• 最后上述方法试验工作面进行了评价,所得结果实际相符。

    Finally, the above method was evaluated in the trial coal mining face and the results obtained were same to the actual results.

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  • 详细介绍EBZ-160型智能化一体机2304工作面运巷进行工业性试验情况。

    This paper introduced the industrialness experiment of EBZ-160 intellectualized driving and anchor machine in Zhangcun Coal Mine 2304 face.

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  • 试验结果证明复合耦合装药结构可以降低工作面温度减小周围保留冻土爆破振动损伤

    The test results have proved that the compound non-coupling charging structure can reduce the temperature of the working face and the blasting vibration damage on the reserved frozen soil.

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  • 针对复合煤层回采工作面煤炭生产过程爆破参数合理选取问题,进行一系列现场试验

    To counter the reasonable selection of blast parameters in the process of coal production in a composite coal seam face, a series of on-the-spot tests were conducted.

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  • 通过物理模型试验研究集中爆炸荷载作用临近工作面端锚锚杆动态响应

    By physical model test, the response of end-anchored rockbolt close to working face is studied under blasting loading in mass charge.

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  • 通过相似模拟试验,对大段开采条件煤体靠底板侧煤体弱化程度不同情况下工作面采出进行了模拟研究

    With the similar simulation test, a simulation study on the mining rate of a coal mining with the top coal weaken in different degree and under the high cutting mining condition was conducted.

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  • 工业试验表明:开切眼巷道使用改进后锚杆支护,有利于工作面安全生产降低支护成本

    Commercial tests indicate that adopting the improved bolts are good for safety in production and can reduce support cost.

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  • 本文通过基础试验现场观测证明了掘进工作面瓦斯突出工作面煤壁盘形拉伸破坏连锁反应过程

    Based on laboratory experiments and in-situ observations, it has been proved that outburst of coal and gas in in-seam drivage is a chain reaction process of disc tensile fracture in a working face.

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  • 试验表明采用高效除尘器巷道凿岩工作面进行就地净化循环通风,使工作面粉尘质量浓度符合国家工业卫生标准

    The test results show that dust concentrations in tunneling working face can be satisfied with the national health standard by a high efficient deduster.

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  • 结合柳湾煤矿开拓巷道 ,顺槽和综采工作面切割巷 ,采用锚网支护试验金属作用机理进行重点研究。

    Based on introducing the working principles of the metal bar code, a method to manage drill string by planting metal bar code into the connection was developed.

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  • 据此,E12611E12504工作面进行工业性试验取得效果

    The industrial tests have been conducted at working faces E12611 and E12504, and good results have been achieved.

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  • 试验结果表明,采取措施不仅该矿综放工作面采空区火灾防治合理有效的,对条件类似矿井具有参考价值

    The study indicates that the given means not only are effective for Wangying coal mine, but also have reference value for the coalmine with similar conditions.

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  • 现场试验表明,这一种适于井下工作面钻进瓦斯预放短钻孔轻便高效钻机

    The field test indicated that the developed drilling rig is appropriate for underground pre-drainage of coal seams.

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  • 工业性试验结果表明工作面瓦斯巷道支护状况良好,问题基本得到了解决

    The result of practical experimentation indicates that the problem of floor heave in gas tail gateway having been basically solved.

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  • 工业性试验结果表明工作面瓦斯巷道支护状况良好,问题基本得到了解决

    The result of practical experimentation indicates that the problem of floor heave in gas tail gateway having been basically solved.

    youdao

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