Discussion about two concepts of pressure desensitization
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摘要: 討論了壓力減敏與藥包間距之間的關系,建立了減敏程度與藥包間距關系的理想化模型.針對實際情況提出并深入討論了藥包的臨界壓死距離和臨界減敏距離兩個概念.用這兩個概念來描述壓力減敏與藥包間距之間的關系更加合理,可以加深對炸藥的壓力減敏現象的認識,有助于毫秒爆破炮孔參數設計.Abstract: The space between blast-holes is the main factor influencing on the desensitization of industrial explosives. The relation of pressure desensitization to the space between explosive charges was analyzed and ideally modeled. Two concepts of critical dead-pressing space and critical desensitization space were introduced and discussed based on the practice and it is reasonable to depict the relation by the two concepts. It is shown that the two concepts are helpful for understanding the desensitization of explosives and guidable to design blasting holes in millisecond blasting.
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