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
  • Kenneth Rownd
  • Darrell Iler
Tags:
  • advanced freight car truck
  • auto parts
  • ride quality
  • truck performance
Date Posted:
By
  • Randy Thompson
  • Dingqing Li
  • Previn Marquez
Tags:
  • cone penetrometer
  • CPT
  • TLV
  • track loading vehicle
  • track modulus
  • track strength
  • vertical
Date Posted:
By
  • Gerald Anderson
Tags:
  • acoustic bearing detection
  • loose cones
  • raceway brinelling
  • raceway spalling
  • roller bearing defects
  • roller bearing inspection
  • water etch
Date Posted:
By
  • W. Larson
  • Joseph LoPresti
  • Randy Thompson
Tags:
  • Dynamic Gage Widening
  • Gage Strength
  • gage widening
  • HAL
  • Loaded Gage
  • TLV
  • Track Degradation
  • Wide Gage
Date Posted:
By
  • Rafael Jimenez
  • Joseph LoPresti
  • Luis Maal
  • J. Rzonca
  • David Davis
Tags:
  • crossties
  • cut spikes
  • fastener holding power
  • screw spikes
  • synthetic tie plugging
Date Posted:
By
  • Darrell Iler
  • Russell Walker
Tags:
  • CCSB
  • constant contact side bearings
  • long travel
  • roller side bearings
Date Posted:
By
  • Frederick Lawrence
  • J. Cyre
  • Christopher Barkan
  • Joseph Kristan
Tags:
  • cold laps
  • fatigue life
  • flank angle
  • flashing
  • stress concentration
  • thermite welds
  • weld collar
Date Posted:
By
  • David Davis
  • Charity Sasaoka
  • Don Guillen
Tags:
  • crossing diamond
  • frog design
  • frog materials
  • special track work
Date Posted:
By
  • Charity Sasaoka
  • David Davis
  • Don Guillen
  • Satya Singh
Tags:
  • guardrails
Date Posted:
By
  • Huimin Wu
  • Joseph LoPresti
  • Kenneth Rownd
  • Curtis Urban
Tags:
  • eccentric loading
  • improved suspension trucks
  • primary suspension pads and installation
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