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52550
  
  

  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
    20
Jun
2016
Technical Reports
Installation of Active Noise Control and Active Vibration Control on a GP40-2 Locomotive
Author
          Federal Railroad Administration

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
Author
          Federal Railroad Administration

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
    25
Jul
2014
Technical Reports
Evaluation of Wheel/Rail Contact Mechanics: Concepts Report
Author
          Mehdi Ahmadian and Michael Craft

Subject
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** Roller Rig, Wheel-Rail Contact Mechanics, Rail Vehicle Dynamics, Contact Patch Dynamics, Wheel Forces and Moments
**Abstract:** A need exists for a new test rig design with advanced sensing technologies that will allow the railroad industry and regulatory agencies to better understand the wheel-rail...
Report Number
              DOT/FRA/ORD-14/28

  Office
              RDI-21
    24
Jul
2014
Technical Reports
Construction Loads Experienced by Plastic Composite Ties
Author
          Richard Reiff

Subject
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** Plastic tie, composite tie, tie insertion, tie nipping, bending loads
**Abstract:** Damage to plastic composite ties during handling and track installation has been reported by a number of railroads. Results from a survey conducted to identify specific handling...
Report Number
              DOT/FRA/ORD-14/25

  Office
              RDI-21

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