Field Instrumentation and Analysis of the Arkansas River Bridge : Bridge No. 96-78-19.11(064) : Executive Summary
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2004-09-01
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Abstract:Extensive work applying fatigue and fracture mechanics, as well as an ANSYS coarse model to sub-model computational analysis, was performed to predict internal stresses at critical locations where the exterior floor-beam connections have experienced fatigue cracks at the stiffener plates. In addition to predicting internal stresses, Dr. Roddis and Dr. Zhao have provided a retrofit concept to extend the fatigue life of the exterior floor-beam connections. Strain gauges were installed before and after retrofit of the Bridge.
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