Safety Grates for Cross Drainage Structures.

Author(s)
Sicking, D.L. Reid, J.D. Bielenberg, R. Faller, R.K. Rohde, J. & Polivka, K.A.
Year
Abstract

This paper presents findings of an investigation of the safety performance of culvert safety grates recommended by the AASHTO Roadside Design Guide (RDG) when installed on slopes as steep as 3:1. LS-DYNA modeling was used to identify critical impact conditions for roadside culvert grates installed on 3:1 slopes. Two full-scale vehicle crash tests were conducted under the NCHRP Report No. 350 guidelines on a 6.4-m (21-ft) x 6.4-m (21-ft) culvert safety grate installed on a 3:1 slope. The full-scale crash tests demonstrated that the AASHTO RDG recommended safety grates provide acceptable safety performance when installed on 3:1 slopes.

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Publication

Library number
C 44303 (In: C 43862 CD-ROM) /22 / ITRD E842617
Source

In: Compendium of papers CD-ROM 87th Annual Meeting of the Transportation Research Board TRB, Washington, D.C., January 13-17, 2008, 19 p.

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