• Finally, the examples of projects pointed out lessons learnt from roadway drivage in soft rock.

    最后通过工程实例说明在软岩巷道施工中所吸取的教训

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  • The paper pointed the development tendency of the mechanized drivage technology in seam roadway.

    综掘仍是高产高效矿井回采巷道掘进主要技术方法。

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  • The sizes of cross-section are related to the drivage costs, maintenance costs and ventilation electric costs.

    井巷断面大小直接关系掘进维护费通风电费

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  • At present, in the building of new shaft, rock drivage takes 40%-50% of whole project, and the construction takes 35%-50%.

    目前建设中,岩巷掘进工程量一般约工程量40% ~ 50%,施工工期占35% ~ 50%。

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  • Optimizing roadway arrangement way unceasingly, reducing the tunnel drivage ratio is an important task in the mine mining design process.

    不断优化巷道布置方式降低巷道掘进矿井开采设计过程中的一项非常重要任务

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  • Combining with a tunnel construction case, an ordinary method of ascertaining Optimum hole depths in small exploration tunnel drivage is discussed.

    结合坑道施工实例论述了小型探矿坑道确定最优炮眼深度一般方法

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  • The results of experiment testify that the method not only realizes the normal ventilation and gas drainage in drivage roadway but also saves energy.

    实验表明方法好地实现掘进巷道正常通风瓦斯排放达到节能效果。

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  • Developing rock roadway of coal mine is a hard task at present. Mechanized drivage of rock roadway has become a common technical problem of every coal mine.

    目前煤矿岩巷开拓任务重,岩巷机械化掘进成为各矿普遍存在技术难题

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  • Major problems in roadway drivage are revealed based on an analysis of the current situation in this area, and technological solutions are recommended for the improvement.

    通过我国巷道掘进现状分析,指出当前存在的主要问题,进而提出了提高单进的技术途径

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  • On-the-spot investigation was made on the basic parameters of gas drainage in drivage roadway in Huainan Coal Mining Area, and reasonable arrangement range of rib bore-holes an...

    现场考察淮南矿区掘进巷道瓦斯排放基本参数,确定了帮钻孔的有效布置范围合理抽放时间。

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  • 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.

    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

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  • During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.

    综采放顶煤工作面顺槽掘进过程中,由于顺槽煤层顶板松动破碎并且顺槽采用矩形断面,顶板跨距较大,不利于巷道支护

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  • This article research how to make the most of development roadway's drivage width, by using simple turnout to solving empty and heavy mine car dispatching, and gain the easy, quick, economic end.

    探讨如何充分利用开拓巷道掘进宽度,并巧妙运用简易(移动)道岔解决调度达到灵活、快捷经济等良好效果。

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  • 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.

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

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  • 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.

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

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