Safety Performance Testing of a Modified Oregon Multidirectional Slip-Base Sign Support: FOIL Test Numbers 98F002 and 98F004
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1998-10-01
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By Brown, C. M.
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Edition:Test report, Jan 1998
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Abstract:This report contains the test procedures, test setup, and test results from two crash tests performed at the Federal Outdoor Impact Laboratory (FOIL) located at the Turner-Fairbank Highway Research Center (TFHRC) in McLean, Virginia. The objective of these tests was to evaluate the safety performance of a small sign support system provided by the Oregon Department of Transportation (DOT) and to provide Federal Highway Administration (FHWA) finite element model simulation engineers with data on the performance of a slip-base sign support. Previous tests on large Oregon slip-base sign supports conducted at the FOIL demonstrated an improvement in safety performance by increasing the previous bolt-notch angle from 60 degrees and 90 degrees. The change was implemented into a small slip-base sign support design and tested at the FOIL. This report documents the results from two crash tests using the FOIL bogie vehicle and the Oregon Dot's 3X3 TBB sign support. The tests were conducted at nominal test speeds of 35km/h and 100km/h. The sign support met the FHWA safety erformance criteria outlines in National Cooperative Highway Research (NCHRP) report number 350.
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