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21
Jun
2016
Research Results
Ballast Degradation Characterized through Triaxial Testing
Keywords: Ballast degradation, triaxial testing, LA abrasion test
Abstract: Transportation Technology Center, Inc. (TTCI) has supported the development of a large-scale triaxial test device for testing ballast size aggregate materials at the University...
Report Number
RR 16-21
Office
RDI-21
21
Jun
2016
Technical Reports
The Use of Air Bags for Mitigating Grade Crossing and Trespass Accidents: Literature Review and Research Plan.
Subject
Grade Crossing Technology
Keywords: Literature review, crash mitigation technology, locomotive airbag technologies, impact simulations
Abstract: Researchers reviewed state-of-the art advances in locomotive airbag technologies for potential use in reducing vehicle and pedestrian collisions.
Report Number
DOT/FRA/ORD-16/22
Office
RDI-22
20
Jun
2016
Technical Reports
Installation of Active Noise Control and Active Vibration Control on a GP40-2 Locomotive
Subject
Operating Practices
Keywords: active noise control, active vibration control, static operation, on-track operation
Abstract: This project evaluated the performance of active noise control (ANC) and active vibration control (AVC) technologies using a GP40-2 locomotive located at the Transportation...
Report Number
DOT/FRA/ORD-16/20
Office
RDI-22
17
Jun
2016
Technical Reports
Improved Quality Truck Castings
Subject
Operating Practices
Keywords: Bolster, side frame, truck, casting, foundry
Abstract: A review of the car repair billing database shows that many bolsters and side frames are removed from service each year due to cracking or breaking. Derailment-related costs due...
Report Number
DOT/FRA/ORD-16/18
Office
RDI-22
17
Jun
2016
Technical Reports
Heavy Point Frog Performance under Passenger Vehicles
Keywords: Heavy Point Frog, Vehicle Track Interaction, safety criteria, high-speed rail operations
Abstract: Federal Railroad Administration contracted with the Transportation Technology Center, Inc., Pueblo, Colorado, to conduct an investigation of passenger vehicle performance running...
Report Number
DOT/FRA/ORD-16/19
Office
RDI-21