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GB/T 41827-2022Polyolefin infiltration drainage mesh pipe for civil engineering application (English PDF)

土工用聚烯烃渗排水网状管

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/T 41827-2022 is the English-translated version of 土工用聚烯烃渗排水网状管.

GB/T 41827-2022 covers the polyolefin seepage and drainage mesh pipe used in civil engineering works to collect and carry water away from the ground.

It fixes the material, the structure and the connection method, the classification and marking, the requirements, the inspection rules, the signs, packaging, transport and storage, and describes the matching test methods; the properties it works with include the permeable surface area, the closed drainage surface area, the resulting infiltration-drainage performance and the nominal outside diameter taken over the transverse annular rib.

It applies to the production, inspection and sale of mesh pipe extruded with polyolefin as the main raw material. Among the standards it quotes are GB/T 9647-2015 on ring stiffness, GB/T 3682.1-2018 on melt flow rate and GB/T 19466.6-2009 on oxidation induction time. Issued on 14 October 2022, it has applied since 1 May 2023.

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Document preview — GB/T 41827-2022

National Standard of the People's Republic of China

ICS: 83.140.30
Classification: Y 28

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and Definitions

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

1 Scope

This document specifies the material, structure and connection method, classification and standard Notes, requirements, inspection rules, signs, packaging, transportation and storage, and describe the corresponding test methods.

This document is applicable to the production, inspection and sales of mesh pipes obtained by extrusion molding with polyolefin as the main raw material.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 1033.1-2008 Determination of density of plastics and non-cellular plastics - Part 1: Immersion method, liquid pycnometer method and titration method

GB/T 2828.1 Counting sampling inspection procedure Part 1: Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL)

GB/T 2918 Standard environment for conditioning and testing of plastic specimens

GB/T 3682.1-2018 plastic thermoplastic melt mass flow rate (MFR) and melt volume flow rate (MVR) Determination of Part 1: Standard Methods

GB/T 8806-2008 Determination of dimensions of plastic parts of plastic piping systems

GB/T 9647-2015 Determination of ring stiffness of thermoplastic pipes

GB/T 14153-1993 General rules for drop weight impact test methods of rigid plastics

GB/T 19466.6-2009 Plastic Differential Scanning Calorimetry (DSC) Part 6: Oxidation Induction Time (Isothermal OIT) and Oxygen Determination of chemical induction temperature (dynamic OIT)

3 Terms and Definitions

The following terms and definitions apply to this document.

3.2 The surface area of the closed portion of a partially closed mesh tube

3.1 The surface area of the permeable mesh at the permeable part of the mesh tube

3.3 Seepage drainage performance

Mesh tube storage and drainage capacity characterized by permeable surface area and drainage surface area.

3.4 Nominal outer diameter

The nominal value of the outer diameter dimension of the transverse annular rib of the mesh pipe.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 38725.3-2026|GB/T 43982.2-2026|GB/T 48034-2026|GB/T 48044.1-2026|GB/T 48044.2-2026|GB/T 48044.3-2026

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