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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1,148 Technology Digests

Date Posted:
By
  • Richard Reiff
  • Joy Cooke
  • Scott Gage
Tags:
  • measure rail friction at track inspection speeds
Date Posted:
By
  • Carmen Trevizo
Tags:
  • 100 MGT
  • gage restraint
  • gage widening
  • standard suspension trucks
  • track maintenance requirements
  • track safety
Date Posted:
By
  • David Davis
  • Richard Reiff
  • Joy Cooke
  • Semih Kalay
Tags:
  • alternative low-impact crossing diamond concept
  • load measuring wheel sets
Date Posted:
By
  • Fred Carlson
Tags:
  • signal propagation
  • stopping distances
  • uniform braking forces
Date Posted:
By
  • Huimin Wu
  • David Read
Tags:
  • response variables: car body torsional stiffness
  • track alignment (tangent or curve)
  • track geometry
  • truck spacing
  • wheel/rail friction coefficient
Date Posted:
By
  • Richard Reiff
  • David Davis
  • Wayne Stadler
  • Semih Kalay
Tags:
  • advanced crossing diamond program
  • control circuits
  • locomotive wheel slip
  • various locomotive types
Date Posted:
By
  • Fred Carlson
Tags:
  • benefits to extended wheel life
  • preliminary results
Date Posted:
By
  • Jon Hannafious
Tags:
  • fatigue
  • head hardened rails
  • revenue service tests
  • wear performance
Date Posted:
By
  • Dingqing Li
  • William Shust
  • Semih Kalay
Tags:
  • Automated inspection methods
  • optimum lateral axle load
  • TLV
Date Posted:
By
  • Dingqing Li
  • William Shust
  • Semih Kalay
Tags:
  • optimum lateral axle load
  • TLV
  • Updated--automated inspection methods
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