The standard specifies contents such as terms, main symbols, classification, requirement, test method, inspection rules, mark, transportation, storage, usage specification and merchandise certificate related to prestressed concrete cylinder pipe (including fittings and special pipe).
This standard is applicable to prestressed concrete cylinder pipe which nominal bore is 400 mm-4000 mm, pipeline operation pressure does not exceed 2.0 MPa, and covering depth is not greater than 10m. When pipelines, which parameters exceed specifications of this standard, need manufacturing, the manufacturing process could refer to this standard.
Pipes that are manufactured in accordance with this standard can be used in municipal water supply and drain main pipe, industrial waterline, irrigation, factory pipe network, power plant make-up pipe and cooling water circulation system, inverted siphon, pressure tunnel pipeline, deep soil covering culvert pipe and so on.
Contents 2 Foreword 3 Introduction 5 1. Scope 7 2. Normative References 7 3. Terms and Main Symbols 9 3.1 Terms 9 3.2 Main Symbols 11 4 Classifications 11 4.1 Product Classification 11 4.2 Specification and Size 11 4.3 Product Marking 17 5. Raw and Auxiliary Materials 18 6. Pipe Manufacturing Technical Requirement 20 6.1 Product Design 20 6.2 Manufacturing 20 6.3 Quality of the Finished Products 26 6.4 Repair of the Pipe 31 7. Fittings and special pipe 31 7.1 Fittings 31 7.2 Special Pipe 33 7.3 Bend of the Pipeline 34 7.4 Hole-opening and Connecting of the Pipe Body 34 8 Test Methods 34 9 Test rules 36 9.1 Test Classification 36 9.2 Factory Inspection 36 9.3 Type-approval test 38 10 Marking, transportation and preservation 40 11 Application regulations 40 12 Certificate of merchandise 41 Annex A 42 Annex B 42 Annex C 43 Wording Explanation 44
The standard specifies contents such as terms, main symbols, classification, requirement, test method, inspection rules, mark, transportation, storage, usage specification and merchandise certificate related to prestressed concrete cylinder pipe (including fittings and special pipe).
This standard is applicable to prestressed concrete cylinder pipe which nominal bore is 400 mm-4000 mm, pipeline operation pressure does not exceed 2.0 MPa, and covering depth is not greater than 10m. When pipelines, which parameters exceed specifications of this standard, need manufacturing, the manufacturing process could refer to this standard.
Pipes that are manufactured in accordance with this standard can be used in municipal water supply and drain main pipe, industrial waterline, irrigation, factory pipe network, power plant make-up pipe and cooling water circulation system, inverted siphon, pressure tunnel pipeline, deep soil covering culvert pipe and so on.
Contents of GB/T 19685-2005
Contents 2
Foreword 3
Introduction 5
1. Scope 7
2. Normative References 7
3. Terms and Main Symbols 9
3.1 Terms 9
3.2 Main Symbols 11
4 Classifications 11
4.1 Product Classification 11
4.2 Specification and Size 11
4.3 Product Marking 17
5. Raw and Auxiliary Materials 18
6. Pipe Manufacturing Technical Requirement 20
6.1 Product Design 20
6.2 Manufacturing 20
6.3 Quality of the Finished Products 26
6.4 Repair of the Pipe 31
7. Fittings and special pipe 31
7.1 Fittings 31
7.2 Special Pipe 33
7.3 Bend of the Pipeline 34
7.4 Hole-opening and Connecting of the Pipe Body 34
8 Test Methods 34
9 Test rules 36
9.1 Test Classification 36
9.2 Factory Inspection 36
9.3 Type-approval test 38
10 Marking, transportation and preservation 40
11 Application regulations 40
12 Certificate of merchandise 41
Annex A 42
Annex B 42
Annex C 43
Wording Explanation 44
