GB/T 35490-2025Coating corrosion control technology for prestressed concrete cylinder pipe (English PDF)

1 Scope

This document specifies the design, coating application, testing and inspection, operation and maintenance, and health management of corrosion control for prestressed steel cylinder concrete pipe coatings.

Health, safety and environmental requirements.

This document applies to corrosion control projects for coatings on newly constructed and in-service prestressed concrete cylinder pipes, including concrete pipes, reinforced concrete pipes, and steel cylinder pipes.

This document serves as a reference for the corrosion control of coatings on cylindrical concrete pipes.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 1266 Sodium Chloride Chemical Reagent

GB/T 1733-1993 Test method for water resistance of paint film

GB/T 1766 Rating Method for Aging of Paint and Varnish Coatings

GB/T 1865-2009 Paints and varnishes - Artificial weathering and artificial radiation exposure - Filtered xenon arc radiation

GB/T 5210-2006 Paints and varnishes - Pull-off adhesion test

GB/T 6682 Specifications and test methods for water used in analytical laboratories

GB 7691 Safety Regulations for Painting Operations - General Rules for Safety Management

GB/T 8923.1 Visual assessment of surface cleanliness of steel before coating - Part 1.Uncoated steel

Rust level and treatment level of steel surface after complete removal of original coating.

GB/T 9265 Determination of Alkali Resistance of Architectural Coatings

GB/T 10125 Corrosion test under artificial atmosphere - Salt spray test

GB/T 11969 Test methods for the performance of autoclaved aerated concrete

GB/T 13288.1 Surface roughness characteristics of steel after blast cleaning following surface treatment before coating - Part 1.For use with

ISO surface roughness comparison test specimens for evaluating the surface roughness of steel after shot blasting.

GB/T 13452.2-2008 Determination of film thickness of paints and varnishes

GB/T 17219 Hygienic Safety Evaluation of Drinking Water Transmission and Distribution Equipment, Protective Materials and Water Treatment Materials

GB 18218 Identification of Major Hazard Installations of Hazardous Chemicals

GB/T 19685-2017 Prestressed Concrete Cylinder Pipe

GB/T 30648.1 Determination of resistance to liquids of paints and varnishes - Part 1.Immersion in liquids other than water

GB 50212 Construction Specification for Corrosion Protection Engineering of Buildings

GB/T 50726 Technical Standard for Corrosion Protection Engineering of Industrial Equipment and Pipelines

GB 55034 General Standard for Safety, Health and Occupational Health at Construction Sites (Building and Municipal Engineering)

GBZ 2.1 Occupational Exposure Limits for Hazardous Factors in the Workplace Part 1.Chemical Hazardous Factors

JGJ/T 46 Technical Standard for Safety of Temporary Power Supply at Construction Sites of Building and Municipal Engineering

GB/T 37707 | GB/T 37589 | GB/T 37309 | GB/T 19824 | GB/T 35499 | […]