DB32/T 4648-2024
Technical Specifications for Maintenance of Highway Steel Girder Bridges (English Version)

Standard No.

DB32/T 4648-2024

Language

Chinese, Available in English version

Release Date

2024

Published By

Jiangsu Provincial Standard of the People's Republic of China

Latest

DB32/T 4648-2024

Scope

This document specifies the basic provisions, inspection, assessment and treatment of highway steel girder bridge maintenance technology. This document is applicable to the maintenance of steel plate girder bridges, steel truss bridges, steel box girder bridges and other similar bridge steel main beams.

DB32/T 4648-2024 Referenced Document

• CB/Z 67 Technology requirements of carbon arc-air gouging
• DB32/T 3644 Specifications for detection, evaluation and maintenance of fatigue cracks in steel box girders of highway bridges
• DB32/T 3820 Specifications for preventive maintenance of steel box girders of highway bridges
• GB 51367 Design Standards for Steel Structure Reinforcement
• GB/T 8923 Rust grades and preparation grades of steel surfaces before application of paints and related products
• JT/T 722 Technical conditions for anti-corrosion coating of highway bridge steel structures
• JTG/T H21 Standards for Technical Condition Evaluation of Highway Bridges
• JTG/T J21 Specification for Inspection and Evaluation of Load-bearing Capacity of Highway Bridges
• JTG/T J22 Specincations for Strengthening Design of Highway Bridges
• JTG/T J23 Technical Specincations for Strengthening Construction of Highway Bridges

DB32/T 4648-2024 history

• 2024 DB32/T 4648-2024 Technical Specifications for Maintenance of Highway Steel Girder Bridges

Standard and Specification