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52550
  
  

  21
Nov
2018
Research Results
Report on the New Rail Integrity and Performance Testing at the Mega Sites
Author
          Federal Railroad Administration

Subject
                    Heavy Axle Load (HAL)

**Keywords:** Rail, rolling contact fatigue, RCF, wear, friction control, grinding
**Abstract:** Since 2005, the Association of American Railroads (AAR) and the Federal Railroad Administration (FRA) have co-sponsored ongoing rail performance testing under mainline heavy...
Report Number
              RR 18-17

  Office
              RDI-21
    6
Jun
2018
Research Results
Ballast Degradation Under Heavy Axle Load Trains at the Western Mega Site
Author
          Federal Railroad Administration

Subject
                    Heavy Axle Load (HAL)

**Keywords:** Ballast degradation, triaxial testing, ballast box, heavy axle load, HAL
**Abstract:** Transportation Technology Center, Inc. (TTCI) and the University of Illinois Urbana-Champaign (UIUC), in conjunction with Union Pacific Railroad (UP), investigated ballast...
Report Number
              RR 18-09

  Office
              RDI-21
    27
Feb
2018
Research Results
Performance of No. 20 Frogs of Various Designs in Revenue Service
Author
          Federal Railroad Administration

Subject
                    Heavy Axle Load (HAL),
                    Track

**Keywords:** Special trackwork, turnout frogs, frog heel, frog point, HAL
**Abstract:** Transportation Technology Center, Inc. (TTCI) tested and evaluated the performance of four No. 20 fixed-point frogs on the Norfolk Southern Railway (NS) track as part of the...
Report Number
              RR 18-04

  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

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