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- Keywords Bench blast;Precision microsecond delay;Hole-by-hole firing;Fragment size distribution; 台阶爆破;精确微差;逐孔起爆;块度分布;
- Keywords Bench blasting;Long-hole blasting;Blastability;Cost analysis; 台阶爆破;深孔爆破;可爆性;成本分析;
- 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。
- Keywords Bench root;Piercing reaming;On site test; 台阶根底;火钻扩孔;现场试验;
- 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。
- Keywords open bench;triangle hole layout;oblique initiation;iso-resistance free face;millisecond time;bench blast; 露天台阶;三解形布孔;斜线起爆;等阻力自由面;微差间隔;台阶爆破;
- 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。
- 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。
- Keywords Bench marking;KDD;DEA;M arking analysis;Suggestion; 对标;数据包络分析;数据挖掘;分析计算;对策建议;
- Keywords bench slope;moraine soil;reliability;failure probability; 台阶边坡;冰碛土;可靠度;破坏概率;
- Keywords bench test;gasoline engine oil;unleaded fuel; 台架试验;汽油机油;无铅燃料;
- 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。
- Keywords Blocky rock;Bench blasting;Blasthole stemming; 块状岩体;台阶爆破;炮孔填塞;
- Keywords springing blasting;bench blasting;sandrock mines; 药壶爆破;浅孔台阶爆破;砂岩矿山;
- 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
- Application of Air Space Device to Bench Blasting 空气间隔器在台阶爆破中的应用
- Keywords Bench multi-row blasting;Clay-tamped length;Concentrated explosive charge;Extended explosive charge; 台阶多排孔爆破;堵塞长度;集中药包;延长药包;
- Keywords bench combination;high wall;subarea-subsection mining;multi-channel layout; 并段;高台阶;分区分段开采;多通道布置;
- Attempt of High Bench Blasting with Elimination of Its Foundation 高台阶爆破消除根底的方法尝试