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
  • Matthew Witte
  • Daniel Carter
  • Lucas Welander
Tags:
  • cracked wheel detection Long Range Acoustic Device (LRAD) acoustic energy
Date Posted:
By
  • Daniel Szablewski
  • Joseph LoPresti
Tags:
  • inspection
  • maintenance
  • materials and structural testing propreties and analysis
  • rail materials
Date Posted:
By
  • Colin Basye
  • Dingqing Li
  • David Read
Tags:
  • ballast degradation
  • ballast materials
  • fines
  • maintenance
  • Section 36
  • track settlement
Date Posted:
By
  • Jay Baillargeon
  • Harry Tournay
Tags:
  • inspection
  • maintenance
  • measurement system
  • Rail Inspection
  • rail materials
  • rolling contact fatigue
Date Posted:
By
  • Jay Baillargeon
  • Harry Tournay
  • Brad Kerchof
Tags:
  • crack depth
  • eddy current
  • inspection
  • maintenance
  • measurement system
  • rail materials
  • rolling contact fatigue
Date Posted:
By
  • Michael McHenry
  • Sirius Roybal
  • Michael Brown
Tags:
  • ballast
  • ballast degradation
  • Ballast Materials/Maintenance
  • ballast-tie interface
  • Crossties and Fasteners
  • heavy axle loads
  • matrix based tactile surface sensors
  • pressure
  • tie
  • track general
Date Posted:
By
  • Jay Baillargeon
  • Daniel Gutscher
  • Dingqing Li
Tags:
  • heavy axle loads
  • premium rail
  • rail life extension
  • revenue service testing
Date Posted:
By
  • Adam Klopp
  • Dana Martin
  • David Davis
Tags:
  • instrumented wheelsets (IWS)
  • truck performance detector (TPD)
  • very heavy axle loads (VHAL)
  • wheel/rail forces
Date Posted:
By
  • Daniel Gutscher
  • Joseph LoPresti
  • Martita Mullen
Tags:
  • HAZ
  • heat affected zone
  • rail welding
  • running surface
  • thermite
Date Posted:
By
  • Daniel Gutscher
  • Joseph LoPresti
Tags:
  • electric flash railhead repair welds
  • fatigue cracks
  • laboratory produced welds
  • rail flaw detection
  • rail welding
  • surface metal flow
  • weld insert
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