摘要
采用ANSYS非线性三维动力有限元软件,对坚硬岩石条件下九孔掏槽方式,在炸药爆炸荷载作用下应力产生、传播机理,进行了计算机数值模拟。结果得到了该掏槽方式在不同时刻的应力分布云图和几个典型单元的应力-时间历程曲线,从中可以清楚地看出应力波传播规律,能为其它类似爆破数值模拟和爆破参数选择提供借鉴。
By using the ANSYS/LS-DYNA 3D nonlinear dynamic finite element software, the elasticity calculation model was established to analyze the generation and transmission of stress under explosive charge in 9-holes cutting patterns, yielding the stress distribution cloud atlas and stress-time curves of some typical elements of the mode in different time, The simulation results showed the transmission rule of stress and provided the reference for similar cases.
出处
《爆破》
CSCD
2005年第3期17-20,25,共5页
Blasting
关键词
坚硬岩石
九孔掏槽
数值模拟
hard rock mass
9-holes cutting
numerical simulation
