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- Application of Smooth Wall Blasting Technique in Unstable Developing Drift 光面爆破技术在不稳固采准巷道中的应用
- smooth wall blasting technique 光面爆破技术
- Fracture control blasting, a new perimeter control technique, is an alternative to pre-splitting or smooth wall blasting which can be used to achieve better perimeter control results. 断裂控制爆破是一种新的周界控制爆破方法,用它取代预裂和光面爆破,可以获得更好的周界控制效果。
- The technology problems of blasthole depth,cutting blasting,smooth wall blasting,and directional blasting is discussed. 论述了掏槽爆破理论与技术的发展现状,提出平巷直眼掏槽爆破新方法。
- Keywords smooth wall blasting;blasthole depth;cutting blasting;directional blasting; 光面爆破;炮眼深度;掏槽爆破;定向爆破;
- smooth wall blasting 光面爆破
- The application of smooth blasting technique and the eflicient measu,cs in excavation of the underworkings are disc.ussed. 文章阐述了井下永久巷道光面爆破技术的应用和提高井下永久巷道开拓的光面爆破技术质量的措施。
- The smooth blasting technique is a good choice for laneway outline controlling,and it is widely applied at home and abroad. 光面爆破是一种控制巷道轮廓较好的爆破方法,在国内外广泛使用。
- （2）Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling.Control blasting loosely and side slope molding smoothing wall blasting. （2）石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。
- Well distension of urinary bladder with smooth wall. 膀胱扩张良好且膀胱壁是平滑的。
- The gall bladder is well distended with smooth wall. 胆囊扩大有光滑胆壁?
- The blasting technique of vertically parallel and dense bunch longhole is a new ore breaking technology. 垂直平行密集束状深孔爆破技术是一种新的崩矿技术。
- The importance of blasting technique and methods &ways to improve it by means of computer technique are discussed. 简要论述了爆破技术的重要性和采用计算机技术改进爆破技术的方法和途径。
- The method is to place two dielectric tapes which are set apart at a certain distance in the smooth wall horn. 其原理是在光壁喇叭中放置两个相距一定间隔的介质带。
- In this paper,the controlled blasting technique is adopted to demolish reinforced concrete frame structure in complicated surroundings. 作者采用控制爆破技术拆除复杂环境下钢筋混凝土框架结构物。
- By use of deep-hole millisecond blasting technique, four larg e-volume bridge piers under complicated circumstances were successfully demolished. 用深孔微差爆破技术成功地拆除了复杂环境下的四个大体积桥墩。
- CHARACTERISTICS： The precooler adopts red copper tubes with smooth wall for quick heat exchanging to avoid impurety to build up. 耐用稳定 冷冻式干燥机的预冷器采用高效换热光滑管壁紫铜管，防止压缩空气中的杂质粘附堵塞钢管表面，影响换热效果和使用寿命；
- The in-seam distressing entry layout is combined with concussion blasting technique,so that the tailentry in soft rocks can be effectively maintained. 首次提出了应用本煤层布置卸压巷并结合松动爆破技术解决沿空软岩巷道有效维护的难题。
- CHARACTERISTICS：The precooler adopts red copper tubes with smooth wall for quick heat exchanging to avoid impurety to build up. 耐用稳定冷冻式干燥机的预冷器采用高效换热光滑管壁紫铜管，防止压缩空气中的杂质粘附堵塞钢管表面，影响换热效果和使用寿命；
- Research result shows that controlling blasting technique is feasible to improve gas drainage under suction in hardness and low dialyzing coal bed. 研究表明，该技术用于坚硬低透气煤层，提高矿井瓦斯抽放率是可行的。
