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

3　材料验收

4　预制

• 4.1　一般规定

• 4.2　壁板预制

• 4.3　底板预制

• 4.4　浮顶预制

• 4.5　固定顶顶板预制

• 4.6　附件预制

5　组装

• 5.1　一般规定

• 5.2　基础检查

• 5.3　罐底组装

• 5.4　罐壁组装

• 5.5　固定顶组装

• 5.6　浮顶组装

• 5.7　附件安装

6　焊接

• 6.1　一般规定

• 6.2　焊接工艺评定及焊接工艺规程

• 6.3　焊接材料

• 6.4　焊接施工

• 6.5　焊接顺序

• 6.6　修补与返修

7　检查及验收

• 7.1　焊缝的外观检查

• 7.2　焊缝无损检测及严密性试验

• 7.3　罐体几何形状和尺寸检查

• 7.4　充水试验

• 7.5　工程交工

附录A　T形接头角焊缝试件制备和检验

附录B　储罐基础沉降观测方法

附录C　交工验收表格

本规范用词说明

引用标准名录

1 General provisions

2 Terms

3 Material acceptance

4 Prefabrication

• 4.1 General requirement

• 4.2 Shell dlate prefabrication

• 4.3 Bottom plate prefabrication

• 4.4 Floating roof prefabrication

• 4.5 Top plate prefabrication of fixed roof

• 4.6 Accessories prefabrication

5 Assembly

• 5.1 General requirement

• 5.2 Foundation inspection

• 5.3 Tank bottom assembly

• 5.4 Shell plate assembly

• 5.5 Fixed roof assembly

• 5.6 Floating roof assembly

• 5.7 Accessories installation

6 Welding

• 6.1 General requirement

• 6.2 Welding procedure qualification and welding procedure specification

• 6.3 Welding materail

• 6.4 Welding construction

• 6.5 Welding sequence

• 6.6 Repair and rework

7 Inspection and accpetance

• 7.1 Welding seam appearance inspection

• 7.2 Welding seam NDT test and tightness test

• 7.3 Tank geometry and dimension inspection

• 7.4 Hydro-test

• 7.5 Project completion

Appendix A fillet welding seam test specimen preparation and inspection for T-shape joint

Appendix B storage tank foundation settlement observation method

Appendix C Acceptance forms

Explanation of wording in this code