JT/T 646.2-2025 Active Industry standards-Traffic

JT/T 646.2-2025 Road sound barriers - Part 2: Material technical requirements and testing methods

Publish Date: 2025-08-29 Implement Date: 2025-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JT/T 646.2-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Baseline standards and general methods

ICS Name: Road transport

Publish Date: 2025-08-29

Implement Date: 2025-12-01

Publisher: 交通运输部

Technical Committee: 交通运输环境保护标准化技术委员会

Development Information

Same series standard

JT/T 646.1-2025 Road sound barriers - Part 1: General technical requirements JT/T 646.4-2025 Road Sound Barrier - Part 4: Full Enclosure Sound Barrier Technical Requirements

Replace the following standards

JT/T 646.4-2016 Highway Sound Barrier - Part 4: Acoustic Material Technical Requirements and Test Methods

Related Standards

GB/T 5655-1985 Abolished

GB/T 5655-1985 Common terms of urban public transport

Publish Date: 1985-11-22

GB/T 5845.10-1986 Replaced

GB/T 5845.10-1986 Marks for urban public transport—Marks for prohibition and general

Publish Date: 1986-02-08

GB/T 5845.11-1986 Replaced

GB/T 5845.11-1986 Marks for urban public transport—Stop board of bus and trolleybus and tramcar

Publish Date: 1986-02-08

GB/T 5845.1-1986 Replaced

GB/T 5845.1-1986 Marks for urban public transport—General mark for public transport

Publish Date: 1986-02-08

GB/T 5845.12-1986 Abolished

GB/T 5845.12-1986 Marks for urban public transport—Stop board for light rail rapid transit

Publish Date: 1986-02-08

GB/T 5845.2-1986 Replaced

GB/T 5845.2-1986 Marks for urban public transport—Mark for bus

Publish Date: 1986-02-08