Systematic rock bolt support and shotcrete were carried out for the surrounding rock and reinforcement was done locally for rock stability.
对围岩采用系统喷锚支护,局部作加强处理,稳定性良好。
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.
超前支护锚杆锚固后与顶板岩石构成一体,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。
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.
本文分析了软岩巷道支护研究的国内外现状,以围岩松动圈理论研究为基础,得出围岩松动圈与软岩巷道支护的关系。
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,辅助锚注支护显著提高了围岩的强度和承载能力,有效地控制了深部极软岩巷道的围岩变形。
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,锚注支护利用锚杆与注浆相结合的方法,极大地提高了软岩巷道的支护效果,扩大了锚杆的使用范围。
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切缝法的岩石力学理论分析,采用锚杆支护法解决底板臌起现象,收到良好效果。
Based on the occurring mechanism of slough rock burst, the mechanism to weaken shock with bolt support in coal roadway is analyzed.
从片帮型冲击矿压发生的机理出发,分析了煤层煤巷采用锚杆支护减冲的机理。
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,阐述了采用裸巷、砌碹、u型钢棚、锚网喷等多种支护形式并存的必要性与可行性。
The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.
超快硬夹心水泥卷锚杆是一种简单有效的支护锚杆。
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是目前中国软岩(裂隙发育、可注性好)巷道支护很有前途的新途径。
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.
在软岩隧道支护中,自旋注浆锚管的抗拔力是至关重要的技术参数,关系到锚固体系的安全。
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.
依据红庙煤矿软岩巷道的特点,提出巷道合理的支护形式,详细阐述了锚喷支护在施工中的应用。
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.
通过对喷锚支护机理进行分析,得出喷锚支护失效的主要原因在于喷锚支护的刚度和极限变形量与围岩不匹配。
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.
通过对喷锚支护机理进行分析,得出喷锚支护失效的主要原因在于喷锚支护的刚度和极限变形量与围岩不匹配。
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