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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1,147 Technology Digests

Date Posted:
By
  • Darrell Iler
  • Russell Walker
Tags:
  • CCSB
  • constant contact side bearings
  • long travel
  • roller side bearings
Date Posted:
By
  • Duane Otter
  • A. Shakoor Uppal
  • Brian Doe
Tags:
  • bridge impact fatigue rating
Date Posted:
By
  • Huseyin Sehitoglu
  • Yanyao Jiang
  • David Davis
Tags:
  • high adhesion locomotives
  • rolling contact fatigue
Date Posted:
By
  • James Robeda
  • Scott Gage
  • Richard Morgan
Tags:
  • machine vision
  • wheel profile measurement system
  • WheelSpec
Date Posted:
By
  • Charity Sasaoka
  • David Davis
  • Satya Singh
  • Don Guillen
Date Posted:
By
  • Charity Sasaoka
  • David Davis
  • Duane Otter
  • Brian Doe
Date Posted:
By
  • David Davis
  • Vincent Terrill
  • Daniel Mesnick
Tags:
  • failure mode analysis
  • literature review
  • mainline switches
  • switch design
  • yard switches
Date Posted:
By
  • Russell Walker
Tags:
  • constant contact side bearings
  • curving
  • NUCARS
  • Stress state
Date Posted:
By
  • A. Shakoor Uppal
  • Dio Yoshino
  • L. Tehini
Tags:
  • FASTĀ® bridge
  • peening
  • UIT
  • Ultrasonic Impact Treatment
  • vertical stiffener welds
  • weld performance
  • weld toes
Date Posted:
By
  • A. Shakoor Uppal
  • Gary Fry
Tags:
  • douglas fir
  • glued laminated
  • heavy axle loads
  • horizontal shear ruptures
  • pulsating loadsRailroad Timber Bridge Stringer Model
  • stringers
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