煤矿下山巷道水与空气不耦合装药爆破技术对比研究
汪海旭,宗琦,汪海波,王梦想

Water-uncouple Charge Blasting Technology for Diphead Roadway in Coalmine
Haixu WANG,Qi ZONG,Haibo WANG,Mengxiang WANG
表1 混凝土模型的物理力学参数
Table 1 Physical mechanical parameters of concrete model
参数数值参数数值
密度/(kg·m-32横波波速/(m·s-12 086
动态弹性模量/GPa24.7抗压强度/MPa28.86
泊松比/μ0.23抗拉强度/MPa1.60
纵波波速/(m·s-13 788