Standard No.:	CECS 143-2002
English Name:	Specification for structural design of buried premade concrete round pipeline of water supply and sewerage engineering
Chinese Name:	给水排水工程埋地预制混凝土圆形管管道结构设计规程
Chinese Classification:	P40    Water supply and draining engineering in general
Professional Classification:	CECS    Engineering Construction Standard
Source Content Issued by:	CECS
Issued on:	2002-12-25
Implemented on:	2003-3-1
Status:	superseded
Superseded by:	T/CECS 143-2022
Superseded on:	2022-12-1
Target Language:	English
File Format:	PDF
Word Count:	8000 words
Translation Price(USD):	200.0
Delivery:	via email in 1 business day

1.0.1 The standard is formulated with review to implement the national technical and economic policies in the structural design of buried premade concrete round pipeline for water supply and sewerage works, and to make the design to be of state-of-art technology, economy and rationality, safety and usability, and quality guarantee. 1.0.2 The standard is applicable to the structural designs of buried premade non-pressure concrete or inner pressure concrete fluting construction or by-hand advance non-fluting construction for water supply and sewerage works in city, town, public utilities and industrial enterprises; it is not applicable to the structural design of water supply and sewerage works with special purposes in industrial enterprises. 1.0.3 This standard is formulated according to the principle specified in the current national standard "Code for Structural Design of Pipelines for Water Supply and Sewerage Work" GB 50332. 1.0.4 As for buried premade concrete round pipeline for water supply and sewerage works built in the regions with special conditions like seismic region , collapsible loess or swelling soil, and permanently frozen soil, the structural design hereof shall meet the provisions in the relative current national standards, besides this standard. 1.0.5 If the project is designed according to this standard, the member section Calculation and the foundation design shall meet the provisions in "Code for Design of Concrete Structures" GB 50010 and "Code for Design of Building Foundation" GB 50007.

1 General Provisions 2 Main Symbols 2.0.1 Load and effect on pipeline 2.0.2 Material property 2.0.3 Geometric parameter 2.0.4 Coefficients 3 Material 3.1 Concrete 3.2 Rebar 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 pseud permanent value coefficient 5 Basic Design Provision 5.1 General Provisions 5.2 Computational rules for bearing capacity limit state 5.3 Computational rules for normal use limit state 6 Pipeline structural design calculation 7 Pipeline Joint 7.1 General Provisions 7.2 Ferro-cement Mortar Mopping Belt Joint 7.3 Cast-in-situ lantern ring Joint 7.4 Rubbers Joint for Rabbet Joint Pipe 7.5 Socket pipe joint 7.6 Double-socket pipe joint 7.7 Steel Socket Pipe Joint 8 Structure Requirement 8.1 Pipe Joint Processing 8.2 Engineering and Construction Appendix A: Max crack width of reinforced concrete rectangular section under bending or eccentric compression (Pull) state Appendix B: Standard value of vertical earth pressure on pipe top Appendix C: Standard value of the Surface car load on pipeline Appendix D: Internal force Coefficients of round rigid pipes under different bearing condition, and load actions Wording Explanations in this standard