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University Transportation Center for Railway Safety (UTCRS)

Strength and Fracture Toughness of Railroad Eyebar Members - Related Links

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Center for Railway Safety (UTCRS)
Engineering Portable
EPOB4 1.100
Email: railwaysafety@utrgv.edu
Phone: (956) 665-8878
Fax: (956) 665-8879
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USDOT FRA OST-R UTCs CUTC AAR/TTCI

Strength and Fracture Toughness of Railroad Eyebar Members

University  Texas A&M University (TAMU)
Principal Investigators  Peter Keating, Ph.D., Civil Engineering (PI)
PI Contact Information  709C CEOB
College Station, TX 77843-3135
Office (979) 845-9969
keating@civil.tamu.edu
Funding Source(s) and Amounts Provided (by each agency or organization)  Federal Funds (USDOT UTC Program): $25,000
Total Project Cost  $25,000
Agency ID or Contract Number  DTRT13-G-UTC59
Start and End Dates May 2016 - December 2017
Brief Description of Research Project  The decommissioning of two truss railroad bridges has presented an opportunity to better understand and document the strength and fracture toughness of eyebar members. The eyebar members from these bridges have been in service for over one hundred years. A companion research project will fatigue test approximately half the available eyebars, the remaining eyebars are available for further study. The strength of the eyebars (both yield and tensile) will be determined through small-scale tensile tests. Fracture toughness will be evaluated using CVN specimens. Both the main body of the eyebar as well as the eyebar heads will be investigated. Additionally, the effects of heat-shortening on the mechanical properties of eyebars will be investigated.
Keywords truss railroad bridges, strength, fracture toughness, fatigue test, tensile test, heat shortening, eyebar, CVN specimens
Describe Implementation of Research Outcomes (or why not implemented) Place Any Photos Here Pending Project Completion.
Impacts/Benefits of Implementation (actual, not anticipated) Pending Project Completion.
Report http://www.utrgv.edu/railwaysafety/_files/infrastructure/fracture-of-eyebar-members.pdf
Project Website http://www.utrgv.edu/railwaysafety/research/infrastructure/fracture-of-eyebar-members/index.htm  
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