然而,爆破方法作为一种手段,在煤矿井下仍在广泛使用,在某些方面还是其它方法不能取代的。
However, blasting method as a means, in underground coal mine are still widely used, in some ways or other methods cannot replace.
摘要:随着煤矿生产机械化程度的不断提高,作为传统采煤方法的爆破落煤已逐渐被机械采煤所代替。
Abstract: with the mine production mechanization degree unceasing enhancement, as a traditional method of coal blasting fall coal mining machinery has gradually be replaced.
对具有强冲击危险工作面进行的研究表明,电磁辐射完全可以预测煤矿冲击矿压危险,检验卸压爆破效果,而且准确率高,效果明显。
According to the study of the working face with a strong probability of rock burst, the EME can be used to forecast the rock burst and to check the effect of unloading blasting in coal mine.
阳泉固庄煤矿根据多年来施工实践经验,分析光面爆破在煤巷锚杆支护施工中的应用。
According to the construction experience of Guzhuang coal Mine in Yangquan City for many years, the paper analyses the application of smooth blasting in coal laneway bolting.
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.
许楼煤矿在主井人工冻结巨厚砾岩段施工中,采用了控制爆破技术。
A controlled blasting technology was applied to the construction of freezing thick gravel stratum section in the main shaft of Xulou Mine.
综合分析了煤矿井下爆破作业中产生拒爆的主要原因,并根据《煤矿安全规程》和《爆破安全规程》提出了预防拒爆的措施以及正确处理拒爆的办法。
The misfire causes in coal mine blasting are analyzed. Based on the "coal mine safety regulation" and "blasting safety regulations", the preventing and handling measures are put forward.
分析了煤矿井下爆破串联丢炮的原因,提出了一些办法和措施,对预防串联丢炮有一定的作用。
Factors of influencing commercial electric detonator to misfire in series in coal mining are analysed and measures are put forward in this paper.
煤矿井下炮采工作面是一个非常复杂的灾害环境系统,又由于时间、空间的限制,使得炮采工作面爆破作业引发事故的可能性增加。
The coal face of blasting mine in underground coal mine is a very complicated system of disaster environment, the spatiotemporal limit increases the accident probability of blasting operations.
煤矿采掘和地面爆破施工中,爆破可靠性是个重要环节。
Blasting reliability is key to the coal mining operation and ground blasting.
本文介绍了护壁爆破原理和方法以及其在东峡煤矿、潍坊煤矿的应用情况。
This paper introduced the principle and method of protecting borehole wall blasting and its application in the Dongxia and Weifang coal mine.
介绍了定向断裂爆破施工工艺及其在邢台煤矿应用的效果。
Introduced the directional broken blasting technology and application results in Xingtai coal mine.
实践表明,在煤矿岩巷掘进中使用准直眼掏槽方式,能够取得良好的爆破效果和显著的技术经济效益。
The test results show that the better blasting effect and obvious technical and economic benefits in coal rock drivage can be acquired by means of the quasi-parallel cutting method.
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.
文中介绍了煤矿炮采工作面使用微差控制爆破技术的依据、技术要点、安全措施和实际效果。
In this paper, the basis, technical essentials, safety measures and practical effect using millisecond blasting technique at holing and blasting face of coal mines are introduced.
介绍了汾西矿业集团1956年以来煤矿井下发生的爆破事故,共分为8种类型。
There come the introductions of the explosion accidents have occurred in Fenxi Mining Group since 1956, they fall into 8 classes.
根据露天煤矿高台阶抛掷爆破现场工况和相似准则,建立了高台阶抛掷爆破的相似试验模型,推导了相似常数。
According to the actual condition of high bench in open cut coal mines and similarity law, a similarity model of high bench casting blast experiment was built and similarity constant was deduced.
爆破卸压方法对维护煤矿软岩巷道具有广阔的应用前景。
Destressing blasting has a broad prospect in roadway maintenance in soft rock.
系统介绍了毫秒爆破技术在协合煤矿极薄煤层炮采工作面的试验及应用情况。
This paper systematically described the test and application of millisecond delay detonation technique in blast-Winning face of very thin seal in Xiehe Coal Mine.
系统介绍了毫秒爆破技术在协合煤矿极薄煤层炮采工作面的试验及应用情况。
This paper systematically described the test and application of millisecond delay detonation technique in blast-Winning face of very thin seal in Xiehe Coal Mine.
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