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Title: DIRECT FIXATION TRACK DESIGN
Accession Number: 00977239
Record Type: Component
Record URL: Availability: Transportation Research Board Business Office 500 Fifth Street, NW Find a library where document is available Abstract: Design principles for direct fixation track must address a wide range of parameters and issues. Described are the basic design principles related to loading and how they are applied for direct fixation track. There is a presentation of the principles and methods for determining loads imposed on fasteners for an application, determining fastener spacing, determining anchor bolt and insert characteristics (shear strength, pullout strength), and implementing the fastener support design. Additionally, design approaches that improve construction with reduced costs, fundamental stipulations that should be included in direct fixation construction specifications, and direct fixation track tolerances (mating tolerances, construction tolerances) are addressed. Although the principles apply to any direct fixation system, the study concentrates on track systems using fully bonded fasteners with elastic rail clips, a common arrangement. A useful reference is proposed for analysis of existing installations as well as new installations.
Supplemental Notes: This paper appears in Transportation Research Record No. 1863, Railroads: High-Speed Passenger Rail, Railway Bridges, and Track Design and Maintenance.
Monograph Title: RAILROADS: HIGH-SPEED PASSENGER RAIL, RAILWAY BRIDGES, AND TRACK DESIGN AND MAINTENANCE Monograph Accession #: 00977233
Language: English
Corporate Authors: Transportation Research Board 500 Fifth Street, NW Authors: Daniels, L EPagination: p. 45-55
Publication Date: 2004
Serial: ISBN: 0309094569
Features: Figures
(10)
; References
(4)
; Tables
(2)
TRT Terms: Uncontrolled Terms: Subject Areas: Design; Highways; Railroads
Files: TRIS, TRB
Created Date: Aug 30 2004 12:00AM
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