DIN EN ISO 22282-6-2012 Geotechnical investigation and testing - Geohydraulic testing - Part 6 Water permeability tests in a borehole using closed systems (ISO 22282-6 2012) German.pdf

1、September 2012Translation by DIN-Sprachendienst.English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).I

2、CS 93.020!$Vi“1915170www.din.deDDIN EN ISO 22282-6Geotechnical investigation and testing Geohydraulic testing Part 6: Water permeability tests in a borehole using closed systems(ISO 22282-6:2012);English version EN ISO 22282-6:2012,English translation of DIN EN ISO 22282-6:2012-09Geotechnische Erkun

3、dung und Untersuchung Geohydraulische Versuche Teil 6: Wasserdurchlssigkeitsversuche im Bohrloch unter Anwendung geschlossenerSysteme (ISO 22282-6:2012);Englische Fassung EN ISO 22282-6:2012,Englische bersetzung von DIN EN ISO 22282-6:2012-09Reconnaissance et essais gotechniques Essais gohydraulique

4、s Partie 6: Essais de permabilit leau dans un forage en tube ferm(ISO 22282-6:2012);Version anglaise EN ISO 22282-6:2012,Traduction anglaise de DIN EN ISO 22282-6:2012-09www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 20 pages08.12 DIN

5、EN ISO 22282-6:2012-09 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 341 “Geotechnical investigation and testing” (Secretariat: ELOT, Greece) in collaboration with Technical Committee ISO/TC 182 “Geotechnics”, Subcommittee SC

6、 1 “Geotechnical investigation and testing”. The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Building and Civil Engineering Standards Committee), Working Committee NA 005-05-11 AA Bohr- und Entnahme-verfahren, Grundwassermessungen (SpA zu CEN/TC 341/WG 1). E

7、UROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM June 2012 ICS 93.020 English Version Geotechnical investigation and testing - Geohydraulic testing - Part 6: Water permeability tests in a borehole using closed systems (ISO 22282-6:2012) Reconnaissance et essais gotechniques - Essais gohydrauliques -

8、 Partie 6: Essais de permabilit leau dans un forage en tube ferm (ISO 22282-6:2012) Geotechnische Erkundung und Untersuchung - Geohydraulische Versuche - Teil 6: Wasserdurchlssigkeitsversuche im Bohrloch unter Anwendung geschlossener Systeme (ISO 22282-6:2012) This European Standard was approved by

9、CEN on 31 May 2012. 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

10、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 notifie

11、d 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,

12、Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Memb

13、ers. Ref. No. EN ISO 22282-6:2012: EEUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG 16 EN ISO 22282-Contents Page Foreword . 3 1 Scope . 4 2 Normative references 4 3 Terms, definitions and symbols . 4 3.1 Terms and definitions 4 3.2 Symbols 4 4 Eq

14、uipment . 5 5 Test procedure . 6 5.1 General 6 5.2 Installation of equipment . 7 5.3 Determination of the pre-test stabilized hydraulic head 7 5.3.1 Below water table . 7 5.3.2 Above water table. 7 5.3.3 Application of the pressure pulse 7 5.3.4 Measurement of the pressure change within the test sec

15、tion 8 6 Test results . 8 7 Reports 8 7.1 Field report 8 7.1.1 General 8 7.1.2 Installation record 9 7.1.3 Records of measured values and test results 9 7.2 Test report . 10 Annex A (informative) Example of the record of measured values and test results 11 Annex B (informative) Interpretation of tes

16、t results . 12 Bibliography 18 2DIN EN ISO 22282-6:2012-09 EN ISO 22282-6:2012 (E) 6This 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 December 2012, and conflicting national standards shall be withd

17、rawn at the latest by December 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations

18、, the national standards organisations 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, Ne

19、therlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Foreword This document (EN ISO 22282- 2) has been prepared by Technical Committee CEN/TC 341 “Geotechnical Investigation and Testing”, the secretariat of which is held by ELOT

20、, in collaboration with Technical Committee ISO/TC 182 “Geotechnics”. :2013DIN EN ISO 22282-6:2012-09 EN ISO 22282-6:2012 (E) 1 Scope7KLVSDUWRI,62VSHFLHVUHTXLUHPHQWVIRUWKHGHWHUPLQDWLRQRIWKHORF OSHUPHDELOLWLQVRLOVDQGURFNVEHORZRUDERYHWKHJURXQGZDWHUWDEOHLQDFORVHGVVWHPEWKHZDWHUSHUPHDELOLWWHVWVDVSDUWRIWK

21、Hgeotechnical investigation services according to EN 1997-1 and EN 1997-2.7KHWHVWVDUHXVHGWRGHWHUPLQHWKHSHUPHDELOLWFRHIFLHQWkLQORZSHUPHDELOLWVRLODQGURFNORZHUWKDQ108PV,WFDQDOVREHXVHGWRGHWHUPLQHWKHWUDQVPLVVLYLWT DQGWKHVWRUDJHFRHIFLHQWS.127( 7KHZDWHUSUHVVXUHWHVWLQURFNLVFRYHUHGE,622 Normative referencesT

22、he following referenced documents are indispensable for the application of this document. For dated UHIHUHQFHVRQOWKHHGLWLRQFLWHGDSSOLHV)RUXQGDWHGUHIHUHQFHVWKHODWHVWHGLWLRQRIWKHUHIHUHQFHGGRFXPHQW LQFOXGLQJDQDPHQGPHQWV DSSOLHV,62Geotechnical investigation and testing ,dentication and classication of s

23、oil Part 1: ,dentication and description,62Geotechnical investigation and testing ,dentication and classication of rock Part 1: ,dentication and description,62Geotechnical investigation and testing Geohydraulic tests Part 1: General rules,62Geotechnical investigation and testing Sampling method and

24、groundwater measurements Part 1: Technical principles for execution 7HUPVGHQLWLRQVDQGVPEROV 7HUPVDQGGHQLWLRQV)RUWKHSXUSRVHVRIWKLVGRFXPHQWWKHWHUPVDQGGHQLWLRQVJLYHQLQ,62DSSO3.2 Symbols )RUWKHSXUSRVHVRIWKLVGRFXPHQWWKHVPEROVJLYHQLQ7DEOHDSSO4DIN EN ISO 22282-6:2012-09 EN ISO 22282-6:2012 (E) Table 1 Symb

25、olsSymbol Designation UnitCappDSSDUHQWFRPSUHVVLELOLWRIWKHPHDVXUHPHQWGHYLFH PaCwFRPSUHVVLELOLWRIWKHZDWHU PaF shape factor g DFFHOHUDWLRQGXHWRJUDYLW m.sh KGUDXOLFKHDG mhstSUHWHVWVWDELOLHGKGUDXOLFKHDG mk SHUPHDELOLWFRHIFLHQW m.sk20SHUPHDELOLWFRHIFLHQWDWDWHPSHUDWXUHRI pipes; single or double packer; shu

26、t-off valve in the pipe above the test section; pressure measuring and recording device in test section; GDWDDFTXLVLWLRQVVWHP5DIN EN ISO 22282-6:2012-09 EN ISO 22282-6:2012 (E) Key1 test section LQDWDEOHSDFNHU SDFNHULQDWLRQGHYLFH4 isolating valve (bottom valve)5 pressure and water temperature device

27、 KGUDXOLFGHOLYHUSLSH7 pressure and water temperature indicating and recording device8 water reservoir GHYLFHIRUDSSOLFDWLRQRISUHVVXUHSXOVHDQGPHDVXUHPHQWRIFRPSUHVVLELOLW10 ground levelFigure 1 Test equipment Example5 Test procedure5.1 General7KHSULQFLSOHRIZDWHUSHUPHDELOLWWHVWVLQDERUHKROHXVLQJFORVHGVVW

28、HPVLVEDVHGRQDQLQVWDQWDQHRXVFKDQJHRIWKHKGUDXOLFKHDGLQDWHVWVHFWLRQ7KHGLVVLSDWLRQRILPSRVHGKHDGLVUHFRUGHGDVDIXQFWLRQRIWLPH$FFRUGLQJWR)LJXUHDYROXPHRIZDWHULVSUHVVXULHGRQDWHVWVHFWLRQRIDERUHKROHFORVHGRIIERQHRUmore packers in order to determine dissipation of pressure with time.6DIN EN ISO 22282-6:2012-09 EN

29、 ISO 22282-6:2012 (E) 7KHWHVWFDQEHFDUULHGRXWLQDERUHKROHRIDQRULHQWDWLRQDQGGLDPHWHU7KHWHVWVHFWLRQPDEHORFDWHGabove or below the groundwater level.5.2 Installation of equipmentThe test rod or tubing shall be installed into the borehole with the valve open.7KHSDFNHU V VKDOOEHLQDWHGRUWKHVHDOLQJSOXJVKDOOEH

30、LQVWDOOHG5.3 Determination of the pre-test stabilized hydraulic head5.3.1 Below water table%HORZJURXQGZDWHUWDEOHDQLQLWLDOPHDVXUHPHQWRIWKHLQLWLDOKGUDXOLFKHDGLQWKHVRLORUURFNWREHWHVWHGshall be conducted: VWDUWLQJWKHUHFRUGLQJVVWHPRIWKHSUHVVXUHLQWKHWHVWVHF WLRQ closing the isolating valve; PRQLWRULQJWKHS

31、UHVVXUHXQWLOWKHVWDWHRIHTXLOLEULXPLVUH DFKHGMonitoring shall be continued until the head variation hLVOHVVWKDQRIYDULDWLRQLQLQLWLDOKHDG5.3.2 Above water table,QWKHFDVHRIDWHVWLQLQLWLDOOXQVDWXUDWHGVRLOWKHVRLODURXQGWKHWHVWVHFWLRQVKDOOEHLQLWLDOOVDWXUDWHGEHIRUHDSSOLQJWKHSUHVVXUHSXOVH7KLVVDWXUDWLRQUHVXOWVLQ

32、DPDMRUUHGXFWLRQRIWKHVXFWLRQLQWKHYLFLQLWof the test section.7KHUHFRPPHQGHGYDOXHIRUWKHFRQVWDQWKGUDXOLFKHDGIRUWKLVSKDVHLVDSSURLPDWHOPRIZDWHUZLWKUHVSHFWWRWKHJURXQGOHYHO7KHYROXPHLQOWUDWHGGXULQJWKLV SKDVHVKDOOEHHVWLPDWHGDQGLQGLFDWHGLQWKHWHVWUHSRUW7KHGXUDWLRQRIWKHLQOWUDWLRQSKDVHGHSHQGVODUJHORQWKHSHUPHDELOL

33、WRIWKHVRLO7DEOHLQGLFDWHVWKHPLQLPXPGXUDWLRQRIWKHVDWXUDWLRQSKDVHIRUYDULRXVSHUPHDELOLWUDQJHVTable 2 Duration of saturation phase and permeability ranges3HUPHDELOLWFRHIFLHQWk (m/s)8910Duration of saturation phase (hours)31020$IWHUWKHVDWXUDWLRQSKDVHVWDELOLHGKGUDXOLFKHDGLVGHWHUPLQHGDFFRUGLQJWR5.3.3 Applic

34、ation of the pressure pulse:LWKWKHLVRODWLQJYDOYHVWLOOLQWKHFORVHGSRVLWLRQWKHSUHVVXUHYDULDWLRQVKDOOEHDGMXVWHGDERYHWKHYDOYHWRbe produced within the test section.7KHDPSOLWXGHRIWKHSUHVVXUHSXOVHVKDOOEHOLPLWHGLQRUGHUWRDYRLGDOOULVNVRIKGUDXOLFIUDFWXULQJRIWKHVRLOZLWKLQWKHWHVWVHFWLRQ7KHKGUDXOLFKHDGLQFUHPHQWDERYHJURXQGOHYHOVKDOOEHOHVVWKDQRIWKHGHSWKof the test section.7KHSUHVVXUHLQWKHWHVWVHFWLRQVKDOOEHPHDVXUHGDQGUHFRUGHGHYHUVHFRQG7KHLVRODWLQJYDOYHVKDOOEHRSHQHGIRUVWRDOORZWKHSUHVVXUHWRDSSOLQWKHZKROHVVWHPDQGWKHQLWshall be closed.7DIN EN ISO 22282-6:2012-09 EN ISO 22282-6:2012 (E)