T/UNP 705-2025 Active Group standards

T/UNP 705-2025 Technical Specifications for the Maintenance of Cracks in Urban Asphalt Road Pavements

T/UNP 705-2025

Publish Date: 2025-05-28 Implement Date: 2025-05-28 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/UNP 705-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2025-05-28

Implement Date: 2025-05-28

Scope

Main technical content: This standard specifies the requirements for materials, construction, inspection, and acceptance of crack maintenance for urban asphalt road pavements. Regarding materials, the performance indicators of heating-type sealants and crack-sealing adhesives are stipulated. During construction, heating-type sealants need to control the temperature and prepare well, and there are two types of application methods: groove-free and groove-sealing. For crack-sealing adhesives, it is necessary to ensure the pavement conditions. During acceptance, the deviation rate of the adhesive joints and the width of the sealing layer after the application of the two materials are inspected to ensure the quality of the construction. It is applicable to the construction and acceptance of crack maintenance for urban asphalt road pavements.