EN ISO 22476-1:2023

Geotechnical investigation and testing - Field testing - Part 1: Electrical cone and piezocone penetration test (ISO 22476-1:2022)

EN ISO 22476-1:2023

Name:EN ISO 22476-1:2023   Standard name:Geotechnical investigation and testing - Field testing - Part 1: Electrical cone and piezocone penetration test (ISO 22476-1:2022)
Standard number:EN ISO 22476-1:2023   language:English language
Release Date:10-Jan-2023   technical committee:CEN/TC 341 - Geotechnical Investigation and Testing
Drafting committee:CEN/TC 341/WG 2 - Cone and piezocone penetration tests   ICS number:93.020 - Earthworks. Excavations. Foundation construction. Underground works

SLOVENSKI STANDARD
01-maj-2023
Nadomešča:
SIST EN ISO 22476-1:2013
SIST EN ISO 22476-1:2013/AC:2013
Geotehnično preiskovanje in preskušanje - Preskušanje na terenu - 1. del:
Konusni penetracijski preizkus z ali brez merjenja pornih tlakov (ISO 22476-1:2022)
Geotechnical investigation and testing - Field testing - Part 1: Electrical cone and
piezocone penetration test (ISO 22476-1:2022)
Geotechnische Erkundung und Untersuchung - Felduntersuchungen - Teil 1:
Drucksondierungen mit elektrischen Messwertaufnehmern und Messeinrichtungen für
den Porenwasserdruck (ISO 22476-1:2022)
Reconnaissance et essais géotechniques - Essais en place - Partie 1: Essais de
pénétration au cône électrique et au piézocône (ISO 22476-1:2022)
Ta slovenski standard je istoveten z: EN ISO 22476-1:2023
ICS:
93.020 Zemeljska dela. Izkopavanja. Earthworks. Excavations.
Gradnja temeljev. Dela pod Foundation construction.
zemljo Underground works
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 22476-1
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2023
EUROPÄISCHE NORM
ICS 93.020 Supersedes EN ISO 22476-1:2012, EN ISO 22476-
1:2012/AC:2013
English Version
Geotechnical investigation and testing - Field testing - Part
1: Electrical cone and piezocone penetration test (ISO
22476-1:2022)
Reconnaissance et essais géotechniques - Essais en Geotechnische Erkundung und Untersuchung -
place - Partie 1: Essais de pénétration au cône Felduntersuchungen - Teil 1: Drucksondierungen mit
électrique et au piézocône (ISO 22476-1:2022) elektrischen Messwertaufnehmern und
Messeinrichtungen für den Porenwasserdruck (ISO
22476-1:2022)
This European Standard was approved by CEN on 30 September 2022.

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, Türkiye 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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 22476-1:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 22476-1:2023) has been prepared by Technical Committee ISO/TC 182
"Geotechnics" in collaboration with Technical Committee CEN/TC 341 “Geotechnical Investigation and
Testing” the secretariat of which is held by BSI.
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 July 2023, and conflicting national standards shall be
withdrawn at the latest by July 2023.
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 22476-1:2012, EN ISO 22476-1:2012/AC:2013.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 22476-1:2022 has been approved by CEN as EN ISO 22476-1:2023 without any
modification.
INTERNATIONAL ISO
STANDARD 22476-1
Second edition
2022-12
Geotechnical investigation and
testing — Field testing —
Part 1:
Electrical cone and piezocone
penetration test
Reconnaissance et essais géotechniques — Essais en place —
Partie 1: Essais de pénétration au cône électrique et au piézocône
Reference number
ISO 22476-1:2022(E)
ISO 22476-1:2022(E)
© ISO 2022
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
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii
ISO 22476-1:2022(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and symbols . 1
3.1 Terms and definitions . 2
3.2 Symbols . 8
4 Equipment .11
4.1 General . 11
4.1.1 Tolerances . 11
4.1.2 Gaps and soil seals . 11
4.2 Cone penetrometer . 11
4.3 Surface roughness and hardness . 11
4.4 Cone .12
4.5 Friction sleeve . 13
4.6 Filter element . 14
4.6.1 General filter location . 14
4.6.2 Pore pressure u . 14
4.6.3 Pore pressure u . 15
4.6.4 Pore pressure u . 15
4.7 Pushrods . 15
4.8 Measuring system . 15
4.8.1 Accuracy . 15
4.8.2 Sensors for cone resistance and sleeve friction. 16
4.8.3 Sensor for pore pressure . 16
4.8.4 Sensor for inclination . 16
4.8.5 Sensor for temperature . 16
4.8.6 Measuring of penetration length . 16
4.8.7 Raw data . 16
4.9 Thrust machine . 17
5 Test procedures .17
5.1 Selection of equipment, procedures and evaluation of results . 17
5.1.1 General . 17
5.1.2 Calibration and verification requirements . 17
5.1.3 Cone penetrometer class conformity assessment . 18
5.2 Position and verticality of thrust machine . 20
5.3 Preparation of the test . 20
5.4 Pushing of the cone penetrometer . 21
5.5 Use of friction-reducing techniques. 21
5.6 Frequency of test data recording . 21
5.7 Registration of penetration length . 21
5.8 Pore pressure dissipation test (PPDT). 22
5.9 Test completion .
...

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