete consolidation, air void system, freeze-thaw durability, concrete crosstie
Abstract: This research program was conducted as a partnership between the University of Illinois at Urbana-Champaign (UIUC), Kansas State University (KSU), and the Illinois Department of...