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Increased Span Length For The Mgs Long-Span Guardrail System, Nicholas A. Weiland
Increased Span Length For The Mgs Long-Span Guardrail System, Nicholas A. Weiland
Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research
Long-span guardrail systems have been recognized as an effective means of shielding low-fill culverts while minimizing construction efforts and limiting culvert damage and repair. The current MGS long-span design provided the capability to span unsupported lengths up to 25 ft (7.6 m) without the use of nested guardrail. The excellent performance of the MGS long-span system in full-scale crash tests suggested that longer span lengths may be possible with the current design.
A detailed analysis of the MGS long-span guardrail system was performed using the finite element software program LS-DYNA®. It was shown that the MGS long-span design …