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《Explosive Materials》 2011-03
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The Influence of Charge Construction on the Initial Shock Pressure and the Utilization Ratio of Energy

SONG Kejian,LONG Yuan,HU Xinyin,ZHAO Huabin,XIE Quanmin Engineering Institute of Engineer Corps,PLA University of Science & Technology(Jiangsu Nanjing,210007)  
Based on the stress-wave theory,the paper theoretically analyses each explosive situation of the coupling charge and decoupling charge,and so acquire the formulas of initial shock pressure which is produced by the different charging constitutions detonated in the hole.Especially to the air decoupling charge,it put forward a new formula which is verified its feasibility by comparative calculated.And transfer efficiency of the initial energy when charge explosion is also studied,the factors that affect the initial shock pressure and effctive utilization ratio are obtained.
【CateGory Index】: TJ410.34
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