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23
Feb
2018
Research Results
Performance of Rail Fastening Systems on an Open-Deck Bridge
Subject
Bridge and Structures Safety
Keywords: Rail fastening systems, track gage strength, bridges, open-deck bridges
Abstract: Transportation Technology Center, Inc. (TTCI) monitored the performance of rail fasteners on an open-deck bridge and its approaches, located at Norfolk Southern Corporation’s (...
Report Number
RR 18-02
Office
RDI-21
1
Sep
2017
Research Results
Bridge Approach Remedies Implemented at Western Mega Site
Subject
Bridge and Structures Safety
Keywords: Heavy axle load (HAL), track transition, bridge approach
Abstract: As part of the heavy axle load (HAL) revenue service mega site testing program, the Transportation Technology Center, Inc. (TTCI) has worked closely with the Union Pacific...
Report Number
RR 17-10
Office
RDI-21
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
9
Jun
2015
Technical Reports
Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors using Wireless Smart Sensors
Subject
Bridge and Structures Safety
Keywords: Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors using Wireless Smart Sensors; Railroad bridge safety; bridge performance monitoring; wireless sensors; campaign monitoring
Abstract: This research project used wireless smart sensors to develop a cost-effective and practical portable structural health monitoring system for railroad bridges in North America. The...
Report Number
DOT/FRA/ORD-15/19
Office
RDI-21