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
  • Muhammad Akhtar
  • David Davis
  • Russ Hein
Tags:
  • AREMA No. 24 switch design
  • crossovers
  • lateral forces
  • reduced entry angle
  • Special Trackwork
  • Turnouts
Date Posted:
By
  • David Read
  • Hugh Thompson
  • Wesley Mui
  • Ted Sussman
Tags:
  • and propagation analysis
  • dielectric dispersion
  • ground penetrating radar (GPR)
  • signal scattering
  • track substructure inspection
  • vallast inspection
Date Posted:
By
  • Stephen Dick
  • Duane Otter
  • Curt Mademann
Tags:
  • direct fixation slab track (DFST)
  • heavy axle load (HAL)
  • independent dual block track (IDBT)
  • maintenance
  • track loading vehicle (TLV)
Date Posted:
By
  • Devin Sammon
  • Scott Cummings
  • Tony Sultana
  • Kyle Sheffler
Tags:
  • hose separation force
  • pressurized air hoses
  • standard gaskets
  • undesired emergency brake applications
  • wider glad-hand gaskets
Date Posted:
By
  • Scott Cummings
  • Devin Sammon
Tags:
  • brake shoe force tests
  • brake system
  • wheel temperature tests
Date Posted:
By
  • Daniel Gutscher
Tags:
  • fatigue
  • heavy axle load (HAL)
  • rail welds
Date Posted:
By
  • Daniel Szablewski
  • Joseph LoPresti
  • Devin Sammon
Tags:
  • materials and structural testing properties and analysis
  • rail
Date Posted:
By
  • Devin Sammon
  • Tony Sultana
  • MaryClara Jones
Tags:
  • general and miscellaneous
Date Posted:
By
  • Abe Meddah
  • Daniel Stone
  • Scott Cummings
Tags:
  • neural network
  • railway safety
  • vertical split rim
  • wheel failures
  • wheel life
Date Posted:
By
  • Justin Grass
  • Chris Rapp
  • Marcus Dersch
  • J. Riley Edwards
  • David Lange
Tags:
  • crossties & fasteners
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