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52550
  
  

  21
Jun
2022
Technical Reports
Framework for Wheel Life Model – Phase I
Author
          Federal Railroad Administration

Subject
                    Track/Train Interactions

**Keywords:** Rolling contact fatigue, contact stress, crack growth, crack initiation, creep, fatigue strength, heat treatment, pearlite, wheel damage map, quenching, residual stress, S-660, shakedown, time-temperature-transformation, tread-braking

Report Number
              DOT/FRA/ORD-22/25

  Office
              RDI-22
    11
Jun
2019
Technical Reports
Maintenance of Way (MOW) Employee Safety System – Phase 1
Author
          Federal Railroad Administration

Subject
                    Worker Protection

**Keywords:** Maintenance-of-Way Employee Safety System, MOWESS, North American railroad, maintenance-of-way, MOW, safety improvements
**Abstract:** The Federal Railroad Administration (FRA) contracted Transportation Technology Center, Inc. (TTCI) to develop a concept of operations (CONOPS) for a system capable of resolving...
Report Number
              DOT/FRA/ORD-19/15

  Office
              RDI-23
    5
Jun
2019
Technical Reports
Maintenance of Way (MOW) Employee Safety System – Phase 1: Appendices A Through C
Author
          Federal Railroad Administration

Subject
                    Worker Protection

**Keywords:** Maintenance-of-Way Employee Safety System, MOWESS, North American railroad, maintenance-of-way, MOW, safety improvements, worker protection
**Abstract:** Appendices A through C contains operational use cases, a preliminary hazard analysis, and the full suite of MOWESS applications detailed in the CONOPS.
Report Number
              DOT/FRA/ORD-19/15

  Office
              RDI-23
    29
Sep
2017
Technical Reports
A Survey of Wheel/Rail Friction
Author
          Federal Railroad Administration

Subject
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** Friction, friction management, lubrication, vehicle-track interaction, wheel-rail interaction v
**Abstract:** Friction has a huge influence on the vehicle/track interaction and yet it remains poorly understood, its consideration an afterthought in many simulation activities. This survey...
Report Number
              DOT/FRA/ORD-17/21

  Office
              RDI-21
    28
Sep
2017
Technical Reports
Ground Penetrating Radar Technology Evaluation and Implementation: Phase 2
Author
          Federal Railroad Administration

Subject
                    Track/Train Interactions

**Keywords:** Ground penetrating radar technology, GPR, ballast, fouling
**Abstract:** This report summarizes the results from Phase 2 of the ground penetrating radar (GPR) technologies evaluation performed by the Transportation Technology Center, Inc. at the...
Report Number
              DOT/FRA/ORD-17/19

  Office
              RDI-21

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