导爆管雷管反射四通捆串联起爆网路分析与应用

Analysis and Application of Nonel Detonator and Four-path Reflecting Unit Tied Serial Initiation Network

导爆管雷管反射四通捆串联起爆网路有单式、单式加强、复式加强、复式交叉等4种形式,其中复式交叉起爆网路可靠性最高。运用可靠性理论和统计分析方法,对导爆管雷管反射四通捆串联复式交叉起爆网路的可靠性进行了计算和分析。结果显示:随着结点阶数增大,起爆网路的可靠度减小;但是增至第3阶后,网路的可靠度不再减小,而是保持不变;复式交叉起爆网路是理想的起爆网路。研究结果在基坑支撑拆除爆破工程实践中得到验证。

The method of Nonel detonator and four-path initiation network consists of single, strengthened single, strengthened double and strengthened double-cross network. The double-cross network was most reliable. Using the reliability theory and statistics analysis method, the reliability of double-cross initiating network was analyzed. The network＇s reliability reduced with the node＇s order increasing. But when up to three order, the network＇s reliability began to keep unchanged,therefore,the double crossover initiation network was considered to be a much ideal detonation network and was verified in demolition blasting.