• 本文介绍了德国煤矿沿空技术相应防治自然灾害措施

    This text introduces the technology of remained tunnel for continuous usage in work-out area in Germany coal mine and corresponding measures of preventing and curing natural disast

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  • 研究成果较大采高工作面沿空留巷技术提供理论依据借鉴经验

    The research result provides a theoretical basis and some useful experience for the gob-side entry retaining work of large mining-height working faces.

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  • 综放沿空留巷技术研究成果成功应用综放工作面实现集约化高效生产开拓了新路

    Based on the successful application of gob-side entry retaining at longwall top coal caving face, a new way for realizing intensive and high efficiency is put forward in thick seams.

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  • 材料充填沿空留技术由于采煤生产中的独特优点而愈来愈受到采矿高度重视,并逐步得到推广应用

    Due to the unique advantages in coal mining, the back fill technology with high water material for rib in used gateway is getting more and more special attraction from the coal mining industry.

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  • 通过理论分析实验研究现场试验本文率先国内初步建立了由断面断面沿空留巷组成的综放沿空留巷技术体系

    With theory analysis, experiment research and spot test, this paper takes the lead in establishing technology system of gob-side entry retaining with large section or small one.

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  • 通过倾角工作面沿空留巷破坏原因分析提出相应有效支护措施,收到了良好技术经济效果

    Through analyzing on the reason of large tilt Angle face roadway destruction, corresponding efficient support measures are provided, and good technology economic results are made.

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  • 该法施工工艺简单成本低廉,使沿空留巷达到较好的技术经济效果。

    The advantages of this method are inexpensive, simple for construction and able to get good benefits to retain roadway for next sub-level.

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  • 介绍了45 1工作面运输地质采矿条件沿空留巷支护技术应用情况

    The application of the geology mining condition and the gob-side entry support technology in haulage roadway No. 451 face are introduced.

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  • 该法施工工艺简单成本低廉,使沿空留巷达到较好的技术经济效果。

    The advantages of this method are inexpensive, simple for construction and able t...

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  • 该法施工工艺简单成本低廉,使沿空留巷达到较好的技术经济效果。

    The advantages of this method are inexpensive, simple for construction and able t...

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