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
  • Huimin Wu
  • Scott Cummings
Tags:
  • chamfer
  • turnouts and special trackwork switch point protector
  • wheel climb
By
  • Dingqing Li
  • Rafael Jimenez
  • Jay Baillargeon
  • Luis Maal
Tags:
  • heavy axle loads (HAL)
By
  • Tariq Abuhamdia
  • Brad Hopkins
  • Mehdi Ahmadian
  • Saied Taheri
  • David Davis
Tags:
  • broken rail detection
  • onboard track defect detection
  • safety and environment
By
  • James Cline
  • Arian Bonetto
  • Tony Sultana
Tags:
  • defective bearings
  • hot bearing detectors (HBD)
By
  • Duane Otter
Tags:
  • inspections
  • monitoring systems
  • repairs
  • steel bridge spans
  • stress state reduction
By
  • Harry Tournay
  • Muhammad Akhtar
  • Sabri Cakdi
  • Kenny Morrison
Tags:
  • guel savings gains
  • reductions in curve resistance
  • revenue service tests
By
  • Harry Tournay
  • Muhammad Akhtar
  • Sabri Cakdi
  • Kenny Morrison
Tags:
  • balance-to-cant deficiency conditions
  • cant conditions
  • effect of superelevation on vehicle/track interaction
By
  • Harry Tournay
  • Sabri Cakdi
  • Shawn Trevithick
  • Kenny Morrison
Tags:
  • curves
  • vehicle/track interaction conditions surperelevation
  • wheel/rail forces
By
  • Michael McHenry
  • Michael Brown
  • Joseph LoPresti
Tags:
  • ballast
  • ballast gradation surfaces
  • concrete ties
  • crosstie
  • heavy axle load (HAL)
  • matrix based tactile surface sensors (MBTSS)
  • University of Kentucky study
By
  • Matthew Witte
  • Daniel Carter
  • Lucas Welander
Tags:
  • cracked wheel detection Long Range Acoustic Device (LRAD) acoustic energy
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