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Phase 2 Development of a Bullnose Guardrail System for Median Applications; Final research rept. 1997-98
| 题名： | Phase 2 Development of a Bullnose Guardrail System for Median Applications; Final research rept. 1997-98 |
| 作者： | Bielenberg, B. W.; Faller, R. K.; Sicking, D. L.; Reid, J. D.; Rohde, J. R. |
| 关键词： | Guardrails; Impact tests; Median barrier design; Safety engineering; Highway safety; Guardrail design; Computerized simulation |
| 摘要： | The research study consisted of Phase II of the development and full-scale vehicle crash testing of a bullnose barrier concept for the treatment of median hazards, The bullnose guardrail consisted of a 12-gauge thrie beam rail supported by twenty-two wood posts, eleven posts on each side of the system. Horizontal slots were cut in the valleys of selected thrie beam sections to aid in vehicle capture as well as to reduce the buckling and bending capacities of the rail. Two full-scale crash tests were performed, both using a 2000-kg pickup truck. The first crash test, impacting at a speed of 100.2 km/h and an angle of 0 degrees, was unsuccessful following the rupture of the thrie beam and subsequent uncontrolled penetration of the vehicle behind the barrier. Computer simulaton of the failed test was performed using LS-DYNA. |
| 总页数： | 136p |
| 报告类型： | 科技报告 |
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