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
  • David Davis
Tags:
  • austenitic manganese steel frog castings
  • weldings materials & processes
Date Posted:
By
  • Steven Chrismer
Tags:
  • ballast depth
  • ballast hauling
  • ballast renewal by plowing
  • durable ballast
Date Posted:
By
  • Curtis Urban
  • Huimin Wu
Tags:
  • hunting
  • modeling simulations for lateral stability
  • NUCARS
  • truck maintenance
Date Posted:
By
  • Huimin Wu
Tags:
  • Chapter XI tests
  • standard 100-ton three-piece truck
  • variable damped design
  • wedge rise readings
Date Posted:
By
  • G.F. Carpenter
  • T.E. Johnson
Tags:
  • cheek-disc/caliper brake system
  • grade braking horsepowers
  • off-tread braking
Date Posted:
By
  • Thomas Guins
Tags:
  • accident reductions
  • brake/thermal-cased wheel removals
  • equipment utilization
  • train delays
Date Posted:
By
  • Richard Cataldi
  • Dan Steeples
  • Robert Mason
  • Gary Widell
Tags:
  • high-cetane fuel
  • low cetane diesel fuel
  • low-aromatic fuel
  • low-sulfur fuel
  • oxides of nitrogen
  • reductions in particulate matter (PM)
Date Posted:
By
  • David Andersen
  • Jalil Rismantabsany
  • Som Singh
  • Firdausi Irani
Tags:
  • longitudinal coupler force
  • low cost methodology
  • vertical bolster load environment
Date Posted:
By
  • Joseph LoPresti
  • Duane Otter
Tags:
  • 000 lb) and HAL (315
  • 000 lb) cars
  • 100-ton (263
  • high-angle crossings
  • static wheel load
Date Posted:
By
  • Daniel Stone
  • G.F. Carpenter
Tags:
  • brake shoe thermal input
  • dynamometer tests
  • normal brake application
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