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:1006-7051(2001)04-0011-08(,529721):,,,(),:;;;;:TG45616:A:2001-02-08:,DETERMINATIONOFDETONATIONVELOCITIESOFEXPLOSIVESBYTHEPROBEMETHODINEXPLOSIVEWELDINGZHENGYuan2mou(NewTechnologyApplicationResearchInstitute,HeshanCity,Guangdong529721,China)ABSTRACT:Detonationvelocitiesofafewcompositeexplosivesweredeterminedbytheprobemethod,distributioncurvesofdetonationvelocitiesalongdetonatingdirectionplotted,andtestre2sultsanalyzedanddiscussed1Itispointedoutthatthedetonationofanexplosiveinvolvesaprocessofcomingintobeing,developing,sustainingandpassingaway1Theresearchintothisprocesshasanimportantsignificanceinthetheoryandpracticeofexplosivewelding1KEYWORDS:Explosivewelding;Explosives;Detonation;Detonationvelocity;Probemethod1,,,,,,,;,:(1),;74200112ENGINEERINGBLASTINGVol17,No14December2001(2);(3),2211,1,(a)150mm600mm,(b)100mm350mm,(0)6050403020mm1Fig11Schematicdiagramofthedevicesfordeterminationofdetonationvelocity11;21;31();41(1mm);51(BSS-210)11Table1Somecompositeexplosivesfortestsandpartialconditionsoftechnology,wt/%/mm/2a20%TNT+80%Ba(NO3)215060010b1003506c30%TNT+70%Ba(NO3)215060010d1003506e40%TNT+60%Ba(NO3)215060010f10035063a65%2#+35%Ba(NO3)2150600107b10035066c80%2#+20%Ba(NO3)2150600106d10035066e90%2#+10%Ba(NO3)2150600105f10035064g100%2#15060010h10035064a88%NH4NO3+12%1506001050g8321b1003506c92%NH4NO3+8%1506001036h,50gd10035068321212121,,,,,()1mm,,,,,BSS-2,,,,,24[1],,,,,,5mg,,2TNT+Ba(NO3)2Fig12Distributioncurvesofdetonationvelocitiesfor[TNT+Ba(NO3)2]explosiveBa(NO3)2:(a)(b)-20%,(c)(d)-30%,(e)(f)-40%0/mm:1-20,2-30,3-40,4-50,5-6031:32#+Ba(NO3)2(af)2#(gh)Fig13Distributioncurvesofdetonationvelocitiesfor[2#dynamite+Ba(NO3)2]explosive(af)and2#dynamiteexplosive(gandh)Ba(NO3)2:(a)(b)-35%,(c)(d)-20%,(e)(f)-10%,(g)(h)-00/mm:1-20,2-30,3-40,4-50,5-604NH4NO3+Fig14DistributioncurvesofdetonationvelocitiesforANFOexplosiveswithvariouscontentoffueloil:(a)(b)-8%,(c)(d)-12%;0/mm:1-20,2-30,3-40,4-50,5-60413,1,24242(a)(b),95%,:(1),()(2),,,,(3),(24)(4)150mm600mm,,,300mm(2);100mm350mm,,300mm(3)(5),,(6):,(7)TNT+Ba(NO3)2(22),TNT,,,2TNT+Ba(NO3)2Table2Statisticsofstabledetonationvelocityandaccelerating2zonelengthfor[TNT+Ba(NO3)2]explosiveA1150mm600mmB1100mm350mm0/mm/(ms-1)/mm95%/(ms-1)/mm2(a)201500325142516030162035515391724018153851724205501870415177722060200044519002412(c)201930385182420530210041519952414022004302090220502270445215722360235046022332322(e)202050445194829530220044520902654023004452185262502370460225223560244047523182530/mm/(ms-1)/mm95%/(ms-1)/mm2(b)201320310125416030153032514541724015903401511148501670158719360180017101902(d)201860265177013330208028019761754021802952071172502280295216618160234029521281812(f)2018002801710157301940295184017240200030019701805021403102040184602270345215421751:32#+Ba(NO3)2Table3Statisticsofstabledetonationvelocityandaccelerating2zonelengthfor[2#dynamite+Ba(NO3)2]explosiveA1150mm600mmB1100mm350mm0/mm/(ms-1)/mm95%/(ms-1)/mm3(a)201800325171012730200034019001934020503401948172502150340204317560220034020901843(c)202210310210017530240034022801724025003852375214502600385247021460267040025502113(e)202200370209022030250037023752054025503702423175502600385247019660275040026132503(g)202250355213819630230038521852054025004152375235502600445254728060282050526793370/mm/(ms-1)/mm95%/(ms-1)/mm3(b)20165022015685830190026518501874020002801900178502050295194817560213028020221723(d)201990310189121130220029520901724023802952250169502500310237518660252032523941903(f)201990265189013930230028021851754023602802242175502400280228016360254029524201723(h)202000280190014530218029520701514023002802185151502400310228017560260031024701634NH4NO3+Table4Statisticsofstabledetonationvelocityandaccelerating2zonelengthforANFOexplosiveswithvariouscontentoffueloilA1150mm600mmB1100mm350mm0/mm/(ms-1)/mm4(a)2013002503018503254022003555025803556028004004(c)2020002803021203404026003705027503406029003550/mm/(ms-1)/mm4(b)2010502353017502204020002805022002806024002954(d)20301990160402390295502590325602700340(8)2#+Ba(NO3)2(33),2#,,,100%2#(9)NH4NO3+(44),NH4NO3,61,,(10),,(4),()(11)20mm,,[4(b)(d)],(12)95%90%85%,,,,(23),2#+NH4NO3++,,,4(1),,,,,(2),,,,(),25Fig15Somedetonatingconditionsofhostexplosiveexcitedbyshockwaveswithvariousintensities(3),,,2-4(4)[5],5,(Di),Di(1)Di,2DiDc(Dc,),(3)(4)Co()Dc,,Co(5),,,4,(5),71:,,50mm,1mm,2%,(6),5(1)(2),(3),,:1,1[A]1[C]1:,1982121[J]1,2001(5):25-2613,1()[J]1,1998,8(1):37-4614,1()[J]1,1998,8(2):131-136151[M]1:,19741(27)4,:,1311m,915m;5m,1411m,1110m,12,;:12105s,2210s,4105s:1,1()[M]1:,1990121C[M]1:,1995131(,)[M]1:,1996141[M]1:,199715,,1()[M]1:,199316,1[M]1:,1985181