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Subballast Considerations for Heavy Axle Load Trackage
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TD95-028
December 1, 1995
Authors
David Read
Dingqing Li
Tags
12-inch ballast
39-ton axle load operation
6-inch subballast layers
FAST®
free water
geometry degradation
Low Track Modulus (LTM)
low-strength clay subgrade
structural granular layers
subgrade deformation
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Subballast Considerations for Heavy Axle Load Trackage
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