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《ENGINEERING BLASTING》 1995-01
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PLANE SEPARATED CHARGING AND MULTIPLE THROWING-LOOSENING IN CONTROLLED CUTTING CHAMBER BLASTING

Li Yi;Bai Yunlong; Wang Lian;Zhang Shiping(Shanxi Mining Institute)  
Authors of this paper thoroughly investigated and studied,from the angle of roadbed blasting formation, the stability of higher slopes and comprehensive shock absorption, the chamber blasting of large charge for roadbed excavation of expressway and its use also is proposed a new design method of plane separated charge and multiple throwing-loosening in con-trolled cutting chamber blasting,The technical measures adopted could great-ly reduce the shock damage to rock slopes and result in very good road-bed formation,even charge distribution and rock fragmentation with small shock effect,It is very useful and valuable to highway, railway,espe-cially Wide roadbed excavation.
【CateGory Index】: TD235.37
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