• Systematic rock bolt support and shotcrete were carried out for the surrounding rock and reinforcement was done locally for rock stability.

    围岩采用系统喷锚支护局部作加强处理稳定性良好

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  • Forward support bolt combined with roop rock by bolting can play a roll of combined beam, which can prevent roof rock caving immediately after explosion.

    超前支护锚杆锚固顶板岩石构成一体,这样使超前锚杆形成组合梁作用放炮后,能够阻止顶板岩石冒落。

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  • The article analysed national situation of bolt shotcrete and wire in soft rock, based on theory of broken-rock circle, concluded the relation of broken-rock circle and soft support.

    本文分析了岩巷支护研究国内外现状围岩松动理论研究为基础得出围岩松动圈岩巷道支护的关系

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  • 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.

    结果表明,辅助注支护显著提高围岩的强度承载能力,有效地控制了深部极软岩巷道围岩变形。

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

    研究表明注支护利用锚杆与注浆相结合方法,极大地提高岩巷道的支护效果扩大了锚杆使用范围

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  • Based on the theory of rock mechanics that applied in country rock kerf, and using bolt support can remove the heave of bottom, which gets good effect in practice.

    施工中应用巷道围岩岩石力学理论分析,采用锚杆护法解决底板臌起现象,收到良好效果。

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

    片帮冲击矿压发生机理出发,分析了煤层煤巷采用锚杆支护减的机理。

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  • For rock roadway layout layer, the necessity and feasibility of using nude alley, a hell of arch, the U-steel shed, bolt net and spraying and other forms of support are expounded.

    针对岩巷布置层位,阐述了采用、砌碹、u型钢多种支护形式并存必要性可行性

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  • The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

    超快硬夹心水泥锚杆一种简单有效支护锚杆。

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  • 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...

    进一步研究认为锚杆与注浆联合支护目前中国(裂隙发育、可注性好)巷道支护前途途径

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  • In the support project of soft-rock tunnel, the pullout resistance of the Self-screwed Slip Casting Tube Bolt is the critical technical parameter that related to the security of anchorage system.

    隧道支护自旋注浆锚拔力至关重要技术参数关系锚固体系安全

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  • According to the characteristics of soft rock tunnel in Hongmiao coal mine, the rational support for the tunnel is suggested. The application of bolt and shotcrete support is described in detail.

    依据红庙煤矿岩巷特点,提出巷道合理支护形式,详细阐述了锚喷支护在施工中的应用。

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  • Based on the mechanism analysis of shotcrete-bolt support, the main cause of support failure was found to be the mismatch between its stiffness and ultimate distortion and the wall rock.

    通过支护机理进行分析,得出喷锚支护失效主要原因在于喷锚支护刚度极限变形量围岩匹配

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  • Based on the mechanism analysis of shotcrete-bolt support, the main cause of support failure was found to be the mismatch between its stiffness and ultimate distortion and the wall rock.

    通过支护机理进行分析,得出喷锚支护失效主要原因在于喷锚支护刚度极限变形量围岩匹配

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