• 快速掘进有综掘掘两种方法。

    Coal lane driving includes complex driving and blasting driving.

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  • 文中相应阐述了锚杆支护形式选择原则

    The paper also describes the principle of rocks bolting in coal roadways.

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  • 论文建立了用于自燃研究几何场效模型

    This paper has set up a geometric model for the purpose of studying of spontaneous combustion of coal pillar.

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  • 介绍掘进工作面局部通风管理方法及管理经验。

    The paper intrtroduced some partial ventilation management methods at driving face in coal tunnel.

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  • 文章对“孤岛锚杆支护技术应用做了简要介绍

    This paper briefly introduces the application of pin timbering of full coal road in "islet faces".

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  • 掘进工作面应力“三带”分布延时突出起着关键作用

    The "three area" distribution of stress in coal driving is a key factor for delaying the outburst.

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  • 为此提出了我国当前煤巷锚杆支护研究重点改进途径

    Therefore, research trends and improvement approach are put forward at the end of this paper.

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  • 突出掘进直接关系安全生产采掘接替。

    Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over.

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  • 分析锚杆支护施工出现问题提出了相应解决措施

    This paper analyzes the problems appearing in the bolt support construction of coal roadway, and advances some solving measures.

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  • 掘进一直影响制约突出矿井采掘正常接替瓶颈问题

    The coal roadway driving is a "bottleneck" problem of influencing and restricting the normal replacement of mining and driving in the outburst mines.

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  • 超前钻孔瓦斯突出矿井中煤巷掘进工作面的局部措施之一

    Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine.

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  • 本文研究卸载掌子面注水煤巷掘进头岩石应力状态影响

    The effect of stress-releasing hole and water injection to the face on rock stress state around gateway driving face has been studied in this paper.

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  • 新汶矿区深部支护形式支护参数选择具有一定的指导意义

    It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.

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  • 新汶矿区深部支护形式支护参数选择具有一定的指导意义

    It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinw...

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  • 文章通过永华矿“三矿压规律进行分析,提出支护方案

    This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof, soft coal and soft floor.

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  • 片帮冲击矿压发生机理出发,分析了采用锚杆支护的机理。

    Based on the occurring mechanism of slough rock burst, the mechanism to weaken shock with bolt support in coal roadway is analyzed.

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  • 现场经验模型实验表明煤巷锚杆支护有时出现锚固体弯曲突变失稳现象

    Field experience and similar material simulation indicate that there is the bending catastrophe phenomenon of anchor roof beam in bolting roadway sometimes.

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  • 顶板多数岩体强度沉积岩,层状岩体结构是沉积岩的主要特征之一。

    Most rock roof of roadway is sediment rock, so its intensity is low, the stratification is a common rock mass structure in coal mines.

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  • 马念杰,高谦。锚杆支护可靠性设计科学基金项目鉴定材料,1997。

    Ma Nianjie, Gao Qian. Reliability design of bolt supporting in coal drift. Project Identification Material of coal Science Fnd, 1997.

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  • 连续流量突出预测系统一种嵌入式计算机核心新型动态突出预测方法

    The forecast system of outburst of coal laneway with method of continuous flow is a new and dynamic method of outburst forecast which taking embedded computer as core.

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  • 这些结论对于检测瓦斯抽放以及合理确定维护周期具有重要的参考价值。

    These conclusions aid to measure drainage rate of gas and fixing on maintenance period of coal laneway.

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  • 阳泉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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  • 锚杆支护支护方面,型钢支护程度不同地节约了支护费用经济效益明显提高

    In roadway support, bolt support saves cost of support over profile steel, economic performance is distinctly improved.

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  • 鹤岗矿业集团兴安应用锚索锚杆支护,取得了较好的技术经济效果。

    The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.

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  • 阐述临时支护现用方法存在不足隐患,提出了采用支护方法的优点安全性

    Expounds the existing problem of coal tunnel temporary support, put forwards the advantage and safety of new method.

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  • 井下瑞利方法探测下部超前探测、岩前方的构造,取得了满意效果

    In underground coal mines, Rayleigh wave method was used to detect lower coal seam and structures ahead roadways and produced satisfactory results.

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  • 朱小姐,梅耶小学的同事,就像梅耶的其他同伴一样没有会知道什么的动力。

    Miss Zhu, Meyer's co-teacher at Coal Lane Elementary, is his almost constant companion, but who knows what makes her tick?

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  • 介绍了锚杆支护实践,并通过观测数据分析得出了有借鉴意义结论

    The practice of bolt support in reserved coal drift in mining pressure area is introduced, helpful conclusion is obtained through observation and analyse.

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  • 生产研制开发新的支护技术材料满足支护技术要求降低支护成本

    New supporting technology and materials developed for coalmine mining not only satisfies the technical demands for roadway mesh support, but also decreases the supporting cost.

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  • 生产研制开发新的支护技术材料满足支护技术要求降低支护成本

    New supporting technology and materials developed for coalmine mining not only satisfies the technical demands for roadway mesh support, but also decreases the supporting cost.

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