GB50840-2012矿浆管线施工及验收规范（英文版）

A.4 Reinspection

A.3 Macro metallographic and hardness tests

A.2 V-notch Charpy Impact Toughness Test

A.1 General

Appendix A Qualification of Welding Procedures

15 Engineering Handover and Acceptance

14 Safety and Environment

13.3 Cathodic Protection

13.2 Erosion Protection

13.1 Makers，Posts and Piles Burial

13 Pipeline Auxiliary Engineering

12.3 Pipeline Hydrotest

12.2 Pipeline Pigging and Gauging

12.1 General Provision

12 Pipeline Pigging，Gauging and Hydrotesting

11 Crossings

10.3 Repairing and Joint Coating for Anticorrosion Pipeline

10.2 Pipeline Anticorrosion

10.1 General Provision

10 Anticorrosion，Repairing and Joint Coating of Pipeline

9.2 Pipeline Trench Backfilling

9.1 Pipeline Lowering-In

9 Pipeline Lowering-In and Trench Backfilling

8.11 Acceptance Standards of Welds

8.10 Joint Identification

8.9 Tie-In Welding

8.8 Repair and Removal of Defects

8.7 Welding

8.6 Remove the Lineup Clamp

8.5 Preheat Temperature and Interpass Temperature

8.4 Alignment

8.3 Preparation for Welding

8.2 Weather Conditions

8.1 General

8 Pipeline Welding and Acceptance

7.4 Pipeline Trench Accepetance

7.3 Pipeline Trench Excavation

7.2 Geometric Size of Pipeline Trench

7.1 General Provision

7 Pipeline Trench

6 Stringing

5.3 Acceptance and storage

5.2 Loading，Unloading and Transportation of Anticorrosion Pipe

5.1 General Provisions

5 Material and Pipeline Accessory Acceptance

4.3 Right-of-Way Clearance

4.2 Surveying

4.1 General Provision

4 Surveying and ROW Clearance

3 Basic Requirement

2 Terms

1 General Provisions

Foreword

Announcement of Ministry of Housing and Urban-Rural Development of the People’s Republic of China

版权信息

封面

封面

版权信息

Announcement of Ministry of Housing and Urban-Rural Development of the People’s Republic of China

Foreword

1 General Provisions

2 Terms

3 Basic Requirement

4 Surveying and ROW Clearance

4.1 General Provision

4.2 Surveying

4.3 Right-of-Way Clearance

5 Material and Pipeline Accessory Acceptance

5.1 General Provisions

5.2 Loading，Unloading and Transportation of Anticorrosion Pipe

5.3 Acceptance and storage

6 Stringing

7 Pipeline Trench

7.1 General Provision

7.2 Geometric Size of Pipeline Trench

7.3 Pipeline Trench Excavation

7.4 Pipeline Trench Accepetance

8 Pipeline Welding and Acceptance

8.1 General

8.2 Weather Conditions

8.3 Preparation for Welding

8.4 Alignment

8.5 Preheat Temperature and Interpass Temperature

8.6 Remove the Lineup Clamp

8.7 Welding

8.8 Repair and Removal of Defects

8.9 Tie-In Welding

8.10 Joint Identification

8.11 Acceptance Standards of Welds

9 Pipeline Lowering-In and Trench Backfilling

9.1 Pipeline Lowering-In

9.2 Pipeline Trench Backfilling

10 Anticorrosion，Repairing and Joint Coating of Pipeline

10.1 General Provision

10.2 Pipeline Anticorrosion

10.3 Repairing and Joint Coating for Anticorrosion Pipeline

11 Crossings

12 Pipeline Pigging，Gauging and Hydrotesting

12.1 General Provision

12.2 Pipeline Pigging and Gauging

12.3 Pipeline Hydrotest

13 Pipeline Auxiliary Engineering

13.1 Makers，Posts and Piles Burial

13.2 Erosion Protection

13.3 Cathodic Protection

14 Safety and Environment

15 Engineering Handover and Acceptance

Appendix A Qualification of Welding Procedures

A.1 General

A.2 V-notch Charpy Impact Toughness Test

A.3 Macro metallographic and hardness tests

A.4 Reinspection