The method of breaking rock by blasting comprises drilling of boreholes, loading of a blasting charge with a means of initiation therein and stemming. The stemming is made up of a phlegmatized low-velocity explosive.
申请公布号
US4864933(A)
申请公布日期
1989.09.12
申请号
US19880218657
申请日期
1988.07.13
申请人
INSTITUT GORNOGO DELA IMENI A.A. SKOCHINSKOGO
发明人
KUSOV, NIKOLAI F.;PSHENICHNY, VALENTIN I.;CHAKVETADZE, REVAZ A.;KREKKER, GENNADY Y.
