基于正交试验的小断面巷道掏槽爆破参数确定
章逸锋,李洪超,张智宇,李恒

Determination of Blasting Parameters for Excavation and Cutting of Small Section Roadways Based on Orthogonal Experiments
Yifeng ZHANG,Hongchao LI,Zhiyu ZHANG,Heng LI
表1 岩石力学性质参数
Table 1 Rock mechanical properties parameter
岩性抗压强度/MPa抗拉强度/MPa纵波波速/(m·s-1横波波速/(m·s-1动弹性模量/MPa密度/(g·cm-3动剪切模量/MPa
大理岩60.36.625 2682 98960 913.872.7024 122.13
氧化矿72.34.824 8323 22158 866.192.4122 178.66