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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