EN ISO 12236:2026
(Main)Geosynthetics - Static puncture test (CBR test) (ISO 12236:2026)
Geosynthetics - Static puncture test (CBR test) (ISO 12236:2026)
This document specifies a method for the determination of the puncture resistance by measuring the force required to push a flat-ended plunger through geosynthetics.
The test is normally carried out on dry specimens conditioned in the specified atmosphere.
The test is applicable to most types of geosynthetic products, but does not apply to products with apertures greater than 10 mm.
Geokunststoffe - Stempeldurchdrückversuch (CBR-Versuch) (ISO 12236:2026)
Dieses Dokument legt ein Verfahren zur Bestimmung des Durchdrückwiderstandes durch Messung der benötigten Kraft beim Durchdrücken eines stumpfen Stempels durch Geokunststoffe fest.
Die Prüfung wird üblicherweise mit trockenen Messproben durchgeführt, die in dem festgelegten Klima konditioniert wurden.
Die Prüfung ist auf die meisten Produkte aus Geokunststoffen anwendbar, gilt jedoch nicht für Produkte mit Öffnungen größer als 10 mm.
Géosynthétiques - Essai de poinçonnement statique (essai CBR) (ISO 12236:2026)
Le présent document spécifie une méthode de détermination de la résistance au poinçonnement des géosynthétiques par mesurage de la force requise pour enfoncer un poinçon plat au travers de géosynthétiques.
L'essai est normalement réalisé sur des éprouvettes sèches conditionnées dans l'atmosphère spécifiée.
L'essai s'applique à la plupart des produits géosynthétiques mais n'est pas applicable aux produits présentant des ouvertures supérieures à 10 mm.
Geosintetike – Statični prebojni preskus z žigom (preskus CBR) (ISO/FDIS 12236:2026)
General Information
- Status
- Published
- Publication Date
- 19-May-2026
- Technical Committee
- CEN/TC 189 - Geotextiles and geotextile-related products
- Drafting Committee
- CEN/TC 189 - Geotextiles and geotextile-related products
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 20-May-2026
- Completion Date
- 20-May-2026
Relations
- Effective Date
- 22-Jan-2023
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
- Effective Date
- 27-May-2026
Overview
EN ISO 12236:2026 specifies a standardized method for determining the static puncture resistance of geosynthetics using the CBR (California Bearing Ratio) test. Published by CEN and adopting ISO 12236:2026, this standard is crucial for evaluating the mechanical robustness of geosynthetic products by measuring the force required for a flat-ended plunger to penetrate the material. The procedure is generally conducted on dry specimens that have been conditioned under specified atmospheric conditions to ensure consistent and reproducible results. The method is suitable for most geosynthetic product types, except those with apertures larger than 10 mm.
Key Topics
- Puncture Resistance Testing: The core focus is on assessing the force needed to push a flat-ended plunger through geosynthetic specimens. This helps establish the product's resistance to static puncture, providing an important metric for product selection and quality control.
- Test Conditions: Specimens are conditioned in a standard atmosphere (20 ± 2°C and 65 ± 5% relative humidity) before testing. Proper conditioning ensures reliability and repeatability of test results.
- Applicability: The test covers most geosynthetic materials, such as geotextiles and related products, but excludes those with aperture sizes larger than 10 mm.
- Test Procedure:
- The material is clamped securely to avoid slippage.
- A standard plunger is driven at a constant rate through the specimen.
- Key data collected include the push-through force and the displacement observed at failure.
- Reporting: Results are reported with key details such as atmospheric conditions, material identification, test results (mean force, coefficient of variation), and any procedural deviations.
Applications
Static puncture testing per EN ISO 12236:2026 is widely used in various civil engineering, construction, and environmental applications. It provides essential data for:
- Product Selection: Stakeholders in infrastructure projects (e.g., roads, railways, embankments) utilize puncture resistance values to select appropriate geosynthetic materials for filtration, separation, protection, or reinforcement.
- Quality Control: Manufacturers implement this standard to monitor product consistency and compliance, ensuring geosynthetics meet mechanical performance requirements.
- Research and Development: The method serves as a benchmark for developing new geosynthetic materials and evaluating the effects of different manufacturing methods or raw materials on puncture resistance.
- Regulatory Compliance: Specifiers and authorities reference EN ISO 12236:2026 in technical specifications and procurement documents to ensure that products meet international standards.
- Risk Management: Construction professionals use puncture resistance data in the design phase to minimize the risk of geosynthetic failure due to penetration by aggregate, sharp objects, or installation stresses.
Related Standards
For comprehensive geosynthetics testing and specification, consider these associated standards:
- ISO 9862: Geosynthetics - Sampling and preparation of test specimens
- ISO 10320: Geosynthetics - Identification on site
- ISO 554: Standard atmospheres for conditioning and/or testing
- ISO 7500-1: Metallic materials - Calibration and verification of static uniaxial testing machines
These related documents provide detailed procedures for sampling, identification, equipment calibration, and environmental controls, complementing the requirements of EN ISO 12236:2026 and supporting best practices in geosynthetics testing.
Keywords: EN ISO 12236:2026, geosynthetics, static puncture test, CBR test, puncture resistance, geotextile testing, geosynthetic products, standardization, mechanical testing, construction materials, quality control, infrastructure, civil engineering standards.
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Frequently Asked Questions
EN ISO 12236:2026 is a draft published by the European Committee for Standardization (CEN). Its full title is "Geosynthetics - Static puncture test (CBR test) (ISO 12236:2026)". This standard covers: This document specifies a method for the determination of the puncture resistance by measuring the force required to push a flat-ended plunger through geosynthetics. The test is normally carried out on dry specimens conditioned in the specified atmosphere. The test is applicable to most types of geosynthetic products, but does not apply to products with apertures greater than 10 mm.
This document specifies a method for the determination of the puncture resistance by measuring the force required to push a flat-ended plunger through geosynthetics. The test is normally carried out on dry specimens conditioned in the specified atmosphere. The test is applicable to most types of geosynthetic products, but does not apply to products with apertures greater than 10 mm.
EN ISO 12236:2026 is classified under the following ICS (International Classification for Standards) categories: 59.080.70 - Geotextiles. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 12236:2026 has the following relationships with other standards: It is inter standard links to EN ISO 12236:2006, EN 13253:2000, EN 13257:2016, EN 13362:2005, EN 13265:2000, EN 13249:2000, EN 15381:2008, EN 13254:2000, EN 13493:2005, EN 13253:2014+A1:2015, EN 13492:2013, EN 13251:2000, EN 13250:2014, EN 13250:2014+A1:2015, EN 13256:2016. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN ISO 12236:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN ISO 12236:2024
01-julij-2024
Geosintetike – Statični prebojni preskus z žigom (preskus CBR) (ISO/DIS
12236:2024)
Geosynthetics - Static puncture test (CBR test) (ISO/DIS 12236:2024)
Geokunststoffe - Stempeldurchdrückversuch (CBR-Versuch) (ISO/DIS 12236:2024)
Géosynthétiques - Essai de poinçonnement statique (essai CBR) (ISO/DIS 12236:2024)
Ta slovenski standard je istoveten z: prEN ISO 12236
ICS:
59.080.70 Geotekstilije Geotextiles
oSIST prEN ISO 12236:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN ISO 12236:2024
oSIST prEN ISO 12236:2024
DRAFT
International
Standard
ISO/DIS 12236
ISO/TC 221
Geosynthetics — Static puncture
Secretariat: BSI
test (CBR test)
Voting begins on:
Géosynthétiques — Essai de poinçonnement statique (essai CBR)
2024-06-04
Voting terminates on:
ICS: 59.080.70
2024-08-27
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 12236:2024(en)
oSIST prEN ISO 12236:2024
DRAFT
ISO/DIS 12236:2024(en)
International
Standard
ISO/DIS 12236
ISO/TC 221
Geosynthetics — Static puncture
Secretariat: BSI
test (CBR test)
Voting begins on:
Géosynthétiques — Essai de poinçonnement statique (essai CBR)
ICS: 59.080.70 Voting terminates on:
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2024
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
CH-1214 Vernier, Geneva
NOTIFICATION OF ANY RELEVANT PATENT
Phone: +41 22 749 01 11
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 12236:2024(en)
ii
oSIST prEN ISO 12236:2024
ISO/DIS 12236:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus . 2
6 Specimens. 4
7 Conditioning . 4
8 Procedure . 5
9 Recording, calculation and expression of results . 5
9.1 Recording of data .5
9.2 Calculation and expression of results .5
10 Test report . 6
iii
oSIST prEN ISO 12236:2024
ISO/DIS 12236:2024(en)
Foreword
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