【摘要】 基于现有光面(预裂)爆破设计的现状,为达到精细控制炮孔各方位压力、保护保留岩体、控制爆破损伤的目的,本文分析了水介质偏心不耦合装药爆破的爆破特性及其优越性,得出了基于弹性理论及波动理论的水介质偏心不耦合装药爆炸时的孔壁压力公式,并得出了最优药柱位置的计算公式.为了便于工程设计,还对药柱位置与孔径、药径之间的关系进行了研究.研究结论能为控界保护性开挖爆破设计及相关研究提供参考.更多还原

【Abstract】 Based on the current situations of the existing smooth( pre- splitting) blasting design and previous researches,this paper analyzes the blasting characteristics and superiority of water medium eccentric decouple charge blasting,in order to achieve the fine control on hole pressure,protect the reserved rock mass and control blasting damage. The hole wall pressure size formula is obtained by using the elastic theory and wave theory,and the formula of optimal explosive column position is found. To facilitate the engineering design,this paper studies the relationships between explosive column position and aperture,drug diameter. The conclusions can provide some references for controlling the protective digging blasting design and related researches.更多还原