EN 13631-14-2003 en Explosives for civil uses - High explosives - Part 14 Determination of velocity of detonation《民用爆炸物品 高能炸药 第14部分 爆速测定》.pdf

1、BRITISH STANDARD BS EN 13631-14:2003 Explosives for civil uses High explosives Part 14: Determination of velocity of detonation The European Standard EN 13631-14:2003 has the status of a British Standard ICS 71.100.30 BS EN 13631-14:2003 This British Standard, was published under the authority of th

2、e Standards Policy and Strategy Committee on 31 July 2003 BSI 31 July 2003 ISBN 0 580 42371 9 National foreword This British Standard is the official English language version of EN 13631-14:2003. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for civi

3、l uses, which 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 und

4、er the section 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 app

5、lication. Compliance 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;

6、monitor related 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 notice displayed in this document indicates

7、 when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1363114 April2003 ICS71.100.30 Englishversion ExplosivesforcivilusesHighexplosivesPart14: Determinationofvelocityofdetonation ExplosifsusagecivilExplosifsPar

8、tie14:Dtermination delavitessededtonation ExplosivstoffefrzivileZweckeSprengstoffeTeil14: BestimmungderDetonationsgeschwindigkeit ThisEuropeanStandardwasapprovedbyCENon17January2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Stan

9、dardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra

10、 nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherla

11、nds,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMem

12、bers. Ref.No.EN1363114:2003EEN1363114:2003(E) 2 Contents Foreword3 1 Scope.3 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Principle 4 5 Apparatus .4 6 Preparationoftestpieces .5 7 Procedure .8 8 Testreport . .8 AnnexA (informative) Rangeofapplicabilityofthetestmethod.9 AnnexZA (informative) C

13、lausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 10EN1363114:2003(E) 3 Foreword ThisdocumentEN1363114:2003hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. This EuropeanStandardshallbegiventhestatusofa

14、nationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyOctober2003,andconflictingnationalstandardsshallbewithdrawnatthelatest byOctober2003. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommission andtheEuropeanFreeTradeAssociation,andsupportsessentialre

15、quirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisinformative. ThisEuropeanStandardisoneofaseriesofstandardson ExplosivesforcivilusesHighexplosives. Theother partsofthisseriesare: prEN136311 Part1:Requirements EN136312 Pa

16、rt2:Determinationofthermalstabilityofexplosives prEN136313 Part3:Determinationofsensitivenesstofrictionofexplosives EN136314 Part4:Determinationofsensitivenesstoimpactofexplosives EN136315 Part5:Determinationofresistancetowater EN136316 Part6:Determinationofresistancetohydrostaticpressure prEN136317

17、 Part7:Determinationofsafetyandreliabilityatextremetemperatures prEN1363110 Part10:Verificationofthemeansofinitiation prEN1363111 Part11:Determinationoftransmissionofdetonation prEN1363112 Part12:Specificationsofboosterswithdifferentinitiatingcapability EN1363113 Part13:Determinationofdensity prEN13

18、63115 Part15:Calculationofthermodynamicproperties prEN1363116 Part16:Detectionandmeasurementoftoxicgases AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France

19、,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingthevelocityofdetonationofanexplosive.Themethod isapplicabletoexplosivesforcivilusesincartridgedor

20、bulkform.EN1363114:2003(E) 4 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofan

21、yofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). prEN138571:2001; ExplosivesforcivilusesPart1:Terminology. prEN1363110; ExplosivesforcivilusesHighexplosivesPart10

22、:Verificationofthemeansofinitiation. ENISO/IEC17025;Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). ISO4200:1991; Plainendsteeltubes,weldedandseamlessGeneraltablesofdimensionsandmassesperunit length. 3 Termsanddefinitions ForthepurposesofthisEuropeanStanda

23、rd,thetermsanddefinitionsgiveninprEN138571:2001apply. 4Principle Thetimetakenforthedetonationfronttopassbetweentwosensorsaknowndistanceapartismeasured. 5Apparatus 5.1 Meansofinitiation , asspecifiedbytheexplosivemanufacturerinaccordancewithprEN1363110. 5.2 Steeltubes Thedimensionsofthesteeltubesshal

24、lbeinaccordancewithISO4200:1991,Table1,rangeofpreferred thicknessE,anextractfromwhichisgiveninTable1ofthisstandard.EN1363114:2003(E) 5 Table1Dimensionsofsteeltubes Internaldiameter (mm) Wallthickness (mm) 17,3 2,0 22,9 2,0 29,1 2,3 37,2 2,6 43,1 2,6 54,5 2,9 70,3 2,9 82,5 3,2 107,1 3,6 131,7 4,0 159

25、,3 4,5 206,5 6,3 260,4 6,3 309,7 7,1 Suitableholesshallbedrilledinthetubetoallowinsertionofthesensorsofthemeasuringequipmentused. 5.3 Thermometer Thermometercapableofmeasuringthetemperatureofthetestenvironmentandthetemperatureoftheexplosive withanaccuracyof 1C. 5.4 Measuringequipment Themeasuringequ

26、ipmentwithtwosensorsshallbecapableofmeasuringthevelocityofthedetonationfronttoan accuracyof100m/s. Examplesofsensorsareopticalfibres,selfshortingpins,ionisationpinsandpiezoelectricpins. 6 Preparationoftestpieces 6.1 Testpiece Thetestpieceshallcompriseacartridgeorcolumnofcartridgesoflength L,whichisa

27、tleastthelengthnecessary forthemeasurementofthevelocityofdetonation l,plusfivetimesthecartridgediameter d,i.e. L 5d+l Whenthelengthofanindividualcartridgeislessthan L,prepareeachtestpiecebyjoiningtwocartridgestogether. Incaseofclippedcartridges,theendportionoftwocartridgesshouldbecutofftoformaflatsu

28、rfacenotlessthan thediameterofthechargeandthecartridgesjoinedbybuttingtogetherandtapingsecurely.EN1363114:2003(E) 6 6.2 Assemblyofthetestpieceandmeansofinitiation 6.2.1 General Ifthetestpiececomprisesmorethanonecartridge,fitthesensorstothecartridgeatoneendandinitiatethe cartridgeattheotherend. Confi

29、nementwithsteeltubesshallbeusedwhenthe(unconfined)explosivedoesnotsupportstabledetonationat thetestdiameter. Theinternaldiameterofthesteeltubeshouldbesuchthatthecartridgecanbeinsertedintoitwithoutleavingan unnecessarilylargeannularspacebetweenthecartridgeandthetube,inordertoavoidchanneleffect. Themi

30、nimumdistancebetweenthesensorsshallbe100mmandthedistancebetweenthefirstsensorandthe initiatingdeviceshallbeatleastfivetimesthediameterofthecharge. 6.2.2 Initiationbydetonator Assemblethetestpiecewiththedetonatorinsertedatoneendandthesensorsattheotherend,asshownin Figure1. Key Ddistancebetweentheendo

31、fthedetonatorandthefirstsensor ddiameteroftheexplosiveundertest 1Sensors 2Detonator 3Explosiveundertest Figure1Testpieceassemblyforinitiationbydetonator 6.2.3 Initiationbybooster Assemblethetestpiecewiththedetonatorandtheboosterattachedatoneendandthesensorsattheotherend, asshowninFigure2. Inthecaseofclippedcartridges,theendportionofthecartridgeshallbecutofftoformaflatsurfaceandthe boosterattached(forexamplebyadhesivetape). D 5d 1 1 2 3