您要查找的是不是:
- Mid-depth parallel cut blast technology of small diameter hole in narrow-bore tunnel 小断面隧洞小直径空眼中深直眼掏槽爆破技术
- parallel cut blasting 直眼掏槽爆破
- The study has provided a ba se for design of blasting paramete rs of parallel cut. 为含空孔直眼掏槽爆破参数设计提供了依据。
- single helix parallel hole cut blasting 单螺旋直眼掏槽
- The parallel cut is a key technique for excavation of tunnel s by deep-hole blasting.The depth of a blast-hole affects the cut bl asting greatly. 直眼掏槽是隧道掘进深孔爆破中的关键技术,炮孔深度对掏槽爆破效果有重要影响。
- The paper studies on influence factors of cut blasting in crack rock mass, gives relative waysand principles of hole pattern base on crack distributed. 对裂隙岩体中掏槽爆破布孔的影响因素进行了研究,并根据裂隙分布的情况提出相应的布孔方法和原则。
- The development and the present situation of the cut blast theory and technology are summa rized in this paper. 本文对构槽爆破理论和技术的发展现状进行综述,分析了掏槽爆破理论研究有待深入的若干问题。
- Abstract: The parallel cut is a key technique for excavation of tunnel s by deep-hole blasting.The depth of a blast-hole affects the cut bl asting greatly. 摘 要: 直眼掏槽是隧道掘进深孔爆破中的关键技术,炮孔深度对掏槽爆破效果有重要影响。
- The developments of cut blast theory and technology are expounded and the new method of cut blast with holes perpendicular to the work face in drift is put forward. 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。
- Abstract: The application of cut blasting of the middle of the stope in Ekou iro n mine was introduced, a set of practical blasting parameters were achieved and good blasting effect was obtained. 文摘:介绍了采场中部掏槽爆破在峨口铁矿的应用,并得出了一组切合实际的爆破参数,取得了较好的爆破效果。
- In this papere analysed the differences in mechanism of burn cut blasting,cut way and its blasting parameters as well between drift and shaft and propose that cylindric burn cut way of no uncharged hole should be applied in the cut of burn of drift. 分析了平巷与立井直眼掏槽爆破机理、掏槽方式及其爆破参数的差异,提出了平巷直眼掏槽应采用无空孔直眼筒形掏槽方式。
- The application of cut blasting of the middle of the stope in Ekou iro n mine was introduced, a set of practical blasting parameters were achieved and good blasting effect was obtained. 介绍了采场中部掏槽爆破在峨口铁矿的应用,并得出了一组切合实际的爆破参数,取得了较好的爆破效果。
- 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。
- 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 construction of Yuhuai railway from Chongqing to Huaihua is faced with a great lot of cutting blasting engineering in layered rock masses. 渝怀(重庆至怀化)铁路的修建面临着大量的顺层石质路堑爆破开挖施工。
- It was a very cold day, with cutting blasts of wind. 那一天很冷,刮着刺骨的寒风。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- In order not to be late, she cut across the fields. 为了不迟到,她抄近路穿过田野。
- Experimental and theoretical study of parallel hole cut blasting with cavity 空孔直眼掏槽成腔模型理论与实践分析
- The railway lines run parallel to the road. 铁路线和那条道路平行。