BS EN 13562-2000 Geotextiles and geotextile-related products - Determination of resistance to penetration by water (hydrostatic pressure test)《土工织物及其相关产品 抗水渗透性测定(液体静压力试验)》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 13562:2000 The Euro

2、pean Standard EN 13562:2000 has the status of a British Standard ICS 59.080.70 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Geotextiles and geotextile-related products Determination of resistance to penetration by water (hydrostatic pressure test)This British Standard, havi

3、ng been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 October 2000 BSI 10-2000 ISBN 0 580 36618 9 BS EN 13562:2000 Amendments issued since publication Amd. No. Date Com

4、ments National foreword This British Standard is the official English language version of EN 13562:2000. The UK participation in its preparation was entrusted to Technical Committee B/553, Geomembranes and geotextiles, which has the responsibility to: aid enquirers to understand the text; present to

5、 the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on reques

6、t to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the

7、 BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summ

8、ary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 8, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13562 Ma

9、rch2000 ICS59.080.70 Englishversion GeotextilesandgeotextilerelatedproductsDeterminationof resistancetopenetrationbywater(hydrostaticpressuretest) GotextilesetproduitsapparentsDterminationdela rsistancelapntrationdeau(essaisouspression hydrostatique) GeotextilienundgeotextilverwandteProdukte Bestimm

10、ungdesWiderstandesgegenWasserdurchtritt (WassersulePrfverfahren) ThisEuropeanStandardwasapprovedbyCENon21February2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelis

11、tsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguage

12、andnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMM

13、ITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13562:2000EPage2 EN13562:2000 Foreword ThisEuropeanStandardhasbeenpr

14、eparedbyTechnicalCommitteeCEN/TC189 “Geotextilesandgeotextilerelatedproducts“,thesecretariatofwhichisheldbyIBN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherby publicationofanidenticaltextorbyendorsement,atthelatestbySeptember2000, andconflictingnationalstandardsshallbewithdraw

15、natthelatestbySeptember 2000. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandards organizationsofthefollowingcountriesareboundtoimplementthisEuropean Standard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany, Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portug

16、al,Spain, Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN13562:2000 1 Scope ThisEuropeanStandardspecifiesahydrostaticpressuremethodfordeterminingthe resistanceofdrygeotextilestopenetrationbywater. 2 Normativereferences ThisEuropeanstandardincorporatesbydatedorundatedreference,provisions fromotherpubl

17、ications.Thesenormativereferencesarecitedattheappropriate placesinthetextandthepublicationsarelistedhereafter.Fordatedreferences, subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothis Europeanstandardonlywhenincorporatedinitbyamendmentorrevision.For undatedreferencesthelatesteditionof

18、thepublicationreferredtoapplies(including amendments). ISO554 Standardatmospheresforconditioningand/ortesting Specifications EN963 GeotextilesandgeotextilerelatedproductsSamplingand preparationoftestspecimens 3 Principle Thehydrostaticpressuresupportedbyadrygeotextileisameasureofthe oppositiontothep

19、assageofwaterthroughthegeotextile.Aspecimenissubjected toasteadilyincreasingpressureofwaterononeface,understandardconditions, untilpenetrationoccurs.Thepressure,atwhichwaterpenetratesthegeotextile,is noted.Thewaterpressuremaybeappliedfrombeloworfromabovethespecimen. Thechosenalternativeshouldbestate

20、dinthetestreport. Theresultisimmediatelyrelevanttothebehaviourofgeotextileswhichare subjectedtowaterpressureforshortormoderateperiodsoftime.Themethodis primarilyintendedforlowpermeabilitygeotextiles. 4 Apparatus 4.1Theapparatususedforthetestshouldbedesignedtocomplywiththefollowing conditions. 4.1.1I

21、tshouldbepossibletoclampthecircularspecimenofgeotextileinsuchaway that: itishorizontalandnotbulging; acircularareaofthespecimenof(100 1)cmissubjectedtosteadily increasingwaterpressurefrombeloworfromabovethespecimen; noleakageofwatertakesplaceattheclampsduringthetest; thespecimendoesnotslipintheclamp

22、s; anytendencyforpenetrationtooccurattheclampededgeofthespecimen isminimised.Page4 EN13562:2000 NOTE:Withsomeformofapparatus,ithasbeenfoundthatcorrect conditionsofclampingcanbeattainediftheclampsarefacedwithsuitable rubber. Twoexamplesofapparatusareshowninfigure1. 4.1.2Thewaterincontactwiththetestsp

23、ecimenshallbedistilledorfullydeionized watermaintainedat(20 2)C. Iftheapparatususedisofthetypeinwhichthewateriscontainedinthetesting headandrisestocomeintocontactwiththespecimen,thesurfaceofthewaterin thetestingheadmaybecleanedinoneofthefollowingways,statedinorderof preference: a)emptythetestinghead

24、andrefillwithsufficientfreshlydistilledwater; b)allowthedistilledwatertooverflowfromthetestingheadsothatthe surfaceofthewaterisclearedandsweepthesurfaceofthewaterwitha glassslidefreshlycoatedwithparaffinewax; c)allowthedistilledwatertooverflowfromthetestingheadsothatthe surfaceofthewateriscleared. 4

25、.1.3Therateofincreaseofwaterpressureshallbe(100 5)mm/min 4.1.4Itisnecessarytoprovideamanometerofsuitablerange,i.e.amanometer whichprovidesforwaterpressuresupto500mm.Themanometerconnectedtothe testingheadshallallowwaterpressurestobereadtoanaccuracyofatleast1mm. 5 Conditioning Conditioningandtestingsh

26、allbecarriedoutat(20 2)Cand(65 5)%relative humidity,inaccordancewithISO554. 6 Testspecimens 6.1Handling Thesampleshallnotbefoldedandshallbehandledasinfrequentlyaspossibleto avoiddisturbanceinitsstructure.Thesampleshallbekeptinaflatpositionwithout anyload. 6.2Sampling Taketestspecimensfromtheproducts

27、ampleinaccordancewithEN963.Page5 EN13562:2000 6.3Numberanddimensions Cut10specimens,fivetobetestedoneachface.Identificationoffaceorientationin relationtorollconfigurationormanufacturingprocessshallbeprovidedandmarked onthesample. NOTE:Whereitisnecessarytodeterminetheresultstowithinagiven confidencei

28、ntervalofthemean,thenumberoftestspecimensshouldbe determinedinaccordancewithISO2854. 6.4Conditionofspecimens Thespecimensshallbeclean,freefromsurfacedepositsandwithoutvisible damageorfoldingmarks. 7 Procedure 7.1Providefreshlydistilledwaterforeachspecimentested. 7.2Wipeallwaterfromclampingsurfaces.C

29、lamptheconditionedspecimeninthe testheadsothatthefaceofthegeotextilewillbeincontactwiththewater.The clampingshallbecarriedoutinsuchawaythatwaterwillnotbeforcedthroughthe specimenpriortothestartofthetest. 7.3Subjectthespecimenimmediatelytoincreasingwaterpressure.Watch continuouslyforevidenceofpenetra

30、tionbywater. 7.4Recordthepressureasconventionalmillimetresofwater,atwhichwaterfirst appearsincontinuousdropletformthroughthespecimen. 7.5Continuetoincreasethewaterpressureandrecordthemaximumwater pressureachieved.Donottakeintoaccountveryfinedropletswhichdonotgrow afterbeingformed.Notewhetherthepenet

31、rationofwateroccursattheedgeofthe clampandrejectasunsatisfactoryanytestinwhichsuchpenetrationoccursata pressurelessthanthelowestpressurerecordedfortheotherspecimensfromthe samesample. 7.6Testfurtherspecimensuntiltherequirednumberofsatisfactoryresultsis obtained. 8 Calculationandexpressionoftestresul

32、ts Calculatethemeanofthepressuresrecordedforthespecimenstestedaccordingto clause7.Reporttheindividualresultsandthemeanresultinconventional millimetresofwaterpressure.Page6 EN13562:2000 9 Testreport Thetestreportshallincludethefollowinginformation: a)referencetothisstandard; b)theatmosphereused(stand

33、ardatmosphereorother); c)thetemperatureofthewater; d)whetherthewaterpressurewasappliedfrombeloworfromabovethetest specimenandanillustrativeexampleoftheapparatusused(ifrequired); e)therateofincreaseofwaterpressure; f)thefaceofthegeotextiletested; g) anyvariationinsizeorshapeofthetestspecimen; h) thei

34、ndividualresultsandtheirmean.Page7 EN13562:2000 Waterabovethetestspecimen Key 1 Specimen 2 Clampingring 3 Transparentcylinder 4 Waterinlet 5 Waterlevelatpenetration 6 Waterdroplet 7 Manometer 8 Measuringscale(inmm) 9 Viewingposition 10 Mirrorat45 11 Collectionpan Waterbelowthetestspecimen Figure1Exa

35、mplesofatestapparatusPage8 EN13562:2000 Bibliograpy ISO2854 StatisticalinterpretationofdataTechniquesofestimationand testsrelatingtomeansandvariances.blankBS EN 13562:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

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