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- The study shows that the shape of effective stress field of deep hole bench blasting is quasi ellipsoid and the tip effect appears at both ends. 采用三维有限元数值分析法,通过建立三维有限元计算模型,分析堵塞长度对堵塞区有效应力场的影响。
- Down--hole bench Blasting 深孔台阶爆破
- Analysis of Selecting Spacing Factor for Front Row of Deep Hole Bench Blasting 深孔梯段爆破前排密集系数的选择分析
- The Testing Research on the Cracking Zone of Deep Hole Bench Blasting of Mixed Loading Emulsion Explosive 混装乳化炸药深孔梯段爆破破裂范围试验研究
- Keywords deep hole bench blasting,Effective stress field,,,,,photo-elastic holograph,3-D dynamic element method; 深孔台阶爆破;有效应力场;全息动光弹;三维动力有限元;
- Numerical simulation of rock remain damage characteristics under single hole bench blast 单孔台阶爆破中保留岩体损伤特征的数值模拟
- Long hole bench blasting 深孔台阶爆破
- Bench blasting is the most usual type of blasting work. 梯段爆破是最常用的爆破工程之一。
- The basic charge calculations have been concentrated round bench blasting. 装药计算的重点主要放在梯段爆破上。
- Stopping can very well be compared with bench blasting but requires considerably larger charges. 崩落则十分相似于梯段爆破，只不过所需的装药量比较大一些。
- The construction technique of deep-hole bench blasting and presplitting blasting applied for excavation of Dadingzhishan Lock engineering is described. 摘要介绍大顶子山船闸工程闸塘石方开挖中深孔梯段爆破、预裂爆破施工技术。
- Some measures for reducing the rate of large boulder in bench blasting of open-pit are introduced in combination with bench blasting operation, dealing with blasting parameter, blasting materials etc. in Yunfu Pyrite Mine. 摘要结合云浮硫铁矿台阶爆破生产实践，从影响爆破作用的爆破参数和爆破材料等因素出发，介绍了降低台阶爆破大块率的几种途径。
- Open the air hole; the fire is dying down. 把气孔打开，火要熄了。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- Application of Air Space Device to Bench Blasting 空气间隔器在台阶爆破中的应用
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- The old man threw himself down on the bench and fell asleep. 老人一头倒在长凳上就睡着了。
