This paper describes the result of anchor and shotcrete support of a diversion tunnel of Geheyan Project.
本文叙述了清江隔河岩工程导流隧洞的锚喷支护试验研究成果。
The paper establishes neural network model of bolt shotcrete support design in tunnel based on the theory of BP network.
根据BP网络的基本原理,建立了隧道锚喷支护设计的神经网络模型。
Many site tests have also proved that the strength of anchor and shotcrete support is much greater than that of conventional in situ concrete lining.
通过多次现场试验也证明:喷锚支护比现浇混凝土的支护能力在相同条件下要大得多。
The result shows that it is possible to quantificational design for bolt shotcrete support in tunnels with the method, the error satisfies the needs of the...
计算结果表明,该设计方法使得锚喷支护的定量化设计成为可能,产生的误差在实际工程中是可以接受的。
The result shows that it is possible to quantificational design for bolt shotcrete support in tunnels with the method, the error satisfies the needs of the engineering.
计算结果表明,该设计方法使得锚喷支护的定量化设计成为可能,产生的误差在实际工程中是可以接受的。
This work improves the so-called displacement- based method and addresses the very real need of assessing the safety of lattice girder shotcrete support during tunnel construction.
实例分析表明,所提方法的评价结果能够正确反映隧道的实际安全状态,得到的可靠指标也与我国规范所要求的范围相一致。
Based on the previous research, lattice girder reinforced shotcrete support is dealt with, and a method is set up to evaluate the safety of this kind of support for a tunnel in construction.
在过去研究成果基础上,建立施工期隧道格栅钢架喷混凝土支护的安全性评价方法。
Through the contrast and summary on the bolting shotcrete support schemes that are initially designed, the optimal supporting proposal is obtained through the adjusting supporting parameters.
通过初始设计的锚喷支护方案的对比和总结,提出可以改进的支护参数设计方案,经过调整支护参数得到优化的支护方案。
The introduction of anchor and shotcrete support has solved practically the problem of handling underground engineering support problems by considering rock and support as a structural entity.
最后提出喷锚支护的出现,从实践上解决将围岩与支护作为统一结构体的概念去处理地下工程的支护问题。
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。
This article introduces the application of how to construct the coal depot, and combined support with anchor mesh shotcrete, steel strape, anchor rope, steel and concrete.
介绍了在破碎岩体中施工立眼煤仓,采用锚网喷、钢带、锚索、钢筋混凝土联合支护的应用,立眼煤仓施工中使用帮锚索,在益新煤矿还是首例。
A improved method is proposed for solving problems such as uncoordinated deformation, ete, encountered in analysis of roadways with combined support of shotcrete and bolting wire.
针对锚喷网联合支护巷道的分析中存在变形不协调等问题,提出了经改进的分析方法。
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。
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.
钢筋骨架网衬砌模注砼及初期锚喷砼支护,采用水泥裹砂半湿式喷砼法;
Shotcrete rockbolt mesh support can improve the structure strength and anti-deform rigid of rock soil, and can reinforce the whole stability of side slope.
喷锚网支护可提高高边坡岩土的结构强度和抗变形刚度,增强边坡的整体稳定性。
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。
The technical measures of prestressed anchor cable, anchor shotcrete for support and water drainage etc. are designed for anti-scouring wall.
防淘墙结构采取了预应力锚索、锚喷支护和排水等措施。
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。
So steel fiber reinforced shotcrete should be the first choice for tunnel support on the condition of tunnel crossing high ground stress and having rock-burst tendency.
因而认为钢纤维混凝土应成为高地应力条件下的有岩爆倾向的隧道支护首选。
So steel fiber reinforced shotcrete should be the first choice for tunnel support on the condition of tunnel crossing high ground stress and having rock-burst tendency.
因而认为钢纤维混凝土应成为高地应力条件下的有岩爆倾向的隧道支护首选。
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