A new method of fracture controlled blasting was presented, which makes use of different coupling mediums (water and gas) to carry blasting in the hole at the same time.
提出了一种新型的断裂控制爆破方法——在炮孔内同时利用不同的偶合介质(水和空气)爆破法。
Serial blasting crater test method was used in underground medium and deep hole mining of Dahongshan copper mine for determining drilling and blasting parameters, and good results were obtained.
大红山铜矿地下中深孔采矿中，采用系列爆破漏斗试验方法确定中深孔采矿凿岩爆破参数，取得了较好的效果。
The basic principle and design method on the hole by hole blasting technique are described, and the practical result of this technology in domestic open-pit mine are introduced.
介绍逐孔起爆技术的基本原理、设计方法以及逐孔起爆技术在露天矿山生产中的良好效果。
In the light of its practical production, the monitoring method and results of deep hole blasting vibration in Wulongquan Open pit are expounded.
结合乌龙泉露天矿的生产实际，阐述了该矿深孔爆破震动的测试方法和测定结果。
The undermine method of well drilling technology once of blasting is put forward as well as the calculation of blasting parameters and the demand of implementation for hole.
介绍了爆破一次成井技术在漂塘钨矿的应用实践，提出了爆破一次成井的掏槽方式，爆破参数的设计计算方法和炮孔的施工要求。
Through the analysing of mechanism of breaking rock in a hole explosion, the principle and design method of a crushing blasting is expounded.
通过对炮孔爆破的破岩机理分析，论述了挤压爆破的原理；
The principle of the scheme selection of horizontal-hole blasting for highway cutting excavation and its design method of blasting parameters are emphatically introduced.
介绍了公路路堑水平深孔爆破的方案选择原则及其爆破参数设计方法。
The method of coal cutting adopts deep-hole blasting and realizes no people in the face, this decreases risk when workers are working in the face.
煤柱回收采用深孔爆破的方法落煤，减少工人在工作面打眼的危险。
In the paper, the charge weight is discussed using the energy method, and the charge weight of the first hole-springing explosion is determined for deep-hole springing blasting.
利用能量方法，对初次爆扩用药量的问题进行了探讨，确定了深孔药壶爆破初次爆扩的用药量。
The parameters and layout of linear shaped charge, and the hole-pattern parameters, charging structure and priming method for long-hole blasting were discussed.
讨论了线形聚能装药的参数、设置方法以及深孔爆破的布孔参数、装药结构、起爆方法。
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
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。
This paper introduced a new method for it, ie continuous stoping of room and pillar in stages and to fill mined bed with falling roof by deep-hole blasting.
本文提出了一种矿房矿柱阶段性连续回采，深孔放顶处理空区的采矿方法。
Based on the comparisons in technology economy, rock specification, and surroundings, this paper proposes the deep-hole controlled blasting method.
通过技术经济、石料规格及周边环境等综合因素的比较，提出采用深孔微差爆破方案。
Based on the comparisons in technology economy, rock specification, and surroundings, this paper proposes the deep-hole controlled blasting method.
通过技术经济、石料规格及周边环境等综合因素的比较，提出采用深孔微差爆破方案。
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