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
  • David Davis
  • Phil Geil
  • Richard Reiff
Tags:
  • crosstie failure modes
  • crossties & fasteners
  • plastic composite crossties
Date Posted:
By
  • Duane Otter
  • Brian Doe
Tags:
  • double nuts
  • HAL
  • locking clips
  • threaded fastener adhesive
Date Posted:
By
  • Duane Otter
  • Brian Doe
Tags:
  • ballast curbs
  • Bridges
  • degradation
  • lateral restrainers
Date Posted:
By
  • Daniel Carter
Tags:
  • bolster
  • handheld
  • knuckle casting inspection
  • side frame
  • vehicle inspection
Date Posted:
By
  • Dingqing Li
  • Abe Meddah
  • William GeMeiner
  • Steve Mattson
Tags:
  • Bridges
  • Crossties and Fasteners
  • heavy axle loads (HAL)
  • Vehicle/Track Dynamics
Date Posted:
By
  • Keping Hou
  • Randy Thompson
  • William Lundberg
  • Benjamin Madrill
  • Huimin Wu
Tags:
  • conformality
  • contact angle
  • contact position
  • contact stress
  • exception report
  • Rail Materials/ Inspection/Maintenance
  • rolling contact fatigue (RCF)
  • rolling radius difference (RRD)
  • TLV
  • track testing
  • Wheels/Maintenance
  • WRCI
Date Posted:
By
  • David Davis
  • Muhammad Akhtar
Tags:
  • turnouts and special trackwork
  • Vehicle/Track Performance and Costing Models
Date Posted:
By
  • Richard Reiff
Tags:
  • Wheel Rail Lubrication
Date Posted:
By
  • Dingqing Li
  • James Holder
  • Dwight Clark
Tags:
  • Crossties and Fasteners
  • heavy axle loads
  • tie model
  • track maintenance planning
  • Vehicle/Track Performance and Costing Models
Date Posted:
By
  • Muhammad Akhtar
  • Duane Otter
  • Brian Doe
Tags:
  • bolted connection
  • bridge joint
  • fatigue
  • impact
  • lateral brace
  • steel bridge
  • stresses
  • welded connection
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