CECS 140-2002 in English

1.0.1 This standard was established to ensure the implementation of national technical and economical policy, application of state-of-art technology, economic feasibility, safety, and construction quality in the structural design for buried prestressed concrete pipeline of water supply and sewerage engineering.
1.0.2 This standard is applicable to structural design of buried prestressed concrete pipeline of water supply and sewerage engineering.
1.0.3 This standard was prepared in accordance with principles specified in the current national standard "Structural Design Code for Pipelines of Water Supply and Waste water Engineering" GB 50332.
1.0.4 In addition to this standard, the structural design for prestressed concrete pipelines and prestressed steel cylinder concrete pipelines, which are buried in such special regions as seismic area, collapsible loess area or swelling soil area, shall also meet provisions in the related current national standards.

1 General Provision
2 Major Symbols
3 Materials
3.1 Pipe Core Concrete
3.2 Prestressed Wire
3.3 Steel Cylinder
3.4 Mortar Protective Layer
4 Actions on Pipe Structure
4.1 Action Classification and Action Representative Value
4.2 Standard Value of Permanent Action
4.3 Variable Action Standard Value and Coefficient of Quasi Permanent Value
5 basic Design Provisions
5.1 General Provisions
5.2 Computational Rules for Bearing Capacity Limit State
5.3 Computational Rules for Normal Use Limit State
6 Calculation for Pipeline Structure
6.1 Calculation for Limit State of Bearing Capacity
6.2 Recomputation of Limiting State for Regular Service
7 Provisions on Construction
7.1 Pipeline Body
7.2 Pipeline Foundation and Trench Backfill
7.3 Pipeline Joint
7.4 Pipe Fittings
Appendix A Standard value of the vertical soil pressure on pipe top
Appendix B Standard value of the lateral soil pressure
Appendix C the Standard Value of Action of
Appendix D Conversion Coefficient of Elastic Resistance Moment of Prestressed Concrete Cylinder Pipeline
Appendix E Moment Coefficient of Round Rigid Pipe under Load Action
Explanation of Wording