BS EN ISO BRITISH STANDARD 22476-12:2009 Geotechnical investigation and testing Field testing Part 12: Mechanical cone penetration test (CPTM) (IS0 22476-12:2009) ICS 93.020 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSENISO22476-12:2009 National foreword This British Standard is the UK implementation of EN ISO 22476-12:2009. The UK participation in its preparation was entrusted to Technical Committee B/526/3, Site investigation and ground testing. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard Amendments/corrigendaissuedsincepublication was published under the authority ofthe Standards Policy and Strategy Date Comments Committee on 31 October 2009. C BSI 2009 ISBN9780 580 54688 4 EUROPEANSTANDARD EN ISO 22476-12 NORMEEUROPEENNE EUROPAISCHENORM May 2009 ICS 93.020 English Version Geotechnicalinvestigationandtesting-Fieldtesting-Part12: Mechanical cone penetration test (CPTM) (ISO 22476-12:2009) Reconnaissance et essais geotechniques - Essais en place Geotechnische Erkundung und Untersuchung - - Partie 12: Essai de penetration statique au cone a pointe Felduntersuchungen - Teil 12: Drucksondierungen mit mecanique (ISO 22476-12:2009) mechanischen Messwertaufnehmern (iSO 22476-12:2009) This European Standard was approved by CEN on 16 April 2009. 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 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEENDE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG Management Centre:Avenue Marnix17,B-1000 Brussels @2009CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 22476-12:2009: E worldwide for CEN national Members. BSENISO22476-12:2009 ENISO22476-12:2009 (E) Foreword This document (EN ISO 22476-12:2009)has been prepared byTechnical Committee CEN/TC341 "Geotechnical Investigation and Testing” the secretariat of which is held by ELOT, in collaboration with TechnicalCommitteeISO/TC182"Geotechnics". text or by endorsement, at the latest by November 20o9, and conflicting national standards shall be withdrawn atthelatestbyNovember2009 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,Poland, Portugal, Romania, Slovakia, Slovenia, Spain Sweden, Switzerland and the United Kingdom. BSENISO22476-12:2009 ISO 22476-12:2009(E) Contents Page Foreword. iv Introduction. 1 Scope 2 Normative references.... 3