The stress distribution rule of surrounding rock is obtained and surrounding rock stability is analyzed.
据此,得出围岩的应力分布规律,进行围岩稳定性分析。
Ground surface settlement is an important factor to evaluate surrounding rock stability of shallow tunnel.
地表沉降是判断浅埋隧道地层稳定的一个重要指标。
The large span large section of the roadway surrounding rock stability analysis supporting the proposed overall idea.
通过对大断面大跨度巷道围岩稳定性的分析,提出了支护的总体思路。
The results show that the surrounding rock stability is closely related with the packing body and the entry support method.
研究结果表明,留巷围岩的稳定性与充填体的支护阻力和巷内支护方法密切相关。
Therefore, a set of the regional prediction plan of the surrounding rock stability was provided based on the sedimentary analysis.
从而提出了一套基于沉积分析的围岩稳定性区域预测方案。
Based on the method of risk assessment, the fuzzy analysis is introduced to establish the classification of surrounding rock stability.
在风险评价方法的基础上,结合模糊理论,提出了围岩稳定性的风险评价分级方法。
The extension method is introduced in this paper, and the matter-element model for evaluating surrounding rock stability of underground engineering is established.
介绍了可拓方法的步骤,建立了地下工程围岩评价的物元模型。
In this paper, the elastoplastic incremental finite element method with variable plastic stiffness is used to analyse the surrounding rock stability of underground openings.
本文采用三维弹塑性增量变塑性刚度有限元法计算地下洞室围岩稳定。
Therefore, it is very necessary to analyze and study the surrounding rock stability in extraction or mining, locate the dangerous sites and work out preventative and control measures.
因此,针对矿山工程中因矿岩体的开挖或开采产生的围岩稳定性问题进行分析和研究,找出危险部位,制定防控措施是非常必要的。
An evaluating model of surrounding rock stability classification is presented in neural network. The data obtained from the practical project are used to train and evaluate neural network.
提出了以神经网络进行围岩稳定性分类的方法,根据收集到的围岩分类资料来训练和检验神经网络模型。
This paper analyses grouting reinforcements influence on slide plane and surrounding rock stability during the construction in Caijiapo tunnel, using the elastoplastic finite element method.
采用弹塑性有限元法分析了柴家坡隧道在施工过程中注浆加固对滑动面和围岩稳定性的影响。
This paper analyses grouting reinforcement's influence on slide plane and surrounding rock stability during the construction in Caijiapo tunnel, using the elastoplastic finite element method.
采用弹塑性有限元法分析了柴家坡隧道在施工过程中注浆加固对滑动面和围岩稳定性的影响。
In this paper, the research on the influence of excavation sequence on surrounding rock stability in the world is reviewed and the concept of construction mechanics of cavern groups is presented.
本文总结了近几年来国内外有关开挖顺序对围岩稳定影响的研究成果,提出了洞室群施工力学的概念。
By using model test of simulated materials and finite element calculation and theory deduce, the alternate exterior entry surrounding rock stability in dynamical pressure area is systemically studied.
通过理论推导、相似模拟、数值模拟及现场测试等方法相互结合、相互补充,对动压区外错式巷道的围岩稳定性进行了较为系统的分析研究。
And reach a conclusion in the tunnel and stability of the surrounding rock, rock deformation, stress distribution, economic and technical aspects of security.
并且分别从隧道围岩稳定性方面、围岩变形方面、应力分布方面、经济和技术方面以及安全方面得出结论。
The stability of the surrounding rock mass depends upon its strength and deformation properties as well as the situation of stress convergence in it, and the key is the integrality of the rock mass.
洞库围岩稳定性一方面取决于洞库周边围岩应力集中的情况,另一方面取决于岩体强度和变形特征,其核心问题在于岩体完整性。
The paper introduces a new style of loader which universally used for heading faces with heavy saddle back in roadway and weak stability of face surrounding rock.
介绍一种新型的装载机,该机能适用于巷道底板起伏变化大,工作面围岩稳定性较差的掘进工作面中使用。
The method can be used in general sequencing for influencing factors of the stability of surrounding rock masses and provide a basis for the stability forecasting of underground caverns.
这种分析方法可以从总体上对各因素进行排序,为将来预测地下洞室围岩稳定性提供必要的依据。
Consequently, it becomes increasingly important for the study of stability of surrounding rock and its forced condition of the structure during construction of highway tunnels.
因此,隧道施工过程中洞室围岩稳定性评价与支护结构受力状态的研究显得日益重要。
Based on the catastrophe progression theory, an integrative evaluation method for the stability classification of surrounding rock was presented.
提出基于突变级数理论的地下工程围岩稳定性分类的评价方法。
Study on the characters of rock mass condition and the stability of surrounding rock has great practical significance to optimize design parameter and to advance construction quality.
走马岭隧道岩体结构特征和围岩稳定性研究,为优化设计参数,提高施工质量提供理论指导,对保证施工安全以及优化设计具有重要工程实践意义。
This paper uses ADINA stress on the surrounding rock mine, the evaluation of the stability of rock to ensure mine safety.
本文利用ADI NA对矿井围岩应力进行计算,评价围岩的稳定性,保证矿井的安全。
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 classification of surrounding rock was mainly adopted for the stability of the cavern in order to analyze the stability of surrounding cavern and evaluate developed rule of rock explosion.
对洞室稳定性主要采取了多种方法的围岩分类,在此基础上分析了洞周块体稳定性并评价了岩爆发生发育规律。
The seismic action of blasting results in the part or whole collapsing of inter-space rock in all probability, which will influence the stability of surrounding rock.
由于爆破地震作用,很可能造成两隧道间岩柱的局部或整体垮塌,进而影响隧道围岩的稳定。
Tunnel surrounding rock deformation monitor is an important method for holding information of surrounding rock and controlling tunnel stability in the period of construction.
隧道施工过程中的围岩变形监测是掌握围岩的动态信息、确保施工期间隧道稳定性的重要手段。
The pressure-arch effect on the stability of jointed rock mass surrounding a shallow tunnel proves to be important.
分析结果还表明,“压力拱”效应在浅埋隧洞节理裂隙围岩稳定性中起着重要作用。
The artificial neural network provides us a new theoretical method on the stability classification of roadway surrounding rock.
人工神经网络理论的出现为人们研究巷道围岩稳定性分类提供了一种新的理论方法。
The influencing factors of the stability of surrounding rock masses are mutually associated and constrained.
影响地下洞室围岩稳定性因素是相互关联、相互制约的。
The blasting vibration effect is concerned with not only the stability of the surrounding rock and tunnel structural but also the safety of buildings around the tunnel.
爆破地震效应直接影响到隧道围岩和结构的稳定,也影响到邻近建筑物或构筑物的安全。
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