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
  • Kevin Koch
  • Kari Gonzales
Tags:
  • finite element analysis (FEA
  • increased draft load capacity
  • material properties
  • stress levels
  • surface defects
Date Posted:
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
Date Posted:
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
Date Posted:
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
Date Posted:
By
  • Daniel Gutscher
Tags:
  • electric flash-butt welds (EFB)
  • rail welding
  • slot
  • thermite repair railhead
  • weld installation
Date Posted:
By
  • David Read
  • Randy Thompson
  • James Hyslip
  • R. Scott Hailey
Tags:
  • ballast materials
  • cone penetrometer testing
  • CPT
  • gpr
  • ground penetrating radar
  • maintenance
  • substructure
Date Posted:
By
  • David Davis
  • David Williams
  • William Lundberg
  • Kyle Ninness
  • Scott Gage
Tags:
  • island circuit for road crossing
  • signals
  • track circuit shunt
Date Posted:
By
  • Xinggao Shu
  • David Davis
  • Rafael Jimenez
  • Muhammad Akhtar
Tags:
  • frog foundations
  • frog running surface profiles
  • turnouts and special trackwork
Date Posted:
By
  • Richard Joy
  • Lucy Tunna
  • Duane Otter
  • Dingqing Li
Tags:
  • Bridges
  • continuous welded rail
Date Posted:
By
  • Duane Otter
  • David Davis
Tags:
  • bridge
  • impact loads
  • meter joint
  • movable bridge
  • rail joint
  • rail profile
  • Special Trackwork
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