1. Scope
This part of GB/T 19472 specifies the definitions, symbols, abbreviations, materials, classification and marking of product as well as structure, connection mode, technical requirements, test methods, inspection rules, marking, transportation and storage of pipes for polyethylene (hereafter referred to as “PE”) double wall corrugated pipes for underground usage.
This part is applicable to PE double wall corrugated pipe used for underground drainage and communication sleeve with long-term temperature not greater than 45℃, it may also be used for industrial water drainage and sewage pipe.
2. Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 1033-1986 Test Method for Density and Relative Density of Plastics (eqv ISO/DIS 1183: 1984)
GB/T 1040-1992 Plastics - Determination of Tensile Properties
GB/T 2828-1987 Sampling Procedures and Tables for Lot-by-lot Inspection by Attributes (Apply to Inspection of Successive Lots or Batches)
GB/T 2918-1998 Plastics - Standard Atmospheres for Conditioning and Testing (idt ISO 291: 1997)
GB/T 3682-2000 Determination of the Melt Mass-flow Rate (MFR) and the Melt Volume-flow Rate (MVR) of Thermoplastics (idt ISO 1133: 1997)
GB/T 6111-2003 Thermoplastics Pipes for the Conveyance of Fluids - Resistance to Internal Pressure - Test Method (idt ISO 1167: 1996)
GB/T 8806-1988 Method for Dimension Measuring of Plastic Pipes (eqv ISO 3126: 1974)
GB/T 9341-2000 Plastics - Determination of Flexural Properties (idt ISO 178: 1993)
GB/T 14152-2001 Thermoplastics Pipes - Determination of Resistance to External Blows - Round-the-clock Method (eqv ISO 3127: 1994)
GB/T 17391-1998 Test Method for Thermal Stability of Polyethylene Pipes and Fittings (eqv ISO/TR 10837: 1991)
GB/T 18042-2000 Thermoplastics Pipes - Determination of Creep Ratio (eqv ISO 9967: 1994)
GB/T 9647-2003 Thermoplastics Pipes - Determination of Ring Stiffness (idt ISO 9969: 1994)
ISO 13968: 1997 Plastics Piping and Ducting Systems - Thermoplastics Pipes - Determination of Ring Flexibility
HG/T 3091-2000 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage Pipelines - Specification for Materials
Contents
Foreword I
1. Scope
2. Normative References
3. Definitions, Symbols and Abbreviations
4. Materials
5. Classification and Marking of Product
6. Structure and Connection Method of Pipe
7. Technical Requirements
8. Test Methods
9. Inspection Rules
10. Marking, Transportation and Storage
Appendix A (Informative) Flexural Modulus and Tensile Strength Performance Requirements of Material
Appendix B (Normative) Sealing Test Method for Elastic Seal Ring Joint
