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52550
  
  

  1
Aug
2018
Research Results
Understanding the Splitting and Bursting Failure of Concrete Crossties
Author
          Federal Railroad Administration

Subject
                    Analysis

**Keywords:** Pretensioned concrete crosstie, splitting crack, bursting crack, concrete release strength, prestressing wire, prestressing strand, bond strength, finite element analysis
**Abstract:** Under the sponsorship of the Federal Railroad Administration, finite element (FE) analyses were conducted at the Volpe National Transportation Systems Center (Volpe Center)...
Report Number
              RR 18-12

  Office
              RDI-21
    3
Apr
2014
Technical Reports
Start Time Variability and Predictability in Railroad Train and Engine Freight and Passenger Service Employees
Author
          Thomas G. Raslear

Subject
                    Human Factors,
                    Work Schedule & Sleep Patterns

**Keywords:** Work schedules, start time variability, fatigue, train and engine service, accident probability, FAST
**Abstract:** Start time variability in work schedules is often hypothesized to be a cause of railroad employee fatigue because unpredictable work start times prevent employees from planning...
Report Number
              DOT/FRA/ORD-14/05

  Office
              RRD
    8
Jan
2014
Other Reports
Characterization of Locomotive Engineer Schedules
Author
          Judith Gertler

Subject
                    Human Factors,
                    Worker Protection,
                    Work Schedule & Sleep Patterns

**Keywords:** Characterization of Locomotive Engineer Schedules; work

Report Number
              DOT/FRA/ORD-14/01

  Office
              RRD
    19
Jul
2013
Other Reports
Criteria and procedures for validating biomathematical models of human performance and fatigue: Procedures for analysis of work schedules
Author
          Dr. Thomas Raslear

Subject
                    Fatigue Management,
                    Human Factors,
                    Work Schedule & Sleep Patterns

**Keywords:** human factors; fatigue; work schedules; performance; biomathematical

Report Number
              DOT/FRA/ORD–13/33

  Office
              RRD
    22
Feb
2013
Technical Reports
Fatigue Status of the U.S. Railroad Industry
Author
          Judith Gertler, Amanda DiFiore and Thomas Raslear

Subject
                    Fatigue Management,
                    Hours of Service,
                    Human Factors,
                    Sleep Disorders,
                    Work Schedule & Sleep Patterns

**Keywords:** Fatigue, work schedule, sleep pattern, sleep disorder, alertness, shiftwork, hours of service, split assignment, extra board
**Abstract:** This report draws on the results of several prior studies, all conducted with similar methodology, to characterize the prevalence of employee fatigue in the U.S. railroad industry...
Report Number
              DOT/FRA/ORD-13/06

  Office
              RRD

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