BS EN 13631-5-2003 Explosives for civil uses - High explosives - Determination of resistance to water《民用爆炸物 烈性炸药 测定耐水性》.pdf

1、BRITISH STANDARD BS EN 13631-5:2002 Explosives for civil uses High explosives Part 5: Determination of resistance to water The European Standard EN 13631-5:2002 has the status of a British Standard ICS 71.100.30 BS EN 13631-5:2002 This British Standard was published under the authority of the Standa

2、rds Policy and Strategy Committee on 6 June 2003 BSI 6 June 2003 ISBN 0 580 42006 X National foreword This British Standard is the official English language version of EN 13631-5:2002. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for civil uses, whi

3、ch has the responsibility to: A list of organizations represented on this committee can be obtained on request 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 Catalogue under the sect

4、ion entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. C

5、ompliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor rel

6、ated international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 10, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the doc

7、ument was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN136315 September2002 ICS71.100.30 Englishversion ExplosivesforcivilusesHighexplosivesPart5: Determinationofresistancetowater ExplosifsusagecivilExplosifsPartie5:Dterminat

8、ion delarsistanceleau ExplosivstoffefrzivileZweckeSprengstoffeTeil5: BestimmungderWasserfestigkeit ThisEuropeanStandardwasapprovedbyCENon11July2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwi

9、thoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityof

10、aCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,Switzerla

11、ndandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN136315:2002EEN136315:2002(E) 2 Content

12、s page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Preliminarytestforcartridgedexplosives 4 5 Preparationofnotchedtestpieces 6 6 Testforwaterresistance. 6 7 Testreport . .8 AnnexA (informative) Rangeofapplicabilityofthetestmethod.9 AnnexZA (informative) ClausesofthisEurop

13、eanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 10EN136315:2002(E) 3 Foreword Thisdocument(EN136315:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,e

14、itherbypublicationofanidenticaltextor byendorsement,atthelatestbyMarch2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby March2003. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirectiv

15、e(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. ThisEuropeanStandardisoneofaseriesofstandardson ExplosivesforcivilusesHighexplosives. Theother partsofthisseriesare: prEN136311 Part1: Requirements. EN136312 Part2: Determinationofthermalstabilityofexp

16、losives. prEN136313 Part3: Determinationofsensitivenesstofrictionofexplosives. EN136314 Part4: Determinationofsensitivenesstoimpactofexplosives. EN136316 Part6: Determinationofresistancetohydrostaticpressure. prEN136317 Part7: Determinationofsafetyandreliabilityatextremetemperatures. prEN1363110 Par

17、t10: Methodfortheverificationofthemeansofinitiation. prEN1363111 Part11: Determinationoftransmissionofdetonation. prEN1363112 Part12: Determinationoftheinitiatingcapabilityofboosters. prEN1363113 Part13: Methodforthedeterminationofdensity. prEN1363114 Part14: Methodforthedeterminationofvelocityofdet

18、onation. prEN1363115 Part15: Calculationofthermodynamicproperties. prEN1363116 Part16: Detectionandmeasurementoftoxicgases. AnnexAofthisdocumentisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard

19、:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN136315:2002(E) 4 1Scope ThisEuropeanStandardspecifiesamethodofdeterminingtheresistancetowaterofcartridgedorbulkhigh

20、explosivesforciviluses,whicharedesignedtobeusedforblastingoperationsinwetconditions. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.F

21、or datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). prEN1363110:2000, ExplosivesforcivilusesHighexplosivesPar

22、t10:Methodfortheverificationofthemeans ofinitiation. prEN1363114, ExplosivesforcivilusesHighexplosivesPart14:Methodforthedeterminationofvelocityof detonation. prEN138571:2001, ExplosivesforcivilusesPart1:Terminology. ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratori

23、es(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninprEN138571:2001apply. 4 Preliminarytestforcartridgedexplosives 4.1 General Unlessthemanufacturerclaimsthattheexplosivecompositionisinherentlywaterresistant,thecovermaterialshall besubjecte

24、dtothispreliminarytest. 4.2 Apparatus 4.2.1 Vshapedguide, madefromaluminiumorsimilarmaterial,oflengthatleast500mmlongerthanthe lengthofthecartridgeundertest(seeFigure1).Theguideshallhaveaseriesofholes,spaced2mmapartinthe directionatrightanglestotheaxisoftheguide,forthepin(see4.2.2).Theholesshallbelo

25、catedapproximately 500mmfromendBoftheguideandatleastthelengthofthecartridgefromendA. 4.2.2 Pin,madeofstainlesssteelwithaconeangleof45 andaheightof5mm(seeFigure2).EN136315:2002(E) 5 Key 1 Directionofpushing 2Explosive cartridge 3 Pininposition 4 Holesforthepin 5Guide Figure1Vshapedguideandcartridge F

26、igure2SteelpinEN136315:2002(E) 6 4.3 Procedure Placetheguidehorizontallyonatable. PlaceacartridgeintheguidesothatoneendisinlinewithendAoftheguide. Accordingtothediameterofthecartridgeplacethepininoneoftheholessothatitisinlinewiththeareaofthe cartridgetouchingtheguide. Pushthecartridgethroughtheguide

27、toendB.Donotapplyanyverticalforce. Rotatethecartridge90 andrepeatthetestuntiltherearefourtracesofthepin. Dothiswithatotalofthreecartridges. Inspectthetracesverycarefullyanddeterminewhetheranyperforationisvisible.Ifthereisnoperforationofthe coveritisassumedtobeanintegralpartofthewaterresistanceofthep

28、roduct.Inthiscasethewaterresistanceof theexplosiveshallbedeterminedusingthecartridgesassupplied. Ifthereis,ontheotherhand,anyperforationofthecoveritisnotassumedtobeanintegralpartofthewater resistanceoftheexplosive.Inthiscasethewaterresistanceoftheexplosiveshallbedeterminedusingtestpieces comprisingc

29、artridgesmodifiedbycuttingnotchesasdescribedin5.2. Donotusecartridgessubjectedtothispreliminarytestforfurthertesting. 5 Preparationofnotchedtestpieces 5.1 General Ifthemanufacturerofcartridgedexplosivesclaimsthattheexplosivecompositionisinherentlywaterresistant,then notchesshallbecutintoallcartridge

30、softhetestpiece. 5.2 Cuttingnotches Eachnotchshallbeapproximately20mmlong,0,5mmwideand5mmdeep.Thenumberofnotchesshallbe suchthatthereisonenotchper30cm 2 ofsurface.Thenotchesshallbeuniformlydistributedoverthe circumference. 6 Testforwaterresistance 6.1 Apparatus 6.1.1 Meansofinitiation, asspecifiedby

31、theexplosivesmanufacturerintermsofinitiatingcapabilityaccording toprEN1363110:2000,subclause5.1. 6.1.2 Watertank,whichallowseasyandcompleteimmersionofthetestpiecesinwater.Theheightofthe watertankshallbesufficienttoholdwatertoadepthofatleast200mmplusthediameterofthetestpiece.Inthe caseofatubularwater

32、tankitsdiametershallbeatleasttwicethediameterofthetestpiece. 6.1.3 Meansofassessingcompletedetonation,(e.g.equipmentformeasuringvelocityofdetonationas specifiedinprEN1363114,orwitnessplates).EN136315:2002(E) 7 6.2 Procedure 6.2.1 Cartridgedexplosives Thetestpiececonsistsofanumberofcartridgeswithatot

33、allengthofatleast0,5m.Thediameterandlengthof thecartridgesshallbetheminimumdimensionsofproductsplacedonthemarket. Fixthetestpiecealongawoodenstickormetalrod.Ifthetestpiececonsistsoftwoormorecartridges,thereshall benovisiblegapbetweenthem. Preparethetestpieceforinitiationwiththemeansofinitiationasdes

34、cribedin6.1.1. Immersethetestpieceinwaterat20 Cto30 Ctoawaterdepthof200mm(seeFigure3).Firethetestpiece after5h. Ifthecartridgesaretoobigforthetestmethoddescribed,aplastictubulartankofsuitablelengthcanbeusedas container.Inthatcasethetestpieceshallhavealengthoftentimesitsdiameter.Insertthetestpieceint

35、othe verticallyorientedtube,prepareitforinitiationwiththemeansofinitiationasdescribedin6.1.1andfillthetubewith waterat20 Cto30 Cuntiltheuppermostcartridgeiscoveredbyatleast200mmofwater.Firethetestpiece after5h. Ineithercase,assesswhethercompletedetonationhastakenplace. Key 1Water 2Wooden rod 3Wire 4

36、Cartridge 5Notches 6Detonator 7Leading wires Figure3TestassemblyforcartridgedexplosivesEN136315:2002(E) 8 6.2.2 Bulkexplosives Thetestpiececonsistsofarepresentativesampleoftheexplosive,whichshallbeloadedintoaplasticslinerwith notches.Thelinershallhavethesmallestdiameterintendedforuseoftheexplosiveas

37、statedbythemanufacturer. Thelengthofthelinershallbeatleasttentimesitsdiameter.Thedimensions,positionandnumberofnotches shallbeasdescribedin5.2. Loadthelinerintoaplasticspipewithaninnerdiameteroftwicethediameteroftheliner.Primetheexplosivewith themeansofinitiationasdescribedin6.1.1andfillthepipewithw

38、ater. Firethetestpieceafter5h. Assesswhethercompletedetonationhastakenplace. 6.2.3 Alternativetestmethod Ifthemethodsdescribedin6.2.1or6.2.2arenotsuitable,theexplosiveshallbetestedusingaboreholeina quarryormine.Thediameteroftheboreholeshallbethatnormallyusedtoaccommodatethediameterofthetest pieceor,

39、forbulkexplosives,theminimumdiameterrecommendedbythemanufacturerforthatproduct.The boreholeshallhaveadepthofatleast3mbelowthewatertable.Afterremovingthewatertheboreholeshallrefill withinnotmorethan60min.Loadtheboreholewiththeexplosiveundertestandprepareitforblastinginthe normalway.Waitatleast5hplust

40、hetimeneededforrefillingoftheboreholeandthenfiretheload.Assess whethercompletedetonationhastakenplace. 7 Testreport ThetestreportshallconformtoENISO/IEC17025.Inadditionthefollowinginformationshallbegiven: a) areferencetothisstandard; b) testparameters:temperatureofthewaterindegreesCelsius,lengthofth

41、ecartridgecolumnorlineror borehole,diameterofthecartridgesorlinerorborehole,materialofthewrapping,ifapplicable; c) forcartridgedexplosivestheresultofthepreliminarytestaccordingtoclause4andwhethernotcheswere cutornot,ifapplicable; d) thenumberoftestedcartridgecolumnsorpipesorboreholes; e) thenumberof

42、fullydetonatedcartridgecolumnsorthenumberoffullydetonatedpipesorboreholes.EN136315:2002(E) 9 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod: 0 Cto+99 CEN136315:2002(E) 10 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirement

43、sor otherprovisionsofEUDirectives ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociationandsupportsessentialsafetyrequirementsofEUDirective93/15/EEC. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. Theclausesofthisstandardarelikelytosuppo