进路充填法爆破扰动诱发充填体破坏规律研究
田军,刘建坡,杨勇,张长银
Study on the Failure Law of Backfill Induced by Blasting Disturbance During Cut and Fill Mining Process
Jun TIAN,Jianpo LIU,Yong YANG,Changyin ZHANG
表1
炸药参数
Table 1
Explosive parameters
参数名称
炸药参数值
参数名称
炸药参数值
密度/(kg·m
-3
)
1 244
R
1
4.2
爆速/(m·s
-1
)
4 200
R
2
0.9
爆压/GPa
3.16
ω
0.15
A
/GPa
214.4
E
/GPa
4.192
B
/GPa
0.182