In this paper the author of underground coal mine deep hole blasting technology in this paper.
本文笔者就其中井下煤矿深孔爆破施工技术进行阐述。
In this paper, a new mining technique of mine-Deep hole blasting under water pressure is presented.
介绍了一种矿山开采新技术—深孔水压爆破。
Through deep hole blasting, water injection and roof strata of integrated management measures for the effective solution of the gas problem.
通过采取深孔爆破、顶板注水和矿压分析等综合治理措施，有效的解决了瓦斯问题。
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。
According to deep hole blasting practice, the wide hole spacing small burden technology is studied because the technology can improve quality of blasting.
根据深孔爆破工程实践，对宽孔距小抵抗线爆破技术进行了研究，该技术可改善爆破质量。
In the construction period of some flat earthwork deep hole blasting, the price of blasting materials was rising, so how to save the cost was the main problem faced the project.
某场平土石方深孔爆破施工期间，恰逢爆破器材价格上涨，如何节约爆破成本是此工程面临的主要问题。
Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.
正在翻译，请等待…路基挖石方采用风钻和潜孔钻打眼，小型松动爆破和深孔爆破，挖掘机和装载机装碴，自卸汽车运输，推土机配合。
To lower blasted boulder yield is one of the most important technical considerations in deep-hole blasting operations of mine.
降低深孔爆破落矿大块率是矿山凿岩中的一个重要课题。
Based on a practical project, the relationship between construction technology and cost control for deep-hole blasting is discussed.
以工程实践为基础，对深孔爆破的成本控制与施工方法、技术的关系进行了探讨。
It is special important meaning that Deep - hole blasting With bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.
深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏，减少大块率，提高爆破效率等方面均具有重要的意义。
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine , was obtained.
经过优化研究，得出了适宜于大冶铁矿井下中深孔爆破的优化方案。
According to specific geological conditions of Jiujialu mine area, deep-hole blasting open-air stage is explored in this paper.
根据九架炉采区具体地质条件，进行露天台阶深孔爆破的实践探索。
During open coal mining, short-distance deep-hole blasting brings tremor to nearby constructions.
在露天煤矿开采中，近距离的深孔爆破对于邻近单位建筑物会产生震动影响。
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。
The paper elaborated the application of level deep-hole blasting for excavation project in city.
阐述了水平深孔爆破在城区石方开挖中的应用，并初步探讨了水平孔爆破的破岩机理。
Short delay controlled blasting technology for deep hole loose is presented in this paper.
本文简要介绍了深孔松动微差控制爆破技术。
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。
Dagushan's iron mine whose iron ore is in its third fragmentation system is in the construction process, in which the vertical deep-hole blasting technology was adopted to excavate the fragment room.
介绍了大孤山铁矿在矿石三期破碎系统的建设过程中，采用垂直深孔爆破技术挖掘破碎峒室，使挖掘工期大幅度缩短。
The traditional deep-hole blasting for tunnels USES pure clay to stem the blast-holes. The efficient energy availability of explosive is not high and the specific explosive consumption is large.
传统的隧道深孔爆破采用纯炮泥堵塞炮眼，炸药的有效能量利用率不高，炸药单耗量大。
The stonework blasting of this contract USES construction program that combine blasting deep hole and smooth blasting.
本合同段石方爆破采用深孔控制爆破和光面爆破相结合的施工方案。
The engineering practice and the numerical simulation have been conducted on the millisecond blasting for ditching deep bore hole.
以工程实践和动力有限元程序分析沟槽深孔微差爆破问题。
Deep hole millisecond compression blasting was applied to stone quarrying, resulting in reduced harmful blasting vibration, anticipated blasting fragment size and ideal blasting effect.
在石料开采工程中，应用深孔毫秒延时挤压爆破技术，减少爆破震动危害，石料块度比较理想，取得良好的爆破效果。
Simulation on effect of stemming length to deep hole bench blasting;
大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
By use of deep-hole millisecond blasting technique, four large-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 relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
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。
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。
According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology.
根据石方开挖施工经验，计划采用潜孔钻机布孔进行深孔控制爆破技术施工。
According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology.
根据石方开挖施工经验，计划采用潜孔钻机布孔进行深孔控制爆破技术施工。
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