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- W646140290 abstract "Recent track substructure-related research at the Transportation Technology Center in Pueblo, Colorado, has focused on providing more durable and economic track surfacing techniques and methods of stabilizing track over soft subgrade. In a limited amount of testing, design lift tamping appears to yield a significantly longer lasting vertical track surface compared to conventional methods. This technique, used in a spot tamping mode, has been demonstrated to provide a potentially large cost savings. The 2 track stabilization techniques being tested are asphalt underlayment and Geoweb, both in the sub-ballast layer. These remedial methods will be assessed based on the improvement in stability of track geometry over a 700-foot section of track with a soft clay subgrade. Further, these tests will provide much needed information for a design approach for their use." @default.
- W646140290 created "2016-06-24" @default.
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- W646140290 date "1998-01-01" @default.
- W646140290 modified "2023-09-26" @default.
- W646140290 title "TRACK SUBSTRUCTURE RESEARCH AT TTCI" @default.
- W646140290 hasPublicationYear "1998" @default.
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