GB/T 31439.1-2025

Active

Corrugated 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

Standard Type
GBT
ICS
93.080.30
CCS
P66
Status
现行
Issue Date
2025-08-29
Implementation
2026-03-01
Responsible Dept
国家标准委
Drafting Unit
N/A