A W-beam guardrail system was developed and successfully crash tested for use on a 2:1 foreslope. The guardrail design was constructed with W-beam rails 2.66 mm thick (12 gauge) totaling 53.34 m in length, and it incorporated a half-post spacing section of 17.15 m. The W-beam rail was supported by 15 W150 × 13.5 steel posts 1829 mm long, spaced 1905 mm on center, and 19 W150 × 13.5 steel posts 2134 mm long, spaced 952.5 mm on center. Routed, 150 × 200 × 360 mm wood spacer blockouts were used to block the rail away from each post. The research study included bogie testing on steel posts placed in sloped fill, computer simulation modeling with BARRIER VII, and one full-scale vehicle crash test, using a 2000-kg pickup truck. The test, impacting at a speed of 100.7 km/h and an angle of 28.5 degrees, was conducted and reported in accordance with the Test Level 3 (TL-3) requirements specified in NCHRP Report 350. The safety performance of the W-beam barrier system was determined to be acceptable according to TL-3 criteria.


    Zugriff

    Download

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    W-Beam Guardrail Adjacent to a Slope


    Weitere Titelangaben:

    Transportation Research Record: Journal of the Transportation Research Board


    Beteiligte:


    Erscheinungsdatum :

    01.01.2001




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    W-Beam Guardrail Adjacent to a Slope

    Polivka, Karla A. | Online Contents | 2001


    Midwest Guardrail System Adjacent to a 2:1 Slope

    Polivka, Karla A. / Sicking, Dean L. / Faller, Ronald K. et al. | Transportation Research Record | 2008


    Midwest Guardrail System Adjacent to a 2:1 Slope

    Polivka, Karla A. | Online Contents | 2008


    Approach Guardrail Transition for Single-Slope Concrete Barriers

    Faller, Ronald K. / Soyland, Ketil / Sicking, Dean L. | Transportation Research Record | 1996