Guardrail and guardrail terminals installed over curbs : phase II
Title:
Guardrail and guardrail terminals installed over curbs : phase II
Author:
Polivka, Karla A.
Publication Information:
Lincoln, Neb. : Midwest Roadside Safety Facility, University of Lincoln-Nebraska ; [Springfield, Va. : Available through the National Technical Information Service, 2001]
Physical Description:
viii, 61 p. : ill. ; 28 cm.
Series:
MwRSF research report ; no. TRP-03-105-00
MwRSF research report ; no. TRP-03-105-00.
General Note:
Cover title.
"November 5, 2001."
Contents:
Introduction -- Literature review -- Test requirements and evaluation criteria -- Guardrail over curb design -- Test conditions -- Crash test no. 2 -- Summary and conclusions -- Recommendations -- References -- Appendix A: Accelerometer data analysis, test NEC-2 -- Appendix B: Rate transducer data analysis, test NEC-2.
Abstract:
A barrier system was developed for installation where W-beam is placed over curbs. The guardrail design was constructed with two 2.66-mm (12-gauge) thick nested W-beam rails totaling 26.67 m in length. The nested W-beam rail was supported by fifteen W152 x 13.4 steel posts, each measuring 1,830 mm long. Post spacings were 1.905 mm on center. The concrete curb was a type "G" curb that measured 203 mm wide x 102 mm high x 19.05 m long. The research study included full-scale vehicle crash testing, using a 3/4-ton pickup truck.
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