• 、小矿柱的房柱

    Room-and pillar mining method with small room and pillar.

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  • 尾砂分层充填回采矿柱取得了好的经济效果

    Excellent results were obtained in mining of pillars using tailings in horizontal cut-and-fill.

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  • 队机枪兵应该保护游戏玩家矿柱免受蜂群的袭击

    The 2 Riflemen should protect your Tiberium Spike from Buzzer attacks.

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  • 他们多种用途比如侦察反步兵建筑或是快攻矿柱

    There are many ways of using them such as Scouting, Anti-Infantry clearing structures or rushing Tiberium Spikes.

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  • 本文论述胶结充填人工矿柱(壁)一定条件下承载作用。

    In this article, the supporting behavior of cemented backfill rib pillars under certain circumstances are discussed.

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  • 介绍了低品位硫化实验研究方法装置结果

    The method, experimental equipment and results of column leaching were presented for low-grade copper sulfide ore.

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  • 顶板冒落、巷道矿柱破坏采矿过程中的重要岩石力学问题

    Roof falling, floor heave of roadway and pillar failure are important problems of rock mechanics in mining process.

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  • 本文总结湘西金矿矿山充分回收矿柱资源实践经验

    Practical experience of residual pillar resources recovery during old workings close period in Xiangxi Gold Mine was summed up in this paper.

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  • 壁式矿柱采矿首先煤矿推行,金属矿实现壁式无矿柱采矿。

    The method of wall mining without pillars was first used in coal mine. In the metal mine it has not been used yet.

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  • 本文提出了种矿矿柱阶段性连续回采,深孔放顶处理空区的采矿方法。

    This paper introduced a new method for it, ie continuous stoping of room and pillar in stages and to fill mined bed with falling roof by deep-hole blasting.

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  • 必要的一队机枪兵派地堡,一队去个地堡,破坏者矿柱

    Necessary: one Riflemen to your bunker, one to the other bunker, Saboteur to you Tiberium Spike.

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  • 次钻孔分段爆破工艺成功地应用天井掘进矿柱的回采方面。

    A new technique of the long-hole blasting has been used in raising and prospecting of the rooms and the pillars.

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  • 采空区上部预留矿柱的回采工作影响整个矿山安全生产采矿方法及其实施

    Mining the ore in pillars above the mine-out area comes down to the security of production, mining methods and putting in practice.

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  • 未充填情况下回采矿柱矿柱采空区顶板稳定性一个关键问题

    The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined-out area.

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  • 采用孔径变形应力解除测量大型磷矿采空区矿柱结构应力分布规律

    The stress relief method of hole diameter deformation was used to measure the stress distribution of the pillar structure in the mined area in a big phosphate mine.

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  • 对于阶段空场法,采矿系统设计主要包括采场结构参数、矿柱大小、回采顺序等。

    To block stoping, mining system design mainly includes design of block parameter, design of pillar's dimension, design of ore drawing sequence.

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  • 房后的上向分层胶结充填我国应用较为广泛,矿柱后期回采条件较差

    The practice cf mining room first and then pillars by overhand cut and cemented fill is widely used in China, but the condition for pillars recovery in later period is normally worse.

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  • 根据数值计算结果结合矿山现场实际情况,确定矿柱回采试验最终方案

    According to the numerical results and the states of the mining filed, the final mining method of ore-pillar recovery is determined.

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  • 深部水平矿柱开采稳定性问题地下金属矿山迫切需要解决的共性技术难题之一

    The stability of horizontal pillars in deep mining is one of the common technical challenges that should be solved urgently for underground metal mines.

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  • 通过对埋设于570中段光弹性应力计的观测,分析中段矿柱破坏情况及原因

    The cause of mine pillar destruction in in Dachang Tongkeng Tin Mine was analyzed from observation by photoelastic stressmeter embedded in mine stope 570.

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  • 本文石膏矿冒顶事故为资料背景,分析矿柱顶板系统破坏机理

    With the two great roof-fall accident of Pingyi gypsum mine, this paper analyzes the stability of pillars and roof system and the mechanism of destruction of pillars and roof.

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  • 本文根据木架山具体条件,提出了应用矿柱崩落联合进行木架山空场处理

    The method disposing abandoned stope is summarized, and it is proposed that the abandoned stope be disposed by roof cutting and pillar dilapidation.

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  • 介绍几种常见矩形矿柱及其优点矩形矿柱的支撑效果进行岩石力学分析评价

    This subject introduce some common rectangle ore pillars and its advantages, and rock mechanics analysis and evaluation of rectangle ore pillars support effects.

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  • 采场顶柱作为永久矿柱损失,采场底柱、间柱等采场大量放完毕,一次性进行回收

    The crown pillar of stope is permanent loss and not recoverable, while sill pillar and barrier pillar shall be recovered after the ore drawing work is completed.

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  • 针对岩体变形破坏具有突变性结合材料力学理论建立岩梁-矿柱突变模型

    In view of the mutability in deformation and failure of the rock mass, and combined with the theory of the material mechanics, a cusp catastrophe model of rock beam-pillar was build.

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  • 本文岩石力学研究基础上,对保安矿柱作用进行了评价提出安全开采一些建议

    In this paper based on principles of rock mechanics the roles of safety pillars in mining is evaluated. Some recommendations for their safe mining are provided.

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  • 准确掌握矿柱实际边界矿柱回采爆破设计基础也是提高矿山经济效益有效途径之一

    The accurate awareness of actual pillar boundary is the basis for the blast design for pillar extraction and is also one of the effective ways to improve the mine economic benefit.

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  • 通过改变扰动应力波峰大小,来考察动力扰动强度的变化承受高应力矿柱稳定性影响

    And then the effect of disturbance intensity on the stability of highly-stressed pillars is reflected by changing the different peak value of the dynamic stress wave.

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  • 第十四矿山设计规定保留矿柱、岩柱,规定期限应当予以保护,不得开采或者毁坏

    Article 14 Mine pillars and rock pillars to be preserved as specified in the mining designs shall, within the prescribed period of time, be protected and may not be exploited or damaged.

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  • 第十四矿山设计规定保留矿柱、岩柱,规定期限应当予以保护,不得开采或者毁坏

    Article 14 Mine pillars and rock pillars to be preserved as specified in the mining designs shall, within the prescribed period of time, be protected and may not be exploited or damaged.

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