The surface cracks at the slopes after cushion blasting and normal blasting are investigated.
具有分段装药结构炮孔的缓冲孔爆破是边坡控制爆破方法之一。
In this paper, theory of water cushion blasting, structure of loading, tips of loading and structure of holes are proposed.
水介质缓冲爆破是提高炮采工作面块煤率的有效方法,介绍了水介质缓冲爆破原理、装药结构、装药注意事项和工作面炮眼布置等有关技术要点。
In order to dispel its limitation,a program of buffer finish blasting has been put forward as a substitution which could reach a better blasting result.
对多次试验效果进行实地考察后认为 ,在该矿靠帮爆破设计中 ,采用缓冲光面爆破取代传统的缓冲预裂爆破 ,可以取得更为良好的爆破效果。
Based on analyzing influencing factors,rock mass,time-dependent effect,exposure area and explosion impact were taken as main influencing factors for stope stability.
在对其影响因素影响分析的基础上,提出了岩体质量、岩体时效特性、采场暴露面积与爆破冲击为影响采场稳定性的主要因素,并应用岩石力学、损伤力学与数值模拟等方法,结合现场声波测试,从上述4个主控因素着手构建了其影响度函数与其影响权重,然后给出了采场稳定性综合评判方法与评判标准,并根据各影响因素的影响度,揭示了待采采场潜在的隐患与诱因,而后提出了相应的防范措施。
A combination of cushion blasting and line-drilling can be suitable.
缓冲爆破和轮廓线钻眼法结合使用可能比较合适。
The Impact Energy of Exceptionally Serious Cases of Explosion and Construction of Social Buffer System;
特大爆炸案的冲击能量与构建社会缓冲体系
The force of the blast dashed him against the wall of the cave
爆破的冲击波使他撞在洞壁上。
Analysising the failure effect of tunnel under the act of blast impact wave
爆炸冲击波对地下巷道破坏效应分析
The Numerical Simulations of Shocking Initiation Cluster Warlead
破片冲击起爆子母战斗部的数值分析
Numerical Simulation on Shock Initiation of Performed Fragment to Warhead
预制破片对战斗部冲击起爆数值模拟
The blast from the bomb blew out all the windows in the area.
炸弹爆炸的冲击波震破了这个地区的所有窗户。
Shockwave Monitoring and Transmission Characteristics Analysis of Underwater Explosion at Xiamen Harbor;
厦门海域水下爆破冲击波监测与传播特性分析
Numerical Simulation on the Impact Effect of Three Type Fragments Impacting Steel-covered Charge
三种破片对带壳炸药冲击起爆能力的数值分析
Parameter Optimization for Pillar-Burst-Prevention in Deep-Hole Blasting
深孔爆破防治煤柱冲击参数优化及应用
Numerical Simulation and Analysis of Shock Initiation of Shielded Explosive Impacted by Fragments
破片对屏蔽炸药冲击起爆的数值模拟和分析
Numerical Simulation of Shock Wave in Water of Underwater Drilling Blasting
水下钻孔爆破水中冲击波的数值模拟研究
Numerical Simulation for Pace of Roof-broken Deep-hole Blasting for Releasing Rock-burst Danger
冲击矿压解危深孔断顶爆破步距数值模拟研究
Application of Deep-holt Pressure Technology in Combat Rockburst
深孔爆破卸压技术在冲击地压防治中的应用
Application of Deep Blasting Relieving Pressure Technology in Rockburst Prevention and Management of Thin Seam
冲击地压薄煤层深孔爆破卸压技术的应用
Research on the Impulsion pressure and influence parameters of destress blasts in rock roadway
冲击矿压及岩石巷道卸压爆破影响参数研究
A steam-launch pushed its leisurely way through the smooth waters of the river with an occasional majestic hoot.
一条小火轮缓缓地冲破那光滑的水面，威风凛凛地叫了一声。
When this happens, a shock wave hits the earth and may break windows or cause ceilings to crack.
当声爆发生时，冲击波击打地面，可能震破窗户或造成顶棚破裂。