一起硝酸铵爆炸事故的爆炸后果评价

14120083ENGINEERINGBLASTINGVol114,No11March2008:1006-7051(2008)01-0078-041,1,1,1,2(11,650093;21,650021):,,(),:;;;:TQ560172:AANAFTERMATHASSESSMENTOFEXPLOSIONACCIDENTOFAMMONIUMNITRATEWANGGuo2hua1,MIAOYan2gang1,DUANXi2xiang1,YANGYi1,CHENZhi2gang2(1.KunmingUniversityofScienceandTechnology,Kunming650093,China;2.PublicSecurityDepartmentofYunnan,Kunming650021,China)ABSTRACT:Thepaperassessedanaftermathofexplosioneventofammoniumnitratebycalculationoftheshockwaveoverpressure,blastingvibration,flyingdistanceoftheresultingfragments1Basedontheas2sessmentandtheresultedactualdamage,thepapersuggestedthattheaftermathofthisaccidentshouldmainlyconsiderthedamageresultedfromshockwaveoverpressuretopeopleanddestroyeffecttothecon2struction,andmeanwhile,theresultingvibrationandfragmentstothesurroundings1KEYWORDS:Ammoniumnitrate;Explosion;Accidentaftermath;Assessment:2007-10-28:,,,,,,,1122005912,18t,1350,5,1764447,,1616m1517m4102m,131Fig11Schemeofexplosioncratersurroundings,2Fig12Pictureofexplosioncrater3Fig13Pictureofcivilarchitecturebreakage2,(GB672222003),(1)3:p=14QR3+413Q23R2+111Q13R(1):p,105Pa;R,m;Q,,,kg;,:Q=qiqTQi(2):Qi,kg;qi,kJ/kg;qT,kJ/kg1kgTNT42304836kJ/kg,4500kJ/kg;,4000kJ/kg;18t,Q=16000kg,(1):/m88102120126/(105Pa)1100017601550150/m144170194222/(105Pa)0140013001250120/m40045810001486/(105Pa)01090107010301021,()21Table1Extentofdamagetohumanwithshockwaveoverpressure/(105Pa)012013,,013015,0151101101,18t88m,110105Pa,88m88126m,(015110)105Pa,126170m,(013015)105Pa,2,102m0176105Pa,(),102120m(01550176)105Pa,120144m,144194m,194400m400m318t,,,()(GB6722-2003),,(3):v=K(Q13/R)(3):v,cm/s;R,m;Q,,,kg;K,3397:23Table2Relationbetweenbuildingdestructionandshockoverpressure31234567p/(105Pa)010201020109010901250125014001400155015501760176/m14864001486194400144194120144102120102,,,,,5mm,,550mm,,50mm,,,,,,1mm12mm,2mm,3KTable3KvaluesofdifferentrockK50150113115150250115118250350118210,K=350=118,18t,:/m79116171251369/(cms-1)48103241061119761003100/m54276811281660/(cms-1)1150018001400120,4(GB/T1774221999),(,),18t,79m10,;79116m9,;116171m8,();171251m7,I,251m4Table4Relationofofearthquakeintensityandvibratoryphysicalquantity/(cms-2)/(cms-1)/mm/(cms-1)50100411810211410610121010020081116104118101210241020040016113210811161024104810400800321164101611321048084,:RF=20KFn2W(4):RF,m;n,015115;W,m;KF,110115,,n=115W=10mKF=115RF=675m,18t400m,251m,675m5,,70m,40m2;,55m,,;55700m;700m1000m6,,,,,,:1,1[J]1,2000,10(2):70-7412,,,1[J]1,2006,12(4):70-73131(GB6722-2003)[S]1:,2004.4,,1[M]1:,1997.51[M]1:,1994.6,Y,1[M]1:,1997.7,1[M]1:,2004.81[M]1:,2003.(84),(5),,,,,,,:1,,,1[M]1:,200412,1[J]1,2007(1):56-58131[M]1:,2005118: