T/UNP 780-2025 Active Group standards

T/UNP 780-2025 Specification for identification and remediation of construction quality defects in reinforced concrete structural works

Publish Date: 2025-07-23 Implement Date: 2025-07-23 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 780-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The comprehensive construction industry

Publish Date: 2025-07-23

Implement Date: 2025-07-23

Scope

This standard specifies the basic requirements for the identification and remediation of construction quality defects in reinforced concrete structures, including defect classification and determination, identification procedures and methods, and remediation technical requirements; it clarifies the types of quality defects such as honeycomb and rough surface and their identification methods, involving visual inspection and tapping detection; it classifies defect levels and provides determination standards, and also details the remediation technical measures and procedures for different levels of defects. The appendix analyzes the causes of defects and is applicable to related structural engineering in industrial and civil buildings.