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1
Dec
1998
Technical Reports
Estimation of Rail Wear Limits Based on Rail Strength Investigations
Subject
Track,
Tracks & Structures,
Track/Train Interactions
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...
Report Number
DOT/FRA/ORD-98/07
Office
RRD
1
Dec
1998
Technical Reports
Stub Sill Tank Car Research Project: Full-Scale Damage Tolerance Test
Subject
Evaluation
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...
Office
RRD
1
Dec
1998
Technical Reports
Railroad Wheel Residual Stress Detection Program- An Evaluation of Residual Stress in Cast Steel Railroad Wheels using Electromagnetic Acoustic Transducers (EMATS)
Subject
Rail and Infrastructure Integrity
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...
Report Number
DOT/FRA/ORD-99/06
Office
RDI-20
1
Dec
1998
Technical Reports
Effect of Track Twist on Vehicle Dynamic Performance: Final Report
Subject
Track/Train Interactions
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....
Report Number
R-825
Office
RRD
1
Dec
1998
Other Reports
High-Speed Ground Transportation Noise and Vibration Impact Assessment
Subject
High-Speed Passenger Rail
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...
Office
RRD