摘要
光面爆破在巷道掘进中起到举足轻重的作用,参数的选取直接决定了光面爆破的效果.目前参数选择主要是通过经验法确定,具有不确定性.针对巷道掘进光面爆破特点,运用有限元软件ANSYS/LS-DYNA,研究巷道光面爆破中炮孔间距与不耦合系数之间关系.研究结果表明:通过数值模拟确定的光面爆破能够达到良好的爆破效果,便于指导现场实践.
Smooth blasting plays an important role in tunneling.The selection of parameters directly determines the effect of smooth blasting.At present,the parameter selection is mainly determined by empirical method,which is uncertain.According to the characteristics of smooth blasting in tunnel excavation,the finite element software ANSYS/LS-DYNA was used to study the relationship between blast hole spacing and decoupling coefficient in the smooth blasting of the tunnel.The results show that the smooth blasting determined by numerical simulation can achieve good blasting effect,which is convenient to guide field practice.
作者
王东旺
袁绍国
WANG Dongwang;YUAN Shaoguo(Mining and Coal School,Inner Mongolia University of Science and Technology,Baotou 014010,China)
出处
《内蒙古科技大学学报》
CAS
2022年第4期323-328,共6页
Journal of Inner Mongolia University of Science and Technology
