ISO INTERNATIONAL STANDARD 22282-1 First edition 2012-06-01 Geotechnical investigation and testing Geohydraulic testing - Part 1: General rules Reconnaissance et essais géotechniques Essais géohydrauliques - Partie 1: Regles génerales Reference number ISO 22282-1:2012(E) ISO @ISO2012 No reproduction or networking permitted without license from IHS Not for Resale ISO 22282-1:2012(E) COPYRiGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 - All rights reserved or networking permitted without license from IHS Not for Resale ISO 22282-1:2012(E) Contents Page Foreword ..iv Introduction 1 Scope 2 Normative references 3 Terms, definitions and symbols 3.1 Terms and definitions. 3.2 Symbols 4 Equipment 4.1 General 4.2 Test section support system. 5 4.3 Measuring tube 4.4 Isolationofthetestsection 4.5 Measuring and recording devices 4.6 Additional equipment. 6 4.7 Calibration... 6 5 Planning of geohydraulic investigation and testing. 6 5.1 General.... 5.2 Selection of testing locations 5.3 Selection of test procedure . 6 Preparation of the test section and installation of equipment. 14 6.1 Requirements for drilling and the test sections 14 6.2 Installationoffilter.. 15 6.3 Checking installation.. 15 6.4 Safety requirements .. 15 6.5 Decommissioning . 15 6.6 Factors influencing the test results 16 Annex A (informative) Examples of possible test section isolation and support methods .18 Annex B (informative) Examples of shape factors .. Bibliography. .26 ili ed without license from IHS Not for Resale