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52550
  
  

  11
Jun
2019
Technical Reports
Maintenance of Way (MOW) Employee Safety System – Phase 1
Author
          Federal Railroad Administration

Subject
                    Worker Protection

**Keywords:** Maintenance-of-Way Employee Safety System, MOWESS, North American railroad, maintenance-of-way, MOW, safety improvements
**Abstract:** The Federal Railroad Administration (FRA) contracted Transportation Technology Center, Inc. (TTCI) to develop a concept of operations (CONOPS) for a system capable of resolving...
Report Number
              DOT/FRA/ORD-19/15

  Office
              RDI-23
    5
Jun
2019
Technical Reports
Maintenance of Way (MOW) Employee Safety System – Phase 1: Appendices A Through C
Author
          Federal Railroad Administration

Subject
                    Worker Protection

**Keywords:** Maintenance-of-Way Employee Safety System, MOWESS, North American railroad, maintenance-of-way, MOW, safety improvements, worker protection
**Abstract:** Appendices A through C contains operational use cases, a preliminary hazard analysis, and the full suite of MOWESS applications detailed in the CONOPS.
Report Number
              DOT/FRA/ORD-19/15

  Office
              RDI-23
    15
Apr
2019
Technical Reports
Quasi-Static Research Testing of Workstation Tables
Author
          Federal Railroad Administration

Subject
                    Occupant Protection,
                    Crashworthiness - Passenger Equipment,
                    Testing

**Keywords:** Passenger rail car, workstation tables, energy absorption, interior crashworthiness, train collision safety
**Abstract:** Sharma & Associates, Inc. (SA) performed quasi-static destructive loading tests on two different designs of passenger workstation tables in accordance with the requirements of...
Report Number
              DOT/FRA/ORD-19/08

  Office
              RDI-22
    10
Sep
2018
Technical Reports
Material and Manufacturing Requirements for Freeze-Thaw Durable Concrete Railroad Ties, Appendices A Through C
Author
          Federal Railroad Administration

Subject
                    Testing

**Keywords:** Concrete consolidation, air void system, freeze-thaw durability, concrete crosstie
**Abstract:** Appendix A documents additional rheological data taken on concrete during vibration; while Appendix B depicts the measured and predicted temperature and relative humidity of...
Report Number
              DOT/FRA/ORD-18/31

  Office
              RDI-21
    5
Sep
2018
Technical Reports
Inspection of Concrete Ties Using Sonic/Ultrasonic Impact Velocity and Impact Echo Measurements
Author
          Federal Railroad Administration

Subject
                    Testing

**Keywords:** Concrete, crossties, ties, Rayleigh waves, impact echo, impact velocity
**Abstract:** This report documents NDT Corporation’s development of a non-destructive system for inspecting the internal condition of concrete crossties using sonic/ultrasonic impact velocity...
Report Number
              DOT/FRA/ORD-18/32

  Office
              RDI-21

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