• 支护间隔3 ~5处加设杆进行支护

    An injected anchor is added with a 3-5 array pitch to the anchor and anchor wire supporting for injected supporting.

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  • 针对羊渠河影响岩巷道严重破坏情况提出合理锚注支护方案

    According to the status of serious destroy of the soft rock roadway influenced by the dynamic pressure in Yangquhe Mine, a reasonable bolt-grouting supporting scheme was put forward.

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  • 基于岩巷变形破坏规律高强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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  • 结果表明,辅助注支护显著提高围岩的强度承载能力有效地控制深部极软岩巷道围岩变形

    Results indicate that the bolt-grouting support helps to increase the strength and bearing capacity of the surrounding rock and to control its deformation effectively.

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  • 研究表明注支护利用杆与相结合方法,极大地提高岩巷道的支护效果扩大了使用范围

    Research results indicate that bolt grouting support improves the effect of support for soft rock roadways and enlarges the range of bolts application.

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  • 最后应用弹性理论分析了支护具有流变特性围岩维护稳定性方面作用。计算结果表明锚注支护对维护破碎围岩的稳定具有显著效果

    The action of the support in preserving stability of surrounding rock masses is analyzed and its effect is proved being remarkable with using Kelvin-Voigt model and viscoelastic theory.

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  • 为了满足掘进巷道技术要求,解决巷道变形,通过对巷道支护围岩相互作用目前各类巷道支护形式及支护效果分析研究,决定采用锚注支护方案

    In order to meet technical needs and minimize the deformation of tunnel, bolt-grouting supporting program was adopted on analysis of interaction between supporting and wall rock.

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  • 开创支护尤其是巷道底板加固技术

    First use and adopt the new technology of soft rock supporting, especially roadway floor bolting casting reinforcement.

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  • 然后采用预应力顶板进行加强支护巷道底角采用杆进行锚注加固。

    In the second step, the prestressed cable is used as reinforced support to the roof plate, and the reinforcement by bolting and grouting with inside grouting bolt is applied to base Angle.

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  • 钢筋骨架衬砌初期支护采用水泥湿式

    The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement.

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  • 进一步研究认为联合支护目前中国软(裂隙发育、可性好)巷道支护前途途径

    According to the study, bolt grouting support is believed to be a promising way to support weak rock roadway. The new concept, bolt combined with grouting to reinforce...

    youdao

  • 进一步研究认为联合支护目前中国软(裂隙发育、可性好)巷道支护前途途径

    According to the study, bolt grouting support is believed to be a promising way to support weak rock roadway. The new concept, bolt combined with grouting to reinforce...

    youdao

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