Two Test Level 4 Bridge Railing and Transition Systems for Transverse Timber Deck Bridges

The Midwest Roadside Safety Facility, in cooperation with the Forest Products Laboratory, which is part of the U.S. Department of Agriculture’s Forest Service, and FHWA, designed two bridge railing and approach guardrail transition systems for use on bridges with transverse glue-laminated timber dec...

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Bibliographic Details
Published in:Transportation research record 2000, Vol.1696 (1), p.334-351
Main Authors: Faller, Ronald K., Ritter, Michael A., Rosson, Barry T., Fowler, Michael D., Duwadi, Sheila R.
Format: Article
Language:English
Subjects:
Applied sciences
Bridges
Buildings. Public works
Exact sciences and technology
Ground, air and sea transportation, marine construction
Road transportation and traffic
Wood bridges
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Summary:The Midwest Roadside Safety Facility, in cooperation with the Forest Products Laboratory, which is part of the U.S. Department of Agriculture’s Forest Service, and FHWA, designed two bridge railing and approach guardrail transition systems for use on bridges with transverse glue-laminated timber decks. The bridge railing and transition systems were developed and crash tested for use on higher-service-level roadways and evaluated according to the Test Level 4 safety performance criteria presented in NCHRP Report 350: Recommended Procedures for the Safety Performance Evaluation of Highway Features. The first railing system was constructed with glulam timber components, whereas the second railing system was configured with steel hardware. Eight full-scale crash tests were performed, and the bridge railing and transition systems were acceptable according to current safety standards.
ISSN:0361-1981
2169-4052
DOI:10.3141/1696-35