Geotextiles and geotextile-related products - Strength of internal structural junctions - Part 1: Geocells (ISO 13426-1:2019)

This document describes index test methods for the determination of the strength of internal structural junctions of geocells under different loading conditions.

Geotextilien und geotextilverwandte Produkte - Festigkeit produktinterner Verbindungen - Teil 1: Geozellen (ISO 13426-1:2019)

Dieses Dokument beschreibt Indexprüfverfahren zur Bestimmung der Festigkeit produktinterner Verbin-dungen an Geozellen unter verschiedenen Belastungsbedingungen.

Géotextiles et produits apparentés - Résistance des liaisons de structures internes - Partie 1: Géosynthétiques alvéolaires (ISO 13426-1:2019)

Le présent document décrit des méthodes d'essai d'index pour la détermination de la résistance des liaisons de structure des géosynthétiques alvéolaires dans différentes conditions de chargement.

Geotekstilije in geotekstilijam sorodni proizvodi - Moč notranjih gradbenih spojev - 1. del: Geocelice (ISO 13426-1:2019)

Ta standard opisuje indeksne preskusne metode za določanje moči notranjih gradbenih spojev geocelic pri različnih pogojih obremenitve.

General Information

Status
Published
Publication Date
03-Dec-2019
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
04-Dec-2019
Completion Date
04-Dec-2019

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SLOVENSKI STANDARD
SIST EN ISO 13426-1:2020
01-februar-2020
Nadomešča:
SIST EN ISO 13426-1:2003

Geotekstilije in geotekstilijam sorodni proizvodi - Moč notranjih gradbenih spojev -

1. del: Geocelice (ISO 13426-1:2019)

Geotextiles and geotextile-related products - Strength of internal structural junctions -

Part 1: Geocells (ISO 13426-1:2019)

Geotextilien und geotextilverwandte Produkte - Festigkeit produktinterner Verbindungen

- Teil 1: Geozellen (ISO 13426-1:2019)

Géotextiles et produits apparentés - Résistance des liaisons de structures internes -

Partie 1: Géosynthétiques alvéolaires (ISO 13426-1:2019)
Ta slovenski standard je istoveten z: EN ISO 13426-1:2019
ICS:
59.080.70 Geotekstilije Geotextiles
SIST EN ISO 13426-1:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 13426-1:2020
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SIST EN ISO 13426-1:2020
EN ISO 13426-1
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2019
EUROPÄISCHE NORM
ICS 59.080.70 Supersedes EN ISO 13426-1:2003
English Version
Geotextiles and geotextile-related products - Strength of
internal structural junctions - Part 1: Geocells (ISO 13426-
1:2019)

Géotextiles et produits apparentés - Résistance des Geotextilien und geotextilverwandte Produkte -

liaisons de structures internes - Partie 1: Festigkeit produktinterner Verbindungen - Teil 1:

Géosynthétiques alvéolaires (ISO 13426-1:2019) Geozellen (ISO 13426-1:2019)
This European Standard was approved by CEN on 3 November 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 13426-1:2019 E

worldwide for CEN national Members.
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SIST EN ISO 13426-1:2020
EN ISO 13426-1:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 13426-1:2020
EN ISO 13426-1:2019 (E)
European foreword

This document (EN ISO 13426-1:2019) has been prepared by Technical Committee ISO/TC 221

"Geosynthetics" in collaboration with Technical Committee CEN/TC 189 “Geosynthetics” the secretariat

of which is held by NBN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by June 2020, and conflicting national standards shall be

withdrawn at the latest by June 2020.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 13426-1:2003.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 13426-1:2019 has been approved by CEN as EN ISO 13426-1:2019 without any

modification.
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SIST EN ISO 13426-1:2020
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SIST EN ISO 13426-1:2020
INTERNATIONAL ISO
STANDARD 13426-1
Second edition
2019-11
Geotextiles and geotextile-related
products — Strength of internal
structural junctions —
Part 1:
Geocells
Géotextiles et produits apparentés — Résistance des liaisons de
structures internes —
Partie 1: Géosynthétiques alvéolaires
Reference number
ISO 13426-1:2019(E)
ISO 2019
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SIST EN ISO 13426-1:2020
ISO 13426-1:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 13426-1:2020
ISO 13426-1:2019(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Principle ........................................................................................................................................................................................................................ 2

4.1 General ........................................................................................................................................................................................................... 2

4.2 Method A — Tensile shear test (Figure 1) ...................................................................................................................... 2

4.3 Method B — Peeling test (Figure 2) ..................................................................................................................................... 2

4.4 Method C1 and C2 — Splitting test (Figure 3 a and b) ......................................................................................... 3

4.5 Method D1 and D2 — Local overstressing test [Figure 4 a) and b)] ........................................................ 5

5 Conditioning of specimens ......................................................................................................................................................................... 6

6 Test specimens........................................................................................................................................................................................................ 6

7 Apparatus ..................................................................................................................................................................................................................... 6

7.1 Tensile testing machine ................................................................................................................................................................... 6

7.2 Clamps ............................................................................................................................................................................................................ 7

8 Test procedure ........................................................................................................................................................................................................ 7

9 Measurements ......................................................................................................................................................................................................... 7

9.1 General ........................................................................................................................................................................................................... 7

9.2 Method A — Tensile shear ............................................................................................................................................................ 8

9.3 Method B — Peeling ........................................................................................................................................................................... 8

9.4 Method C — Splitting ........................................................................................................................................................................ 8

9.5 Method D — Local overstressing ............................................................................................................................................ 8

10 Test report ................................................................................................................................................................................................................... 8

Bibliography .............................................................................................................................................................................................................................10

© ISO 2019 – All rights reserved iii
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SIST EN ISO 13426-1:2020
ISO 13426-1:2019(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 221, Geosynthetics.

This second edition cancels and replaces the first edition (ISO 13426-1:2003), which has been

technically revised. The main changes compared to the previous edition are as follows:

— Clauses 2, 5, 6, 7, 8 and all the figures have been technically revised.
A list of all parts in the ISO 13426 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2019 – All rights reserved
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SIST EN ISO 13426-1:2020
ISO 13426-1:2019(E)
Introduction

Geocells are geotextile-related products composed of single strips interconnected in several possible

ways (extrusion, thermal bonding, gluing, hot melt, stitching, etc.) to form a panel of adjacent cells,

where generally the contact between two elements occurs along lines or in specific points, and not

uniformly on the whole surface. These lines or points are referred to as "junctions".

A geocell junction can fail in four different ways:

1) by shear (see Figure 1): when failure is caused by a force parallel to the junction itself;

2) by peeling or delamination (see Figure 2): when failure is caused by a force, normal to the junction,

which separates the cells from each other at one edge of the junction;
3) by splitting (see Figure 3):
...

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