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TRANSITIONS FROM GUARDRAIL TO BRIDGE RAIL THAT MEET SAFETY PERFORMANCE REQUIREMENTS.
| 题名： | TRANSITIONS FROM GUARDRAIL TO BRIDGE RAIL THAT MEET SAFETY PERFORMANCE REQUIREMENTS. |
| 作者： | Buth-CE; Menges-WL; Mak-KK; Bligh-RP |
| 关键词： | Bridge-railings; Guardrails-; Impact-tests; NCHRP-Report-350; Thrie-beams; Transitions-Guardrail-to-bridge-rail; Tubular-structures; W-beams |
| 摘要： | Three guardrail-to-bridge rail transitions were developed and subjected to full-scale crash tests. The transitions were (a) a nested W-beam with W-beam rub rail that transitioned from a W-beam guardrail to a vertical concrete parapet bridge rail, (b) a nested thrie-beam that transitioned from a W-beam guardrail to a tubular steel bridge rail, and (c) a tubular steel transition that transitioned from a weak-post box-beam guardrail to a tubular steel bridge rail. The nested W-beam and the tubular steel transitions were tested and met NCHRP Report 350 Test Level (TL)-3 requirements. The nested thrie-beam transition was tested and met TL-4 requirements. |
| 总页数： | Transportation Research Record. 2000. (1720) pp30-43 (Phots., Figs., 5 Ref.) |
| 报告类型： | 科技报告 |
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