GB/T 19685-2005 in English

《GB/T 19685-2005预应力钢筒混凝土管》由TC197（全国水泥制品标准化技术委员会）归口，主管部门为中国建筑材料联合会
本标准规定了预应力钢筒混凝土管（包括配件和异形管）的术语和主要符号、分类、要求、试验方法、检验规则、标志、运输和保管、使用规定和出厂证明书等内容。本标准适用于制造公称内径为400mm至4000mm、管线运行工作压力或静水头不超过2.0MPa、管顶覆土深度不大于10m的预应力钢筒混凝土管。制造超出本标准给定范围的管子时可参照本标准执行。依据本标准制造的管子可用于城市给水排水干管、工业输水管线、农田灌溉、工厂管网、电厂补给水管及冷却水循环系统、倒虹吸管、压力隧道管线及深覆土涵管等。

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