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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
    19
Apr
2019
Research Results
Impact of Water on Cracked Concrete Crosstie Service Life
Author
          Federal Railroad Administration

Subject
                    Tracks & Structures

**Keywords:** Concrete crossties, water damage, center cracks, cyclic loading
**Abstract:** To investigate the impact of moisture on crack growth and other tie damage, UIUC researchers subjected pretensioned concrete crossties and small-scale beams to repeated loading...
Report Number
              DOT/FRA/ORD-19/11

  Office
              RDI-21
    29
Sep
2017
Technical Reports
A Survey of Wheel/Rail Friction
Author
          Federal Railroad Administration

Subject
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** Friction, friction management, lubrication, vehicle-track interaction, wheel-rail interaction v
**Abstract:** Friction has a huge influence on the vehicle/track interaction and yet it remains poorly understood, its consideration an afterthought in many simulation activities. This survey...
Report Number
              DOT/FRA/ORD-17/21

  Office
              RDI-21
    18
May
2017
Accident Investigations
HQ-2017-1205 (Finalized)

Subject
                    Accident Investigations,
                    Passenger Rail,
                    Positive Train Control,
                    Commuter

**Keywords:** Accident Investigations, PTC, Metro North
**Abstract:** On May 18, 2017, at 4:54 p.m., EDT, westbound Metro-North Commuter Railroad Company (MNCW) commuter Train No. 1373, originating from Stamford, Connecticut, and destined for Grand...
Accident Date
              May 18, 2017

  Accident Type
              Derailment (DRM)

  Railroad Name
              Metro North Commuter Railroad Company

  Location
              Rye, NYUnited States

  Accident Number
              HQ-2017-1205

  Investigation Status
              Finalized
    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

  Pagination
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