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A DIRECTIONAL BLASTING TECHNIQUE IN PRESSURE TUBE SEAT CONSTRUCTION 压力管槽控制爆破施工技术
DIRECTIONAL BLASTING TECHNIQUE FOR THE BUILDINGS CONSTRUCTED ON SIDESTEP LANDFORM 基础跨台阶的楼房定向爆破技术
directional blasting technique 定向爆破技术
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 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。
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 abandoned building will be demolished through directional blasting tomorrow. 这个废弃建筑，明天就要进行定向爆破。
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。
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。
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。
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。
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。
The practice of hydraulic blasting demolishing the pool of water tower while directionally blasting the water tower is introduced.A new T-type notch was utilized in the directional blasting. 介绍了在水塔定向爆破的同时对预拆水塔的水箱进行水压爆破的实践，定向爆破采用了新型切口“T”型切口。
This paper introduces the m ining conditions and m ining processes of Longm enshan Lim estone M ine,and expounds the superiorities of the segm ent loading blasting technique. 介绍了龙门山石灰石矿的开采条件和开采工艺以及分段装药爆破技术的优越性。
Combined with two explosive demolition examples for overhauling blast furnace, the successful experienses of applying blasting technique in blast furnace overhaul are sumarized. 通过先后两次高炉大修拆除爆破实例，综述了爆破技术在高炉大修中全面应用的成功经验，使大修工期大大提前。
The paper introduced the wide hole-distance controlled blasting technique and in-situ determination of optimal blasting parameters around stope boundary. 控制爆破技术是采矿方法及回采工艺实施中的关键技术。
The armor might be penetrated by a direct blaster bolt, but would significantly reduce damage from the absorbed bolt. 爆能枪射流可能会击穿盔甲，但伤害力会明显减弱。
The cutting blast is a main applied technique among the urban controlled blasting techniques. 在城市控制爆破技术中,切割爆破是应用的主要手段。
Study is presented on how to form a pilot channel for great water supply with the millisecond-delay blasting technique in front of the lock along the wide river bed of the lower Yellow River. 本文提出的微差爆破开槽冲刷成渠方法,是在湿滩的情况下,用微差爆破技术形成可以冲开的最小引槽,引水冲刷,最终形成闸前引水渠的成渠方法。