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Keywords: detail fracture, dynamic load factor, fracture mechanics, fracture strength, gage-face wear,
Abstract: This report describes analyses performed to estimate limits on rail wear based on strength investigations. Two different failure modes are considered in this report: (1) permanent...
Railroad Wheel Residual Stress Detection Program- An Evaluation of Residual Stress in Cast Steel Railroad Wheels using Electromagnetic Acoustic Transducers (EMATS)
Keywords: EMAT; Piezoelectric; Ultrasonic
Abstract: A nondestructive testing (NDT) method to determine the residual stress in the rims of cast steel railroad wheels has been evaluated by the Association of American Railroads (AAR...
Keywords: Damage Tolerance Analysis, Fatigue Crack Growth Test
Abstract: In 1992, the National Transportation Safety Board recommended that tank car structures be designed using a damage-tolerant philosophy similar to that utilized by the aircraft...
Keywords: Performance-Based Track Safety Limits, Transportation Technology Center, TTC
Abstract: Results of tests conducted at the Transportation Technology Center (TTC), Pueblo, Colorado, indicate that vehicle response to track twist varies significantly with car type....
Keywords: Intercity Corridors, Maglev, Rail Technology, National Environmental Policy Act, HGST
Abstract: This manual provides procedures for the assessment of potential noise and vibration impacts resulting from proposed high-speed ground transportation (HSGT) projects, including...