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TWO TEST LEVEL 4 BRIDGE RAILING AND TRANSITION SYSTEMS FOR TRANSVERSE TIMBER DECK BRIDGES.
| 题名： | TWO TEST LEVEL 4 BRIDGE RAILING AND TRANSITION SYSTEMS FOR TRANSVERSE TIMBER DECK BRIDGES. |
| 作者： | Faller-RK; Ritter-MA; Rosson-BT; Fowler-MD; Duwadi-SR |
| 关键词： | Approach-guardrail-transition-systems; Bridge-railings; Glued-laminated-timber; Impact-tests; Nchrp-Report-350; Performance-evaluations; Safety-; Steel-; Wooden-bridges |
| 摘要： | 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 the Federal Highway Administration, designed two bridge railing and approach guardrail transition systems for use on bridges with transverse glue-laminated (glulam) 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. |
| 总页数： | Conference Title: Fifth International Bridge Engineering Conference. Location: Tampa, Florida. Sponsored by: Transportation Research Board |
| 报告类型： | 科技报告 |
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