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Tracks & Structures
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52550
  
  

  10
May
2019
Research Results
Determining Bond-Slip Characteristics of Prestressing Tendons with Varying Geometries in Two Concrete Mixtures
Author
          Federal Railroad Administration

Subject
                    Tracks & Structures

**Keywords:** Track, ties, concrete, bond-slip, prestressing tendons
**Abstract:** Untensioned pullout tests were conducted to obtain the bond-slip characteristics of two groups of prestressing tendons used in concrete railroad tie production. The purpose of...
Report Number
              RR 19-13

  Office
              RDI-21
    3
Feb
2017
Accident Investigations
HQ-2017-1184 (Finalized)

Subject
                    Accident Investigations,
                    Tracks & Structures

**Keywords:** Accident Investigations, Union Pacific
**Abstract:** On February 3, 2017, at approximately 8:55 p.m., CST, southbound Union Pacific Railroad (UP) Coal Train CWTCL9-01, with 2 lead locomotives, 2 distributed power locomotives at the...
Accident Date
              February 3, 2017

  Accident Type
              Derailment (DRM)

  Railroad Name
              Union Pacific Railroad Company (UP)

  Location
              Hearne, TXUnited States

  Accident Number
              HQ-2017-1184

  Investigation Status
              Finalized
    28
Nov
2016
Presentations
2016 FRA Rail Program Delivery: PRIIA Locomotives

Subject
                    Tracks & Structures,
                    Grants & Financial Assistance

**Keywords:** Lightning Talks
**Abstract:** The Federal Railroad Administration hosted the third FRA Rail Program Delivery Meeting—a 2.5-day conference for grantees, railroad representatives, federal oversight contractors,...
Presenter
              Catherine Dobbs

  Audience
              FRA HQ

  Location
              Washington, DCUnited States
    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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