GB/T 31439.2-2025 Active National standards

GB/T 31439.2-2025 Corrugated sheet steel beams for road guardrail—Part 2:Thrie-beam guardrail

GB/T 31439.2-2025 Corrugated sheet steel beams for road guardrail—Part 2:Thrie-beam guardrail

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 31439.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Highway engineering

ICS Name: Road equipment and devices

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 36 pages

Scope

This document specifies the naming, composition, models, specifications, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage requirements for three-wave beam steel guardrails.
This document is applicable to the production and inspection of all components of three-wave beam steel guardrails.

Development Information

Word Count: 52 Thousand words Pages: 36 pages

Same series standard

GB/T 31439.1-2025 Corrugated sheet steel beams for road guardrail—Part 1:W-beam guardrail

Replace the following standards

GB/T 31439.2-2015 Corrugated sheet steel beams for road guardrail—Part 2:Thrie-beam gurdrail

Referenced Standards

GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 700-2006 Carbon structural steels GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts GB/T 3103.3-2020 Tolerances for fasteners—Plain washers GB/T 6728-2002 Cold formed steel hollow sections for general structure—Dimensions,shapes,weight and permissble deviations GB/T 6728-2017 Cold forming hollow sectional steel for general structure GB/T 6728-2025 Cold forming sectional steel for general structure GB/T 18226-2000 Specification for steel components anticorrosion of highway traffic engineering appurtenances GB/T 18226-2015 Specification for steel component anticorrosion of highway engineering GB/T 18226-2025 Specification for steel component anticorrosion of highway traffic engineering GB/T 31439.1-2025 Corrugated sheet steel beams for road guardrail—Part 1:W-beam guardrail

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