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TESTING OF STATE ROADSIDE SAFETY SYSTEMS. VOLUME II: APPENDIX A - CRASH TEESTING AND EVALUATION OF A MICHIGAN THRIE-BEAM TRANSITION DESIGN

King K. Mak, Wanda L Menges

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Abstract

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 conducted on a Michigan thrie-beam transition design in accordance with guidelines set forth in NCHRP Report 230. The crash test (test no. 471470-1) involved a 2043 kg (4500-lb) passenger car traveling at a nominal speed and angle of 96.5 km/h (60 mi/h) and 25 degrees. The transition design was judged to have satisfactorily met all evaluation criteria set forth in NCHRP Report 230. This volume is the second in a series of 14 volumes for the final report.

About this research paper

What this paper is about

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 conducted on a Michigan thrie-beam transition design in accordance with guidelines set forth in NCHRP Report 230. The crash test (test no. 471470-1) involved a 2043 kg (4500-lb) passenger car traveling at a nominal speed and angle of 96.5 km/h (60 mi/h) and 25 degrees. The transition design was judged to have satisfactorily met all evaluation criteria set forth in NCHRP Report 230. This volume is the second in a series of 14 volumes for the final report.

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Available abstract

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 conducted on a Michigan thrie-beam transition design in accordance with guidelines set forth in NCHRP Report 230. The crash test (test no. 471470-1) involved a 2043 kg (4500-lb) passenger car traveling at a nominal speed and angle of 96.5 km/h (60 mi/h) and 25 degrees. The transition design was judged to have satisfactorily met all evaluation criteria set forth in NCHRP Report 230. This volume is the second in a series of 14 volumes for the final report.

Key concepts: Crash, Crash test, Bridge (graph theory), Engineering, Beam (structure), Volume (thermodynamics), Test (biology), Traffic volume

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TESTING OF STATE ROADSIDE SAFETY SYSTEMS. VOLUME II: APPENDIX A - CRASH TEESTING AND EVALUATION OF A MICHIGAN THRIE-BEAM TRANSITION DESIGN — Research Paper | ScholarLens