Through the structural mechanics analysis of U-shaped steel support widely used in soft-rock supporting, the author has found out the failure causes from the support structure itself.
目前软岩支护问题突出，在一些软岩巷道中，用于支护的u型钢支架破坏比较严重，本文对支架进行了结构力学分析，并从支架自身结构方面对破坏原因进行了分析。
For while his black support is rock solid, his white support is soft.
因为虽然黑人对他的支持坚如磐石，但白人对他的支持却很软弱。
These supply theory reference for support design of soft rock roadway, and have important guidance meaning for roadway support technique practice of complex condition.
这些都为软岩巷道的支护工艺过程设计提供了理论参考，同时对于复杂条件下巷道支护的技术实践，具有重要的指导作用。
Support of soft rock was a difficult problem in support of sinking and driving in Huainan mining area.
软岩支护一直是困扰淮南矿区巷道支护的一大难题。
On the base of the rock mechanical properties, the mechanical deformation process of the passive maintained soft rock tunnels was analyzed, the mechanical principle for the active support is raised.
根据岩石的力学性质，分析了软岩巷道被动维护变形的力学过程，提出主动支撑的力学原理。
Hence, studying of the creep property of rock under disturbing force and developing an appropriate theory for it are of great importance for support of soft rock in deep mining.
因此，研究岩石的蠕变特性以及岩石在扰动载荷作用下的变形效应，建立蠕变扰动效应理论，对深井软岩支护具有重要的工程实用价值。
According to analysis of soft rock roadways in some mining area, offered some measures and Suggestions for increasing soft rock roadway support quality.
在分析几个矿区软岩巷道支护情况的基础上，提出了提高支护质量的可行措施与建议。
Because of the poor strength and the typical creep character of the soft rock, it is difficult to excavate and support the underground excavation.
软岩强度低，且具有明显的蠕变特性，常给地下巷道的开挖和支护带来很大的困难。
Underground tunnel support of soft expansion rock is a main difficulty in mine construction currently.
松软臌胀岩层的井下巷道支护是目前矿山建设中的一个主要难点。
Features of ground pressure and the applocable supporting pattern of soft rock are studied. Several new-type simple and easy bolts are also designed to support the soft rock.
剖析了软弱岩层的地区特点，探讨了该种岩层对支护的特殊要求，在此基础上介绍了几种简单易行的新型锚杆。
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.
软岩巷道的变形破坏由多种原因造成，受软岩自身强度较低、采动压力、地下水、支护方式、支护质量等综合性因素影响。
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。
The shed-pipe advanced support that passes through soft cracked rock mass in tunnel construction is an effective pre-supporting method.
超前管棚支护是隧道施工中穿越软弱破碎围岩的一种有效的预支护方法。
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 interaction between soft-weak Surrounding Rock and initial support of deep buried tunnels has become one of the most important subjects in underground engineering research.
深埋隧道软弱围岩与初期支护的相互作用是地下工程研究的重要课题之一。
The studies of rock disturbing rheological test and disturbing rheological theory may extend the content of the theory for rock rheology and support design of soft rocks.
开展岩石扰动流变试验与扰动流变理论的研究，可以拓展岩石流变理论和软岩支护设计理论的研究内容。
Through comparison of the results of assorted computation schemes, replacement of soft rock mass and optimum selection of anchoring support as well as feasible excavation sequences are illustrated.
通过多种方案计算和比较，论证了局部软岩置换、支护型式优化、支护参数优化的合理性。
It is pointed out that the support resistance has an important effect in the control for soft rock in deep mine and has a sensitive area of action.
提出了支护阻力对控制软岩巷道具有重要作用及敏感作用范围的观点。
The reliability analysis of roadway combination support in soft rock can be used in the design and check of roadway support. This method may be applied far and wide in mine and tunnel project.
软岩巷道联合支护可靠性分析，为软岩巷道支护设计、校核提供了理论依据和计算手段，该方法在矿山、隧道工程中也有广泛的应用价值。
Soft rock tunnels have the characteristics of high ground pressure and large deformation and are difficult to be supported. So they can not be easily controlled with single support method.
软岩巷道多具有高应力、变形大、难支护等工程特征，单一支护方式难以控制围岩变形。
Expounded support key problems of soft rock actual mining roadway and probed into the support pattern along with improvement support methods for mining roadway.
阐述了软岩层回采巷道支护的关键问题，对不同岩性的回采巷道支护方法及改进方向进行了初步探索。
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。
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。
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。
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