Technology Digests

MxV Rail’s Technology Digest e-Library spans over 30 years of research and testing for the Association of American Railroads (AAR). This work was made possible by the support of the AAR and its member railroads, as well as additional partners including the Federal Railroad Administration, suppliers and vendors, and allied universities.

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1,149 Technology Digests

Date Posted:
By
  • Anna Rakoczy
  • Duane Otter
Tags:
  • bridge defect
  • built-up steel girder
  • crack growth
  • fracture
  • member-level redundancy
  • plate girder
  • riveted girder
  • TD-16-056 bridges
Date Posted:
By
  • Megan Archuleta
  • Kyle Ninness
Tags:
  • rail
  • Railhead Repair
  • revenue service
  • TD-16-055 rail welding
  • thermite
  • weld
Date Posted:
By
  • Huimin Wu
  • David Davis
  • Rafael Jimenez
  • Duane Otter
Tags:
  • crossing diamonds
  • flange bearing frogs
  • TD-16-054 turnouts and special trackwork
  • wheel/rail contact
Date Posted:
By
  • Alexander Keylin
  • Scott Cummings
Tags:
  • grind quality control
  • grinding templates
  • maintenance of way
  • rail grinding
  • Rail Maintenance
  • rail profiles
  • standards
  • TD-16-053 rail materials/inspection/maintenance
Date Posted:
By
  • Benjamin Bakkum
  • David Davis
  • Rafael Jimenez
Tags:
  • operational delays
  • revenue service
  • switch failures
  • TD-16-052 turnouts and special trackwork
Date Posted:
By
  • David Linkowski
  • Maurice Marongiu
  • David Davis
Tags:
  • heat pipes
  • inspection
  • maintenance
  • phase change materials (PCM)
  • rail neutral temperature (RNT)
  • reflective coatings
  • speed restrictions
  • TD-16-051 rail materials
Date Posted:
By
  • Matthew Witte
  • Anish Poudel
Tags:
  • rail defects
  • TD-16-050 phased array rail inspection
  • ultrasonic testing (UT)
Date Posted:
By
  • Matthew Witte
  • Richard Chaparro
  • Abe Meddah
Tags:
  • draft gears
  • TD-16-049 machine vision
  • train car inspection
  • undercarriage inspection
Date Posted:
By
  • Anna Rakoczy
  • Brach Prough
  • Duane Otter
  • Stephen Dick
Tags:
  • bending and axial stresses
  • HAL
  • heavy axle loads
  • longer spans
  • structural analysis
  • TD-16-048 bridges
  • trusses
Date Posted:
By
  • Anna Rakoczy
  • Duane Otter
  • Stephen Dick
Tags:
  • bending and axial stresses
  • HAL
  • HAL short cars
  • heavy axle loads
  • longer spans
  • model validation
  • structural analysis
  • TD-16-047 bridges
  • trusses
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