• 然而爆破方法作为一种手段煤矿井下广泛使用,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.

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  • 摘要随着煤矿生产机械化程度不断提高作为传统采煤方法爆破逐渐机械采煤所代替

    Abstract: with the mine production mechanization degree unceasing enhancement, as a traditional method of coal blasting fall coal mining machinery has gradually be replaced.

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  • 具有冲击危险工作面进行研究表明,电磁辐射完全可以预测煤矿冲击压危险,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.

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  • 阳泉煤矿根据多年施工实践经验分析光面爆破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.

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  • 露天煤矿开采中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.

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  • 许楼煤矿人工冻结巨厚砾岩施工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.

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  • 综合分析了煤矿井下爆破作业产生拒爆的主要原因,并根据煤矿安全规程爆破安全规程》提出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.

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  • 分析煤矿井下爆破串联原因提出了一些办法措施,对预防串联丢炮一定的作用

    Factors of influencing commercial electric detonator to misfire in series in coal mining are analysed and measures are put forward in this paper.

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  • 煤矿井下炮采工作面一个非常复杂灾害环境系统,又由于时间、空间限制,使得炮采工作面爆破作业引发事故可能性增加

    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.

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  • 煤矿采掘地面爆破施工中,爆破可靠性是个重要环节

    Blasting reliability is key to the coal mining operation and ground blasting.

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  • 本文介绍护壁爆破原理方法以及煤矿潍坊煤矿应用情况。

    This paper introduced the principle and method of protecting borehole wall blasting and its application in the Dongxia and Weifang coal mine.

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  • 介绍定向断裂爆破施工工艺及其邢台煤矿应用效果

    Introduced the directional broken blasting technology and application results in Xingtai coal mine.

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  • 实践表明煤矿岩巷掘进中使用准直眼方式能够取得良好爆破效果显著技术经济效益

    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.

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  • 本文笔者就其中井下煤矿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.

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  • 文中介绍煤矿炮采工作面使用微差控制爆破技术依据技术要点安全措施实际效果

    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.

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  • 介绍汾西矿业集团1956年以来煤矿井下发生爆破事故,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.

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  • 根据露天煤矿台阶抛掷爆破现场工况相似准则,建立了高台阶抛掷爆破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.

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  • 爆破卸压方法对维护煤矿岩巷道具有广阔应用前景

    Destressing blasting has a broad prospect in roadway maintenance in soft rock.

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  • 系统介绍毫秒爆破技术协合煤矿煤层炮采工作面的试验应用情况。

    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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  • 系统介绍毫秒爆破技术协合煤矿煤层炮采工作面的试验应用情况。

    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.

    youdao

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