GB/T 31439.1-2025
ActiveCorrugated sheet steel beams for road guardrail—Part 1: W-beam guardrail
波形梁钢护栏 第1部分：两波形梁钢护栏
Application Summary AI generated
This standard specifies the dimensions, material requirements, and performance criteria for W-beam corrugated steel guardrails used in road safety infrastructure. It is applied in the design, manufacturing, and quality inspection of highway and expressway guardrail systems to ensure vehicle containment and impact absorption during collisions. The standard is primarily used by civil engineers, road construction contractors, and regulatory bodies in China for compliance verification and procurement specifications.
Related Standards
GB/T 19813-2005
Solar energy raised pavement markers
GB/T 20149-2006
Road traffic lights - Photometric properties of 200mm roundel signals
GB/T 20907-2007
Technical requirements for automatic fare collection system of urban rail transportation
GB/T 21382-2008
Specification for optical requirements of photoluminescent (phosphorescent) safety marking
GB/T 21383-2008
Coefficient of initial retroreflected luminance of newly applied pavement marking and test method
GB/T 21380-2008
Nighttime photometric performance and test method of retroreflective pedestrian markings
GB/T 22040-2008
Technical requirements and determination of weathering quality for plastics of highway furnatures
GB/T 22486-2008
Urban rail passenger transport service
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.