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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
    8
Jan
2015
Technical Reports
Identity Management for Interoperable PTC Systems in Bandwidth-Limited Environments (Part 1)
Author
          Howard & George Mason University

Subject
                    Positive Train Control,
                    Grants & Financial Assistance

**Keywords:** PTC Railroad Safety Technology Grant
**Abstract:** Positive Train Control is a wireless based system designed to provide comprehensive safety coverage for passenger and cargo trains operating on US railroads by 2015. Mandated by...
Report Number
              FR-TEC-0006-11-01-00

  Office
              RRS-13.5
    8
Jan
2015
Technical Reports
Identity Management for Interoperable PTC Systems in Bandwidth-Limited Environments (Part 2)
Author
          Howard & George Mason University

Subject
                    Positive Train Control,
                    Grants & Financial Assistance

**Keywords:** PTC Railroad Safety Technology Grant
**Abstract:** Technical Report- REDACTED
Report Number
              FR-TEC-0006-11-01-00

  Office
              RRS-13.5
    8
Jan
2015
Technical Reports
Identity Management for Interoperable PTC Systems in Bandwidth-Limited Environments (Part 3)
Author
          Howard & George Mason University

Subject
                    Positive Train Control,
                    Grants & Financial Assistance

**Keywords:** PTC Railroad Safety Technology Grant

Report Number
              FR-TEC-0006-11-01-00

  Office
              RRS-13.5
    25
Jul
2013
Technical Reports
Methodology for Cost Apportionment for a Shared 220 MHz RF Network in a Multi-railroad, Dense Traffic Area
Author
          Southern California Regional Rail Authority (SCRRA)

Subject
                    Positive Train Control,
                    Grants & Financial Assistance

**Keywords:** PTC Railroad Safety Technology Grant

Report Number
              FR-TEC-0004-11-01-00

  Office
              RRS

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