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Testing of State Roadside Safety Systems. Volume 11. Appendix J. Crash Testing and Evaluation of Existing Guardrail Systems; Final rept. Nov 89-Aug 95
| 题名： | Testing of State Roadside Safety Systems. Volume 11. Appendix J. Crash Testing and Evaluation of Existing Guardrail Systems; Final rept. Nov 89-Aug 95 |
| 作者： | Mak, K. K.; Bligh, R. P.; Menges, W. L. |
| 关键词： | Traffic safety; Crash tests; Guardrails; Evaluation; Impact tests; Highway bridges; Transitions; Median barriers; Guardrail ends; Roadside hazards; Terminals; Guidelines |
| 摘要： | The purpose of this study is to creash test and evaluate new or modified roadside safety hardware and, where necessary, redesign the devices to improve their impact performance. The three major areas addressed within this study are the impact performance of bridge railings, transitions from guardrails to bridge railings, and end treatments for guardrails and median barriers. This report pesents the results of a series of crash tests conducted on existing guardrail systems with the 2000P test vehicle (i.e., a 2000-kg (4409-lb) pickup truck) in accordance with guidelines set forth in NCHRP Report 350. Results of the crash tests indicated that the cable (G1), box-beam (G3), W-beam, strong-wood-post (G4(2W)), and the modified thrie-beam guardrail systems performed satisfactorily under test level 3 conditions (i.e. at a nominal impact speed and angle of 100 km/h (62.2 mi/h) and 25 degrees). The W-beam, strong-steel-post (G4(1S)), and the thrie-beam (G9) guardrail systems failed to perform satsifactorily under test level 3 conditions. the W-beam, weak-post (G2) guardrail system failed to perform satisfactorily under test level 3 conditions, but performed satisfactorily under test level 2 conditions (i.e., at a nominal impact speed and angle of 70 km/h (43.5 mi/h) and 25 degrees). |
| 总页数： | 206p |
| 报告类型： | 科技报告 |
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