United States Department of Transportation
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Evaluation of Design Analysis Procedures and Acceptance Criteria for Roadside Hardware, Volume II: The Effect of Soil Strength on Longitudinal Barrier Performance
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1987-07-31
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By Ray, M. H.
[PDF-2.60 MB]
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Abstract:This research was conducted to identify and investigate aspects of NCHRP Report 230 which require additional technical research. This report deals with five broad areas of concern: (1) the importance and effect of soil conditions on the dynamic performance of barriers, (2) methods for re-evaluating pre-Report 230 test results in light of the current Report 230 criteria, (3) linking the occupant risk factor to "real-world" accident cases, (4) assessing the potential hazards of the redirected vehicle, and (5) replacement of the 4500-lb test car.
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