TS-4d M 180-1 AASHTO
Standard Specification for
Corrugated Sheet Steel Beams for
Highway Guardrail
AASHTO Designation: M 180-00 (2004)
1. SCOPE
1.1. This specification covers corrugated sheet steel prepared for use as beams in highway guardrails.
1.2. The values stated in SI units are to be regarded as the standard.
2. REFERENCED DOCUMENTS
2.1. AASHTO Standards:
M 120, Zinc
M 232M/M 23