1、BRITISH STANDARD BS EN 13631-7:2003 Explosives for civil uses High explosives Part 7: Determination of safety and reliability at extreme temperatures The European Standard EN 13631-7:2003 has the status of a British Standard ICS 71.100.30 BS EN 13631-7:2003 This British Standard, was published under
2、 the authority of the Standards Policy and Strategy Committee on 18 November 2003 BSI 18 November 2003 ISBN 0 580 42930 X National foreword This British Standard is the official English language version of EN 13631-7:2003. The UK participation in its preparation was entrusted to Technical Committee
3、CII/61, Explosives for civil 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 fou
4、nd in the BSI Catalogue under 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 resp
5、onsible for its correct application. 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
6、the UK interests informed; 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 8, an inside back cover and a back cover. The BSI copyright notice displayed
7、in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN136317 November2003 ICS71.100.30 Englishversion ExplosivesforcivilusesHighexplosivesPart7: Determinationofsafetyandreliabilityatext
8、remetemperatures ExplosifsusagecivilExplosifsPartie7:Dtermination delascuritetdelafiabilitauxtempraturesextrmes ExplosivstoffefrzivileZweckeSprengstoffeTeil7: BestimmungderSicherheitundZuverlssigkeitbei extremenTemperaturen ThisEuropeanStandardwasapprovedbyCENon1September2003. CENmembersareboundtoco
9、mplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanS
10、tandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic
11、,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Br
12、ussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN136317:2003EEN136317:2003(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .5 4 Testmethods 5 5 Testreport . .7 AnnexZA (informative) ClausesofthisEurope
13、anStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives 8EN136317:2003(E) 3 Foreword Thisdocument(EN136317:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,theSecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eit
14、herbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s).
15、ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. ThisEuropeanStandardisoneofaseriesofstandardson ExplosivesforcivilusesHighexplosives. Theother partsofthisseriesare: prEN136311 Part1: Requirements. EN136312 Part2: Determinationofthermalstabilityofexplosive
16、s. prEN136313 Part3: Determinationofsensitivenesstofrictionofexplosives. EN136314 Part4: Determinationofsensitivenesstoimpactofexplosives. EN136315 Part5: Determinationofresistancetowater. EN136316 Part6: Determinationofresistancetohydrostaticpressure. EN1363110 Part10: Verificationofthemeansofiniti
17、ation. EN1363111 Part11: Determinationoftransmissionofdetonation. prEN1363112 Part12: Specificationofboosterwithdifferentinitiatingcapability. EN1363113 Part13: Determinationofdensity. EN1363114 Part14: Determinationofvelocityofdetonation. prEN1363115 Part15: Calculationofthermodynamicproperties. pr
18、EN1363116 Part16: Detectionandmeasurementoftoxicgases. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxe
19、mbourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN136317:2003(E) 4 1Scope ThisEuropeanStandardspecifiesthespecialconditionsandprocedurespermittingtheextensiontowiderranges ofapplicabilityofthefollowingtestmethods: determinationofresistancetohydrostaticp
20、ressure; verificationofthemeansofinitiation; determinationoftransmissionofdetonation; Standardisedtestmethodsatextremetemperaturesforthefollowingpurposesarenotgiven: determinationofsensitivenesstofriction; determinationofsensitivenesstoimpact; determinationofresistancetowater; determinationoftheinit
21、iatingcapabilityofboosters; determinationofvelocityofdetonation. NOTE Inthesecases,themanufactureroftheexplosiveshouldprovideasuitabletestmethodand,incaseswherethe resultsshouldbecheckedbyanindependentinstitutionorauthority,themanufacturerandtheinstitutionorauthorityshould agreeuponasuitabletestmeth
22、od. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapply
23、tothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN136316,ExplosivesforcivilusesHighexplosivesPart6:Determinationofresistancetohydrostatic pressure. EN1363110, ExplosivesforcivilusesHighe
24、xplosivesPart10:Verificationofthemeansofinitiation. EN1363111:2003,ExplosivesforcivilusesHighexplosivesPart11:Determinationoftransmissionof detonation. EN138571:2003, ExplosivesforcivilusesPart1:Terminology. ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IE
25、C 17025:1999).EN136317:2003(E) 5 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571:2003andthefollowing apply. 3.1 extremetemperature temperaturebelowtheminimumtemperatureorabovethemaximumtemperaturestatedastherangeof applicabilityofagiventestmethod 4Tes
26、t methods 4.1Methodfortheverificationofthemeansofinitiation 4.1.1Apparatus 4.1.1.1 Conditioningchamber, consistingofasuitableovenorrefrigerator,dependingontherequiredtest temperature,andthermostaticallycontrolledwithanaccuracyof 2C. 4.1.1.2 Thermocoupleorequivalent, for monitoringtestpiecetemperatur
27、e. 4.1.1.3 Meansofinitiation, asspecifiedbytheexplosivesmanufacturerandsuitableforuseatthetest temperature. 4.1.1.4 Thermallyinsulatedcontainer 4.1.2 Preparationoftestpieces PreparethetestpiecesaccordingtoEN1363110.Inthecaseofbulkexplosivesclosethetubestopreventlossof substance. 4.1.3Procedure NOTE
28、Beforetestingexplosivesathightemperatures,itshouldbecheckedthattheexplosiveisnottoodangerousfor handlingafterbeingexposedtothosehightemperatures. Placethethermocoupleorequivalentinsidethetestpiece. Placethetestpieceintheconditioningchamberandadjustthethermostattoatesttemperature( T)5Clowerthan themi
29、nimumtemperatureor5Chigherthanthemaximumtemperatureforwhichtheexplosiveisdesigned. Afterthetestpiecehasreachedtherequiredtesttemperature,itshallbemaintainedatthetesttemperatureforat least1h. Removethetestpiecefromtheovenorrefrigeratorandplaceitimmediatelyinathermallyinsulatedcontainer. Immediatelybe
30、forefiringremovethetestpiecefromthecontainer. Firethetestpiecebyusingtheinitiationmethodrecommendedbythemanufacturer. Atthetimeoffiringthetemperatureofthetestpieceshallnotdifferbymorethan5Cfromtheconditioning temperature. Performthetestthreetimes. Confirmthatcompletedetonationhasoccurredasdescribedi
31、nEN1363110.EN136317:2003(E) 6 4.2Methodforthedeterminationoftransmissionofdetonation ThetestshallbecarriedoutasdescribedinEN1363111withthefollowingmodifications: a) Beforefiring,thewholetestarrangement(seeEN1363111:2003,Figure1)shallbeconditionedbymeansofa conditioningchamberasdescribedin4.1.1.1,dep
32、endingonthetemperaturerangeclaimedbythe manufacturer. b) Thetestpieceshallbeconditionedat5Cbelowtheminimumtemperatureforwhichtheexplosiveis designed.Thetemperaturewithintheexplosiveshallbemeasuredwithathermocoupleorequivalent.Afterthe testpiecehasreachedtherequiredtesttemperature,itshallbemaintained
33、atthattemperatureforatleast1h. c) Placethetestarrangementintoaninsulatingcontainerandfireitwithin5min. 4.3Methodforthedeterminationofresistancetohydrostaticpressure 4.3.1 Temperaturesupto100C Prepareawatertightcontainerpermittingthecirculationofwateratagiventemperaturethroughit.Itshallbebig enoughto
34、holdthesteeltubewithallaccessoriesasdescribedinEN136316.Additionallyathermocoupleshallbe mountedinthesteeltubetomeasurethetemperatureofthewaterwithinthetube. Placethesteeltubeintothecontainerandclosethecontainerwithaninsulatingcover. Turnonthewatercirculationandadjustthetemperatureofthewatersothatth
35、ewaterinthesteeltubewillreach thedesiredtemperaturewithin30min.Duringthetest,thetemperatureofthecirculatingwatershallbecontrolled byasuitablethermostatwithinanaccuracyof 2C. ProceedasdescribedinEN136316bybuildingupthedesiredpressurewithinthetube.Whenthetemperatureof thewaterwithinthetubehasreachedth
36、edesiredvaluemaintainatthistemperaturefor1h. Firetheexplosive. Iftheexplosivedetonatescompletelyrepeatthetesttwicemore. 4.3.2 Temperaturesabove100C Fillthetestpieceintothesteeltube.Fillthetubewithwatersothatthetestpieceisfullyimmersed.Forthedesired temperature,obtaintheresultingpressurefromtablesofv
37、apourpressure.Ifthepressureclaimedbythe manufacturerishigherthanthisvalue,aconnectionforpressurisedwaterisneeded. MountathermocoupletomeasurethetemperatureofthewaterinsideandclosethetubeasdescribedinEN 136316.Noconnectionforpressurisedwaterisneeded. Windanelectricheatingribbonroundthetubeinawaythatt
38、heribboncoversthesurfaceofthetuberegularly.The powerconsumptionoftheheatingribbonshallbeatleast2000Wperfivelitressteeltubevolume. Forthermalinsulation,coverthetestarrangementforexamplewithdrysand. Startheatingthesteeltubeuntilthetemperaturehasreachedthedesiredvalue.Theheatingrateshouldbesuch thatthe
39、desiredtemperatureisobtainedwithin30min.Maintainthistemperaturefor1h. Firetheexplosive. Incaseofatestresult“failure”waituntilthetemperatureofthewaterhasreachedambientvaluebeforeopening thefiringtube. Iftheexplosivedetonatescompletelyrepeatthetesttwicemore.EN136317:2003(E) 7 5 Testreport Thetestrepor
40、tshallconformtoENISO/IEC17025.Inadditionthefollowinginformationshallbegiven: a)areferencetothisstandard,i.e.EN136317; b)incaseoftestsaccordingto4.1: lengthofthecartridgecolumn; diameterofthecartridgesortubes; materialofthewrappingofcartridges; typeofdetonationwitness; density of explosive; meansofin
41、itiation; timeduringwhichthetemperatureissustained; methodoftemperaturemeasurement; temperature. c)incaseoftestsaccordingto4.2: lengthanddiameterofthedonorcartridge; lengthanddiameteroftheacceptorcartridge(s); materialofthewrappingofcartridges; typeofdetonationwitness; density of explosive; meansofi
42、nitiation; timeduringwhichthetemperatureissustained; methodoftemperaturemeasurement; temperature; maximumairgapforwhichtransmissionwasobserved. d)incaseoftestsaccordingto4.3: timeusedtoraisethetemperaturetothedesiredvalue; temperatureandpressure. Inallcasesthetestresultsshallbegivenasdescribedinthec
43、orrespondingstandards.EN136317:2003(E) 8 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociationandsupportsessentialrequirementsofEUDirective93/15/EEC. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheprod
