• 特别是布置地应力区的巷道变形破坏更加严重

    Specially, it is much more serious when the roadway is in an area of high natural stress.

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  • 随着开采深度增加,巷道变形破坏越来越严重,已经严重影响矿山生产。

    As mining goes deeper, the tunnel deformation and failure become more and more serious.

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  • 基于变形破坏规律高强锚杆辅助锚注支护加固机理进行了研究分析。

    Mechanism of high-strength bolt and bolting-grouting support was studied based on the deformation and failure rules of soft roadway.

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  • 通过巷道变形破坏机理分析提出通过控制巷道实际高度从而控制侧压的观点

    By the analysis of the mechanism of deformation and failure of the adit, this paper presents a view which based on the control of the real high of adit, side-pressure is controlled.

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  • 归纳了煤矿变形破坏均一性的表现形式,从地质工程角度分析探讨产生的原因。

    The modes of non-homogeneity of the deformation and failure ofthe tunnel within weak rock mass are summed up. The cause of the non-homogeneity is analyzed with geo-engineering view.

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  • 由于巷道掘进破坏了原应力场,使围岩应力重新分布,应力集中区高应力造成巷道变形破坏

    Because the natural stress field is changed due to tunneling roadway, a stress concentration area appears in rock of surrounding roadway that cause roadway deformation or destruction.

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  • 拱形巷道复杂应力条件下变形以及破坏形式多样化围岩性质地应力支护结构相关

    The distortion and destroy form of coved laneway in complicated stress condition are diversity, and it is relative with rock character, crustal stress and shoring structure.

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  • 深井常见变形破坏形式如何有效经济控制底鼓是深部开采急需解决的问题

    Floor heave is familiar distortion and damage form in deep soft rock roadway, how to control floor heave effectively and economically is an urgent problem.

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  • 通过现场调查观测实验室相似材料模型实验分析了大倾角煤层巷道围岩变形破坏特征

    With site investigation and observation as well as similar material model test, the paper analyzes the surrounding rock deformation and failure characteristics of roadways in high pitched seam.

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  • 根据现场调查实测结果分析了马路坪矿围岩变形破坏主要原因

    Based on the measured results and field survey, the cause of the failure and deformation of the surrounding rock around soft rock laneway in MaLuPing mine are discussed.

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  • 本文通过软弱煤层巷道进行位移实测及数据分析,得到了西部某矿软弱煤层巷道围岩变形破坏所需的时间可能变形松动区域

    The time to produce damage deformation in surrounding rock and possible loosening area are obtained by analyzing in situ measurement of displacement in soft weak coal layer.

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  • 巷道破坏主要原因由于支护-围岩接触关系不能适应巷道变形特性造成。

    The failure of brickwork roadway is mainly caused by the contacting relation of support and surrounding rock and inadequate deformation of support .

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  • 试验结果好地反映了理论分析结果表明该方法不失为研究巷道变形破坏一种有效方法。

    This experiment results have well reflected the consequences of theoretical analysis, which has indicated that this method is highly effective for the study on the deformation and failure of roadways.

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  • 利用超声波探测仪探测回采巷道松动范围掌握巷道变形破坏规律以此指导巷道锚杆支护设计

    Using the ultrasonic wave detector to probe the flexible range of the extraction tunnel, grasping the rule of deformed tunnel directs the supporting design of the tunnel bolt.

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  • 进路开挖以后支护巷道破坏严重围岩变形收敛变形,也是国内支护较矿山之一

    After the roadway was excavated, the destruction of supporting roadway is very severe. The deformation of roadway is no convergence deformation; and the iron mine is difficult support mine.

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  • 通过线巷道数值模拟分析了不受采动和动影响两种条件下巷道围岩变形破坏特征,通过比较,选择合理的停采线巷道布置方式。

    Through simulating the roadways of stopping line, it analyses the character of deformation failure of surrounding rocks under the conditions of non-mining and mining.

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  • 变形破坏多种原因造成,受软岩自身强度低、压力地下水支护方式、支护质量综合性因素影响。

    The deformed destruction of soft rock is led by many reasons, such as the low intensity itself, the exploiting press, underground water, support and the quality of support etc.

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  • 无支护底板作为变形破坏能量主要释放通道加剧巷道围岩整体下沉

    Unsupported floor as the main releasing channel for deformation and failure energy, has intensified the whole subsidence of roof surrounding rock.

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  • 巷道矿压观测数据表明方案有效的控制巷道变形破坏取得良好经济效益

    Finally, the strata control observation dat shows that gateway deformation was under control by this plan, and the better economic benefit was obtained.

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  • 深部岩体工程开挖洞室巷道时,围岩变形破坏出现了一系列新的科学现象

    While the deep rock mass are excavated by the blast or other methods, the deformation and fracture of the surrounding rock show several new scientific characteristic phenomena.

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  • 距离巷道围岩变形破坏规律岩柱荷载计算成为地下工程界十分关注的热点课题之一

    Deformation and failure law of the covered rock mass in the close laneways and the calculating of rock pillar load among laneways become one of the hot topics in the field of underground engineering.

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  • 随着煤矿开采深度加大越来越巷道围岩呈现变形特性,变形破坏非常严重

    With the development of deep mining in mines, more and more collapse problems of surrounding rocks named soft rock in roadway become increasing serious.

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  • 现场工业性试验表明,沿空掘巷道变形破坏严重现状得以改善

    Industrial field tests have shown that the status quo of large deformation and severe damage of the roadway in the gob-side entry driving has been improved.

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  • 研究结果类似巷道围岩变形破坏机制分析以及巷道加固支护提供参考

    The results can provide references for analysis of failure mechanism of surrounding rocks and reinforcement and support of tunnels of similar projects.

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  • 岩石较少有直接拉伸破坏巷道采场顶板弯曲变形重要变形模式

    The bending deformation was a kind of important deformation mode in the tunnels and roofs of coal mines because direct tensile failure of rock seldom happened.

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  • 摘要深部巷道围岩变形破坏严重传统支护难以实现巷道围岩有效控制

    Abstract: When the deep roadway has been deformed seriously, it is difficult for the traditional support to achieve effective control of roadway surrounding rock.

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  • 西石门铁矿回采巷道围岩变形破坏严重破坏形式复杂

    The wall rock of mining roadway in Xishimen Iron Ore Mine was seriously deformed and broken in complex forms.

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  • 西石门铁矿回采巷道围岩变形破坏严重破坏形式复杂

    The wall rock of mining roadway in Xishimen Iron Ore Mine was seriously deformed and broken in complex forms.

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