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52550
  
  

  9
Apr
2018
Technical Reports
Rail Base Corrosion and Cracking Prevention: Phase 2
Author
          Federal Railroad Administration

Subject
                    Rail and Infrastructure Integrity

**Keywords:** Corrosion, rail, rail base corrosion, coatings, corrosion testing, premature rail failure
**Abstract:** In March 2014, EWI was engaged by the Federal Railroad Administration to research rail treatments to prevent rail base corrosion in corrosive environments.  A coating system was...
Report Number
              DOT/FRA/ORD-18/09

  Office
              RDI-21
    23
Feb
2018
Research Results
Performance of Rail Fastening Systems on an Open-Deck Bridge
Author
          Federal Railroad Administration

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
    15
Sep
2017
Technical Reports
Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter
Author
          Federal Railroad Administration

Subject
                    Rail and Infrastructure Integrity

**Keywords:** stress in rail; ultrasonic transducers; ultrasound scattering; theoretical model of the scattering process; prototype devices for stress estimations in rail; laboratory and field tests
**Abstract:** In this report, research was conducted at the University of Nebraska-Lincoln pertaining to the use of ultrasound scattering from polycrystalline grains to estimate and monitor...
Report Number
              DOT/FRA/ORD-17/15

  Office
              RDI-21
    1
Sep
2017
Research Results
Bridge Approach Remedies Implemented at Western Mega Site
Author
          Federal Railroad Administration

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
    25
May
2017
Technical Reports
Evaluation of the Federal Railroad Administration’s Autonomous Track Geometry Measurement System Research and Development Program
Author
          Federal Railroad Administration

Subject
                    Rail and Infrastructure Integrity

**Keywords:** Evaluation, program review, needs assessment, funding, decision making
**Abstract:** This report evaluates the Autonomous Track Geometry Measurement System (ATGMS). It examines: 1) the extent of ATGMS usage, 2) what railroads think of ATGMS, 3) why ATGMS is not...
Report Number
              DOT/FRA/ORD-17/05

  Office
              RDI-21

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