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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1,138 Technology Digests

By
  • Rafael Jimenez
  • David Davis
Tags:
  • Crossties and Fasteners
  • inspection
  • maintenance
  • rail materials
  • track inspection
  • Track Strength/Geometry/Testing
  • turnout inspection
  • turnouts and special trackwork
By
  • Huimin Wu
  • Brad Kerchof
Tags:
  • asymmetrically worn wheels
  • B/H ratios
  • high lateral forces
  • remedies for rail rollover derailments
  • vertical load
  • wheel/rail contact conditions
  • wheel/rail lateral forces
By
  • David Davis
  • Semih Kalay
  • Mehdi Ahmadian
  • Christopher Barkan
  • Gary Fry
Tags:
  • ballast condition
  • bolted connections; Texas A&M: automated detection cracked axles
  • bridge performance assessment
  • corrosion on fatigue life of steel and bridge pier p
  • hydraulic hazard forecasting
  • Illinois: concrete tie design
  • wheel fatigue mitigation
By
  • Daniel Gutscher
Tags:
  • electric flash-butt welds (EFB)
  • rail welding
  • slot
  • thermite repair railhead
  • weld installation
By
  • David Read
  • Randy Thompson
  • James Hyslip
  • R. Scott Hailey
Tags:
  • ballast materials
  • cone penetrometer testing
  • CPT
  • gpr
  • ground penetrating radar
  • maintenance
  • substructure
By
  • David Davis
  • David Williams
  • William Lundberg
  • Kyle Ninness
  • Scott Gage
Tags:
  • island circuit for road crossing
  • signals
  • track circuit shunt
By
  • Xinggao Shu
  • David Davis
  • Rafael Jimenez
  • Muhammad Akhtar
Tags:
  • frog foundations
  • frog running surface profiles
  • turnouts and special trackwork
By
  • Richard Joy
  • Lucy Tunna
  • Duane Otter
  • Dingqing Li
Tags:
  • Bridges
  • continuous welded rail
By
  • Duane Otter
  • David Davis
Tags:
  • bridge
  • impact loads
  • meter joint
  • movable bridge
  • rail joint
  • rail profile
  • Special Trackwork
By
  • Devin Sammon
  • Kari Gonzales
  • Daniel Szablewski
  • Daniel Carter
Tags:
  • bolster
  • castings
  • fracture
  • material properties
  • materials and structural testing properties and analysis
  • side frame
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