T/HNQA 031-2026 Active Group standards

T/HNQA 031-2026 Technical specification for quality control of asphalt on expressways

Publish Date: 2026-01-01 Implement Date: 2026-01-15 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: T/HNQA 031-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Road construction materials

Publish Date: 2026-01-01

Implement Date: 2026-01-15

Scope

This document is applicable to new construction, modification and expansion, and maintenance projects of asphalt pavements on highways. This document stipulates the requirements for quality control, quality inspection, reporting, and result processing of road petroleum asphalt and SBS modified asphalt used on highways.