中深孔爆破在长山废弃矿山治理工程中的应用

(,310016):,,,,,.:;;;:TD235.4:B:1008-536X(2008)02-0074-003OnDeepHoleBlastinginScrappedMinesImprovementZHANGYong(ZhejiangQiantangWaterConservancyEngineeringCompany,Hangzhou310016,China)Abstract:Thepaperintroducestheapplicationofdeepholeexplosioninthelong-disusedsaltminesinChangshan,Haiyan,basedonthedeepholeblastingcasesintheopen-airstage.Italsoprovidesamoredetailedexplanationforthechoosevariousparameters,whichisagoodreferenceforthesimilarconstructionprojectsinthefuture.Keywords:deepholeblasting;openstage;drillhole;blastingcontrol1200t,.,6,15m,93m78m63m48m33m18m8m.5m.,,500m,150m.893m,,,,.22.1,,,,,,:2008-04-10:(1975-),,,..15m.2.2;;.,75.;,,,2m1m,,1.2.3,,,.,[1].202Vol.20No.220086J.ZhejiangWat.Cons&Hydr.CollegeJun.2008;13.(1)CM351DQ100B,115mm89mm.,,,.(2),;,,,.,,5m,,,,2[2].1;2;3;4;524,,[3]:(1)W:W=(2050)d,,W35d.(2)d,115mm,89mm.(3)a:a=mw,m,1.35.(4)b,,,S=ab.(5)h2040,,10m,35,10m,30.(6)h,,:h=(0.150.35)w,0.30w,1m.(7)q,,0.4kg/m3.(8)Q:Q=qabH,,Q1=KQ:K,1.1.,:Q2=0.8qab(15-2-2),1.,,,,,,.5[4]:RF=40d/2.54:RF,m;d,cm.2:751/mm/m/m/m/m/m/m/kg/m/m/(kg/m3)89151163.04.02.5699.63.00.4115151164.55.03.21008.54.00.489mm,,140m.140m,,,,.6.Q=[R(v/k)1/a]3:Q;RV,,V2.5cm/s;K;a.,ka:k=180,a=1.6.,1).720071),.[M].:,1980.7,80t,,,,,.8(1),,.(2),,.(3),.:[1],,.[M].:,2004.[2].[M].:,2003.[3],.[M].:,2002.[4].[M].:,2007.,,38.,,,.,.,.200.7620