1) springing blast
爆炸扩腔
1.
In this paper, the radius formulae of crushing zone and final chamber in a stemmed and coupling charge springing blasting have been derived according to the springing mechanism, the numerical simulations by LS DYNA 2D software are proved to agree with the results of the theoretical calculations.
从岩石的冲击压缩破坏机理出发 ,分析探讨了封闭条件下耦合装药爆炸扩腔的半径 ,并利用DYNA- 2 D有限元程序对软质板岩的耦合装药爆扩进行了数值模拟。
2.
Such research findings show that LS-DYNA 2D software can be made available for design and optimization of the parameters of springing blasting.
利用DYNA-2D有限元程序对敞口条件下岩石中的爆炸扩腔过程进行了模拟,与实际药壶爆破施工的扩腔条件相近,因此对爆破施工有非常重要的指导意义,完全可以用于深孔药壶爆破的优化设计,解决生产中“爆扩药量靠经验,腔体体积难估算”的问题,减少爆扩施工中的盲目性,对药壶爆破法的推广和爆炸扩腔理论完善均有重要的价值。
3.
The numerical simulation using LS DYNA 2D software displays objectively the process of rock fragmentation and chamber evolution in dfferent conditions,which suggests the software is valuable in the design and optimization of springing blast parameters and will play its due role in the spreading and development of the spring technology.
利用DYNA 2D有限元程序对封闭条件下岩石中的爆炸扩腔过程进行模拟。
2) explosion cavity
爆炸成腔
3) cavity explosion
空腔爆炸
1.
In this paper the Salmon ,s seismic source function (reduced displacement potential) is calculated by using the acceleration measured from the free field in the near region and the seismic source function of the cavity explosion is calculated too according to the explosion model where radial stresses are uniformly applied over the spherical surface and th.
3kt,埋深828m) ,利用近区自由场加速度测试数据,计算了它的震源函数Ψt(τ) ,并且根据一维球对称爆炸膨胀源理论,计算了弹性响应空腔爆炸源的震源函数Ψs(τ)。
4) explosive cavity
爆炸腔
5) exploding-overspreading
爆炸扩张
1.
As information\'s overspreading through the network,based on the target audience\'s psychology,three main network transmission group-effects came into being: network exploding-overspreading effect,network group-excursion effect and network maze effect.
在信息网络传播过程中,基于受众群体心理,形成了网络爆炸扩张效应、网络群体偏移效应和网络迷失效应。
6) expansion of blast cavity
爆腔扩展
1.
Experimental research on the expansion of blast cavity of de-coupling charge in coal;
煤体不偶合装药爆腔扩展过程
补充资料：核爆炸地震波探测(见核爆炸探测)
核爆炸地震波探测(见核爆炸探测)
nuclear explosion seismic detection
hebaozho dizhenbo tanee核爆炸地震波探测(nuclear explos，onseismie detecuon)见核爆炸探汉，l。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条