本文论述了水垫层在深孔爆破中的作用。
This paper describes the effects of bottom water cushion on long hole blasting.
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 the author of underground coal mine deep hole blasting technology in this paper.
降低深孔爆破落矿大块率是矿山凿岩中的一个重要课题。
To lower blasted boulder yield is one of the most important technical considerations in deep-hole blasting operations of mine.
大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
The blasting boulder yield is an important quality indicators in the step long-hole blasting of surface mine.
大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
Simulation on effect of stemming length to deep hole bench blasting;
本文分析了露天矿深孔爆破长期沿用的连续装药结构存在的问题。
This paper analyses problems concerning the conventional continuous loading structure in open mining deep borehole blasting.
中深孔爆破广泛地应用于公路路堑开挖、机场整平等基础建设中。
Medium-length blasting is widely applied to the basis construction, such as the cutting excavation of the highway and the land leveling of the construction of airport.
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。
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine , was obtained.
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。
According to specific geological conditions of Jiujialu mine area, deep-hole blasting open-air stage is explored in this paper.
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 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.
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 principle of the scheme selection of horizontal-hole blasting for highway cutting excavation and its design method of blasting parameters are emphatically introduced.
提出了露天矿深孔爆破中降低大块率的技术措施。给出了矿山应用的实例。
Besides some measures for reducing BYof borehole blasting application in open pits are provided here.
在立井井筒施工中，采取中深孔爆破施工方法，是立井快速施工的有效途径。
In shaft construction, using the method of middle-deep hole explosion can fast and effective build shaft.
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。
During open coal mining, short-distance deep-hole blasting brings tremor to nearby constructions.
以两个工程为例，介绍了在城镇基坑开挖工程中采用了大孔径深孔爆破技术。
Taking two of projects as examples, the paper discussed the technology of large diameter borehole blasting applied in the excavation of footing groove in city.
本文阐述了露天深孔爆破的钻孔施工工艺，对露天爆破钻孔有参考和指导作用。
The essay expatiates the techniques of borehole in surface blasting, and instructs the construction of borehole in surface blasting.
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。
In the light of its practical production, the monitoring method and results of deep hole blasting vibration in Wulongquan Open pit are expounded.
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。
Based on a practical project, the relationship between construction technology and cost control for deep-hole blasting is discussed.
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。
Through deep hole blasting, water injection and roof strata of integrated management measures for the effective solution of the gas problem.
从目前已有的研究状况来看，对盲天井深孔爆破一次成井的理论和试验研究还不多。
But till today, researches on completion of blind shafting in deep-hold blasting theory and experiment were not many.
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。
The paper elaborated the application of level deep-hole blasting for excavation project in city.
据此提出完成这一设计思想应采取深孔爆破、水压爆破及浅眼爆破相结合的最佳方案。
On these grounds, it is confirmed that the general blasting scheme of combining the long-hole and short-hole blasting with water-pressure blasting should be adopted so as to realize the design idea.
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。
The parameters and layout of linear shaped charge, and the hole-pattern parameters, charging structure and priming method for long-hole blasting were discussed.
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 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.
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。
According to deep hole blasting practice, the wide hole spacing small burden technology is studied because the technology can improve quality of blasting.
作者研制出一个集爆破参数、矿岩破碎度与采矿总成本为一体的深孔爆破优化设计系统软件。
A software system for optimizing blasting design integrating the determination of blasting parameters, the size of ore fragment, and the package mining cost is developed.
简要论述了深孔爆破提高瓦斯抽放的机理，以煤体中柱状装药爆炸后的裂隙圈半径进行了计算。
The principle of increasing gas emission rate by long hole blasting in the crossing hole is discussed. The radius cracked zone in coal seam caused by long hole blasting is calculated.
根据爆破自由面形成的时间和破碎岩石飞行的时间，探讨了深孔爆破各作用炮眼的合理延期时间；
According to the time to form the blasting free face and the time for the broken rock flying, the paper discussed the rational delay time of each functional borehole in deep borehole blasting.
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。
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。
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.
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