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52550
  
  

  29
Sep
2023
Technical Reports
Development of a Bayesian Network-Based Accident Model for Hazmat Unit Trains
Author
          Federal Railroad Administration

Subject
                    Hazardous Materials,
                    Rolling Stock

**Keywords:** Risk analysis, unit trains, hazmat
**Abstract:** The objective of this research project was to develop a predictive risk model for the release of hazardous material transported in unit trains using data science techniques for...
Report Number
              DOT/FRA/ORD-23/37

  Office
              RDI-22
    29
Sep
2023
Technical Reports
Load Environment Characterization of Tank Car Stub Sill During Revenue Operations

Subject
                    Hazardous Materials,
                    Rolling Stock

**Keywords:** Tank Cars, Rail, Stub Sill Failures, Impact Test, Yard Operation, Mainline Operation, Main Operation, Car Coupling, Draft Gear, Instrumented Couplers
**Abstract:** Fractures in the stub sills of tank cars pose a significant problem for the rail industry due to the potential for damage to the tank structure and possible release of the...
Report Number
              : DOT/FRA/ORD-23/34

  Office
              RDI-22
    13
Apr
2023
Technical Reports
Improved Collision Protection for Train Passengers Seated in Wheelchairs: Evaluation of Active and Passive Strategies
Author
          Federal Railroad Administration

Subject
                    Hazardous Materials,
                    Rolling Stock

**Keywords:** wheeled mobility device, wheelchair, compartmentalization, securement, WhMD, occupant protection, passenger railcar, railcar
**Abstract:** The project evaluates wheeled mobility device (WhMD) securement and occupant restraint on passenger trains. Researchers tested three off-the-shelf wheelchair securement systems...
Report Number
              DOT/FRA/ORD-23/12

  Office
              RPD-22
    2
Jun
2020
Technical Reports
Full-Scale Rollover Test and Corresponding Analytical Modeling – Survivability of Top Fittings for CPC-1232 Tank Car
Author
          Federal Railroad Administration

Subject
                    Crashworthiness - Tank Car,
                    Hazardous Materials

**Keywords:** Full-scale testing, fittings, protection, rollover, tank car, tank car safety, CPC-1232 car
**Abstract:** A full-scale rollover test was performed on a CPC-1232 tank car body to determine the survivability of the top fittings and provide a comparison to past tank car-type rollover...
Report Number
              DOT/FRA/ORD-20/22

  Office
              RDI-22
    22
Oct
2018
Technical Reports
Objective Evaluation of Risk Reduction from Tank Car Design and Operations Improvements – Extended Study
Author
          Federal Railroad Administration

Subject
                    Hazardous Materials

**Keywords:** Hazardous materials, probability of puncture, risk evaluation, tank car puncture resistance
**Abstract:** This report describes a novel and objective methodology for quantifying and characterizing how changes to tank car designs or the tank car operating environment lead to reductions...
Report Number
              DOT/FRA/ORD-18/36

  Office
              RDI-22

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