精确延时爆破振动速度峰值预测模型  

Peak vibration velocity prediction model of precision delay blasting

作　　者：李顺波[1] 杨仁树[1] 杨军[2] 

机构地区：[1]中国矿业大学(北京)力学与建筑工程学院,北京100083 [2]北京理工大学爆炸科学与技术国家重点实验室,北京100081

出　　处：《工程爆破》2016年第3期79-82,90,共5页Engineering Blasting

摘　　要：根据几何地震学的基本原理,以单孔爆破振动速度峰值为基础,按照毫秒延时时间间隔建立精确延时逐孔起爆振动峰值预测模型。不仅可以预测爆破振动速度峰值,而且能够直观地展现爆破区域范围内振动峰值的变化情况,并能从保护区域内振动峰值出发,设定合理的毫秒延时间隔时间。根据现场应用数码电子雷管的深孔爆破实验,该方法计算的预测振动峰值与实测振动峰值吻合良好,计算结果可靠性较好,可以在实际工程中推广使用。According to the basic principle of geometric seismology,with single hole blasting peak vibration velocity as basis and in accordance with the millisecond delay interval,the peak vibration velocity model of precision delay blasing with hole by hole was established.The results showed that the developed method could be used to predict the blasting vibration velocity peaks,it also could intuitively show the variation of blasting peak vibration velocity in the region and reasonable millisecond delay interval was set from the peak in protection region.The calculated velocity was coincident with the recorded ones in the deep hole blasting tests using electronic detonators.It indicated that the developed predication method was reliable for engineering applications.

关 键 词：精确延时 爆破振动 预测模型 振动速度峰值 

分 类 号：TD235.47[矿业工程—矿井建设]