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
  • Rafael Jimenez
  • David Davis
Tags:
  • plastic ties
  • tie/rail fastening systems
Date Posted:
By
  • David Davis
  • Adric Eckstein
  • Seth Lambrecht
  • David Dillard
Tags:
  • insulated joints (IJ)
  • Rail Joints
  • tapered joint (TJ)
Date Posted:
By
  • Muhammad Akhtar
  • Duane Otter
  • Brian Doe
Tags:
  • bending
  • bracing
  • fatigue
  • girder
  • lateral force
  • steel bridge
Date Posted:
By
  • Muhammad Akhtar
  • David Davis
Tags:
  • insulated joints
  • low impact joint
Date Posted:
By
  • David Read
  • Andrew Kish
Tags:
  • continuous welded rail
  • CWR maintenance
  • longitudinal rail stress
  • rail neutral temperature
Date Posted:
By
  • David Read
  • Andrew Kish
Tags:
  • continuous welded rail
  • CWR maintenance
  • longitudinal rail stress
  • rail neutral temperature
Date Posted:
By
  • Harry Tournay
  • Ronald Lang
  • Travis Wolgram
Tags:
  • center bowl binding
  • eccentric truck rotation
  • sidewall contact
  • truck performance detectors (TPD)
  • warp state
Date Posted:
By
  • Joseph Kristan
  • Joseph LoPresti
  • Gregory Garcia
Tags:
  • electric flash butt (EFB) welds
  • FAST®
  • gas metal arc weld (GMAW)
Date Posted:
By
  • Benjamin Madrill
  • Brian Doe
  • Joseph LoPresti
Tags:
  • AAR Load limits
  • freight operation
  • net to tar ratio
  • track maintenance costs
Date Posted:
By
  • Richard Reiff
  • Kevin Conn
  • Dingqing Li
Tags:
  • curving forces
  • friction control
  • TOR
  • wayside based top of rail
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