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52550
  
  

  16
Mar
2022
Technical Reports
Investigation of Wheel and Rail Rolling Contact Fatigue by Using a Full-Scale Simulator
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Rolling contact fatigue, RCF, rolling contact fatigue simulator, RCFS, high-impact wheel, HIW, wheel and rail defects, wheel and rail forces

Report Number
              DOT/FRA/ORD-22/13

  Office
              RDI-21
    14
Feb
2022
Technical Reports
Unsaturated Characteristics of Fouled Ballast to Support In Situ Identification of Fouling Using Ground Penetrating Radar – Phase I
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Ballast stability detection technology, suction water characteristic curves, SWCC, large-scale direct shear, LSDS, ballast, fouling, track

Report Number
              DOT/FRA/ORD-22/09

  Office
              RDI-21
    26
May
2020
Technical Reports
Reference-Free Estimates of Railroad Bridge Displacement under Revenue Service Traffic
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Railroad bridge safety, bridge performance monitoring, reference-free displacements estimation, campaign monitoring

Report Number
              DOT/FRA/ORD-20/21

  Office
              RDI-21
    10
Feb
2020
Technical Reports
Cant Excess for Freight Train Operations on Shared Track
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Cant excess, cant deficiency, superelevation, shared track
**Abstract:** Transportation Technology Center, Inc., with Federal Railroad Administration support, conducted a study to review and summarize current practices and issues related to shared...
Report Number
              DOT/FRA/ORD-20/05

  Office
              RDI-21
    2
Dec
2019
Technical Reports
Wheel Bearing Brake/Instrumented Wheelset (WBB/IWS) Friction Characterization Study
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Wheel/rail interface, W/R, friction, angle of attack, AoA, traction curves, instrumented wheelset, IWS, rolling contact fatigue, wear, tribometer
**Abstract:** The wheel/rail (W/R) interface experiences variable friction conditions during in-service operation. This is due mainly to the application of top-of-rail friction modifiers (...
Report Number
              DOT/FRA/ORD-19/46

  Office
              RDI-21

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