中华人民共和国住房和城乡建设部公告

前言

1　总则

2　术语和符号

• 2.1　术语

• 2.2　符号

3　保温管及管件

• 3.1　一般规定

• 3.2　保温计算

4　管道布置与敷设

• 4.1　管道布置

• 4.2　管道敷设

• 4.3　管道附件与设施

5　管道应力验算

• 5.1　一般规定

• 5.2　管壁厚度计算

• 5.3　直管段应力验算

• 5.4　直管段局部稳定性验算

• 5.5　管件应力验算

• 5.6　管道竖向稳定性验算

• 5.7　热伸长计算

6　固定墩设计

• 6.1　管道对固定墩和固定支架的作用

• 6.2　固定墩结构

7　管道施工与验收

• 7.1　施工

• 7.2　管道试验和清洗

• 7.3　试运行

• 7.4　竣工验收

8　运行与维护

附录A　全国主要城市地温月平均值

附录B　钢材性能

附录C　转角管段弹性抗弯铰解析计算法

• C.1　直埋水平转角管段计算

• C.2　直埋竖向转角管段计算

附录D　固定墩和固定支架承受的推力计算

附录E　直埋保温管预热安装

本规程用词说明

引用标准名录

1 General Provisions

2 Terms and Symbols

• 2.1 Terms

• 2.2 Symbols

3 Pre-insulated Bonded Pipe and Fitting

• 3.1 General Requirements

• 3.2 Insulation Calculation

4 Arrangement and Installation of Pipes

• 4.1 Arrangement of Pipes

• 4.2 Installation of Pipes

• 4.3 Fittings and Accessories

5 Stress Checking of Pipes

• 5.1 General Requirements

• 5.2 Calculation of Wall Thickness

• 5.3 Stress Checking of Straight Pipe

• 5.4 Local Buckling Checking of Straight Pipe

• 5.5 Stress Checking of Fittings

• 5.6 Vertical Stability Analysis of Straight Pipe

• 5.7 Calculation of Thermal Expansion

6 Design of Fixing Support

• 6.1 Action fromPipeline

• 6.2 Fixing Support Structure

7 Construction and Acceptance of Pipes

• 7.1 Construction

• 7.2 Test and Purging of Pipes

• 7.3 Trial Operation

• 7.4 Engineering Acceptance

8 Operation and Maintenance

Appendix A M ean Monthly Soil Temperature for Cities

Appendix B Steel Properties

Appendix C Elastic Bending Hinge Analytic Method of Bending Pipe

Appendix D Calculation of Thrust on Fixing Support

AppendixE Pre-insulated Bonded PipePreheating Installation

Explanation of Wording in This Code

List of Quoted Standards