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Testing of State Roadside Safety Systems. Volume 4. Appendix C. Crash Testing and Evaluation of a Pennsylvania Transition Design; Final rept. Nov 89-Aug 96
| 题名： | Testing of State Roadside Safety Systems. Volume 4. Appendix C. Crash Testing and Evaluation of a Pennsylvania Transition Design; Final rept. Nov 89-Aug 96 |
| 作者： | Mak, K. K.; Menges, W. L. |
| 关键词： | Traffic safety; Crash tests; Highway bridges; Design; Evaluation; Pennsylvania; Guardails; Impact tests; Median barriers; Performance; Roadside hazards |
| 摘要： | The purpose of this study is to crash 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 in 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 presents the results of a crash test on a transition design by the Commonwealth of Pennsylvania Department of Transportation for use in transitioning from a standard W-beam guardrail to an 813-mm-(32-in-) high concrete safety-shaped bridge rail. The test involved a 2043-kg (4500-lb) passenger car impacting the transition at a nominal speed and angle of 96.5 km/h (60 mi/h) and 25 degrees. Results of the crash test indicated that, although the transition design technically met all evaluation criteria set forth in National Cooperative Highway Research Program (NCHRP) Report 230, the impact performance of this transition design is considered very marginal. It is recommended that the transition design be improved prior to actual field applications. |
| 总页数： | 48p |
| 报告类型： | 科技报告 |
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