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52550
  
  

  9
Feb
2024
Technical Reports
Mechanistic Investigation of Timber Crosstie Spike Fastener Failures – Phase I: The Magnitude of the Spike Failure Challenge
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:**  track research, cut spikes, drive spikes, screw spikes, elastic fastening systems, failure analysis, broken spikes
**Abstract:** The Rail Transportation and Engineering Center (RailTEC) at the University of Illinois at Urbana-Champaign (UIUC) performed a literature review, conducted an industry-wide...
Report Number
              DOT/FRA/ORD-24-06

  Office
              RDI-21
    13
Sep
2023
Technical Reports
High-Strength, Reduced-Modulus, High-Performance Concrete for Prestressed Concrete Crosstie Applications
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Concrete, crosstie, weathered aggregate, granite, modulus
**Abstract:** High-performance concrete (HPC) with early strength development is the material of choice for fabricating prestressed concrete railroad ties. However, the higher strength of...
Report Number
              : DOT/FRA/ORD-23/26

  Office
              RPD-21
    13
Jan
2023
Technical Reports
Relationship of Inspection Methods to Ballast Degradation Models: Phase I
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Ballast, track geometry, lateral strength, lateral resistance, single tie push test, STPT, ballast condition, forecasting, track, ground penetrating radar, GPR

Report Number
              DOT/FRA/ORD-23/04

  Office
              RDI-21
    24
Oct
2022
Research Results
Rainy Section at FAST: Phase I Summary
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Ballast, mud pumping, settlement, track modulus, drainage

Report Number
              RR 22-31

  Office
              RDI-21
    23
Sep
2022
Research Results
Longitudinal Resistance Modeling for Frozen Ballast
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Longitudinal resistance, rail break, rail neutral temperature, frozen ballast

Report Number
              RR 22-22

  Office
              RDI-21

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