现代爆破理论及其新进展

X(530023),,,1,,,2:;;2.1,,:,C.W.2.1.1:Q=q.W3(1):Q-,:kg;q-,:kg/m3;W-,:m,,,:Q=f(n).q.W3(2)10219976GuangxiGeologyVol110No12Jun11997X1997120©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:n-,f(n),,:f(n)=0.4+0.6n3(3)..,,,,::W20m,Q=(0.4+0.6n3).q.W3W20(4):W15m,Q=(0.4+0.6n3).q.W3W15(5),(),,,2.1.2C.W.C.W.,:,,,,,C.W.1(V/Q)():Lj=0E(Q0)1/3(6):Lj,m;Ej;Q0,kg;0,C.W.(1)VLy:Ly,VLj,VLj,Ly,V,V/Q-,,,,,2.1.3,O.E.1945,,,0819976©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.::525x2+525y2+525z2=C(7)(),,,()2.22.2.12060,,(),,,,,,,(),221-;2-,,,:()5%15%,50%,,N.U.,1530,2.2.2:,U.U.,,(),,,,,U.,:,,PsPd18102:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1/21/42.2.3,L.C.(Long)1972:30005000m,12ms(3).(4),(5),,,,345,,,2.32.3.12080,:,,,,,,,,2819976©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.3.2,56GPa,50005500m/s,,,SHPB(40m/s,100MPa),:,,,,,,,;,,,,2.3.3,90,,4:(1);(2);(3);(4),,,3,,,,,,,,1,:,19962,,19913,,19904,,19925,,1993,4(12)6,,,1993,2(5)7N.,,:,199638102:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.8,:,19929,,1989,9(4),19699,19947,,19959,19977:1:530023:[phone]-2281MODERNBLASTINGTHEORYANDITSNEWADVANCESLiTonghua,TangChunhai,ZhaoMingte&LiZhizong(NanningZhenyuBlastingHigh-NewTechnologyDevelopmentCorporationofGuangxi,Nanning530023)ReceivedJanuary20,1997;RevisedversionacceptedMarch20AbstractThestudyhistoryoftheblastingtheoryisdividedintothreedifferentstages,eachhavingitsownrepresentativetheory.Inthepaper,theauthorsintroduceandanalysethekeypoints,advantagesanddisadvantagesoftheblastingtheoryindifferentstagesanditsnewadvances.Alltheseareofimportantguidetoengineeringblastingpractice.KeyWords:blastwave,expansivepressureofblastinggas,tensibledamage,fissuredbody,dynamicload,computermodelling4819976©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.