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52550
  
  

  13
Jan
2017
Technical Reports
Weld Repair of Manganese Frogs for Enhanced Performance
Author
          Federal Railroad Administration

Subject
                    Best Practices,
                    Rail and Infrastructure Integrity,
                    Track

**Keywords:** Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
**Abstract:** When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
Report Number
              DOT/FRA/ORD-17/01

  Office
              RRD
    18
Oct
2013
Technical Reports
Feasibility Study of Fiber-Optic Technology for Broken Rail Detection
Author
          Matthew D. Holcomb and W. David Mauger

Subject
                    Rail and Infrastructure Integrity,
                    Track,
                    Tracks & Structures

**Keywords:** Fiber Optic, Broken Rail, Acoustic, Seismic, Rail Break, Wayside Systems
**Abstract:** This report describes the activities and presents the results of a feasibility study to examine the viability of using fiber-optic acoustic technologies to detect broken rails in...
Report Number
              DOT/FRA/ORD-13/44

  Office
              RRD
    3
May
2004
Safety Advisories
Addresses recommended safety practices and reviews existing requirements for the protection of roadway workers from traffic on adjacent tracks and to heighten awareness to prevent the inadvertent fouling of track when on-track safety is not provided

Subject
                    Rail and Infrastructure Integrity,
                    Signal and Train Control,
                    Track

**Keywords:** Track; roadway worker rule; adjacent tracks; large-scale; controlled track

Safety Advisory Number
              2004-01
    1
May
1999
Technical Reports
Test and Evaluation of Rail Flaw Detection Technologies
Author
          Greg A. Garcia, Richard P. Reiff

Subject
                    Rail and Infrastructure Integrity

**Keywords:** Nondestructive Inspection, Laser Ultrasonics, Remote Field and Low Frequency Eddy Current Testing, Electromagnetic Acoustic Transducer, Flaw Growth Rate
**Abstract:** Internal flaws in rail occur as a consequence of the accumulation of fatigue under repeated loading. Inspection of the rail to detect flaws before they progress to complete...
Report Number
              R-934

  Office
              RRD
    1
Sep
1993
Technical Reports
Thermal Measurements of Commuter Rail Wheels Under Revenue Service Conditions
Author
          Federal Railroad Administration;  Cameron D. Stuart

Subject
                    Rail and Infrastructure Integrity


**Abstract:** The report documents the test objective, procedure, and equipment used during the execution of the New Jersey Transit Operational Field Test conducted under the FRA Cracked Wheel...
Report Number
              DOT/FRA/ORD-93/19

  Office
              RDI-21

  Pagination
    1
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