Contents
1 General provision
2 Terms and symbols
2.1 Terms
2.2 Symbols
3 General requirements
3.1 Principle of design
3.2 Environmental type and action grade
3.3 Design service life
3.4 Material requirements
3.5 Structure specification
3.6 Additional requirement for construction quality
4 General environment
4.1 General requirements
4.2 Environmental action grades
4.3 Thickness of material and protective layer
5 Freeze-thaw environment
5.1 General requirement
5.2 Environmental action grades
5.3 Thickness of material and protective layer
6 Chloride Environment
6.1 General requirements
6.2 Environmental action grades
6.3 Thickness of material and protective layer
7 Chemical corrosion environment
7.1 General requirement
7.2 Environmental action grades
7.3 Thickness of material and protective layer
8 Post-tensioning prestressed concrete structure
8.1 General requirements
8.2 Protection of prestressing tendons
8.3 Anchored end protection
8.4 Additional requirement for structure and construction quality
Appendix A Durability Limit State of Concrete Structure Design
Appendix B Adoption of the Concrete Raw Material
Appendix C Air Content and Void Spacing Factor of Air-entrained Concrete
Appendix D Measuring Methods for Durability Parameter of Concrete Durability Parameter and Corrosive Ion
Explanation of Wording in this code
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