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Track-Related Research - Direct-Fixation Track Design Specifications, Research, and Related Material
Track-Related Research - Direct-Fixation Track Design Specifications, Research, and Related Material
Report Number: R-071 Volume 6
This report provides guidance on the design and construction of direct-fixation track systems. Part A includes sections describing track-design principles and material-evaluation methods for direct-fixation fasteners and tracks, as well as  example specifications and commentary for direct-fixation fasteners, direct-fixation fastener qualificationa and production tests, direct-fixation tact construction, and materials used in direct-fixation applications.  Part B of the report provides data, evaluations, field reviews, and analyses of direct-fixation fasteners from a variety of sources to understand their characteristics and proper applications more fully.

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