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Title: TRIPLE T: TRUCK THRIE BEAM TRANSITION
Accession Number: 00714993
Record Type: Component
Availability: Find a library where document is available Abstract: The Truck Thrie Beam Transition (Triple T), an 813-mm (32-in.) thrie beam transition, was developed under a recently completed pooled funds study. The study involved 23 states, the District of Columbia, and the Federal Highway Administration. The Triple T was crash-tested according to Performance Level 2 (PL2) requirements of the 1989 AASHTO guide. The transition performed acceptably after modifications were made to the end terminal connection. For testing, the 813-mm (32-in.) transition was attached to the end of the vertical-faced concrete parapet bridge railing. The Triple T is acceptable for use on other PL2 bridge railings if suitable attachment to the bridge railing (such as the modified end terminal connector) is used.
Supplemental Notes: This paper appears in Transportation Research Record No. 1500, Geometric Design, Roadside Safety Features, Roadside Hardware Monitoring, and Scenic Loop Tours. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
Monograph Title: Geometric design, roadside safety features, roadside hardware monitoring, and scenic loop tours Monograph Accession #: 01399820
Language: English
Authors: Menges, Wanda LButh, C EugeneMcDevitt, Charles FPagination: p. 70-79
Publication Date: 1995
Serial: Features: Figures
(8)
; Photos
(42)
; References
(5)
; Tables
(2)
TRT Terms: Uncontrolled Terms: Subject Areas: Design; Highways; Research; Safety and Human Factors; I85: Safety Devices used in Transport Infrastructure
Files: TRIS, TRB
Created Date: Dec 26 1995 12:00AM
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