The evaluation of stability of surrounding rock is a complicated uncertainty system problem.
围岩稳定性评价是一个复杂不确定系统问题。
As underground structure, cavern excavation will influence the stability of surrounding rock.
作为地下结构,调压井洞室开挖会对围岩稳定造成影响。
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 results show that the cross-section shapes of roadways strongly influence the stability of surrounding rocks.
结果表明:断面形状对巷道围岩的稳定性有较大影响。
In situ stress is one of the basic parameters for the stability of surrounding rock and design of support structures.
初始地应力是地下工程围岩稳定与支护结构设计的一个基本参数。
In situ stress is one of the basic parameters for the stability of surrounding rock and the design of support structure.
初始地应力是地下工程围岩稳定与支护结构设计的一个基本参数。
With the decline of the stability of surrounding rock, the ground subsidence and the vault settlement increase gradually.
随着围岩稳定性由好变坏,地表沉降和拱顶下沉值也呈逐渐增大的趋势;
According to the inversion results, the warning line method is employed to evaluate the global stability of surrounding rock.
根据反演结果,运用警戒线法对洞室整体围岩进行评价。
With mining tunnel as the studied object, the stability of surrounding rock and its supporting design are studied in the paper.
本文以矿山回采巷道为主要研究对象,对巷道围岩的稳定性及其支护设计进行了研究。
The stability of surrounding rock and the design of reinforcement of underground cavern are the key technique of underground projects.
地下洞室围岩稳定与支护设计是地下工程的关键技术。
During the excavation of underground chamber in the soft rock, lining thickness are increased to keep the stability of surrounding rock.
在软弱岩体中进行地下洞室开挖时,通常采用加大衬砌厚度来维持围岩的稳定。
For rock mass under mining, the support of surrounding rock mass in initial stage is critical to the stability of surrounding rock mass.
对于采动岩体而言,初始阶段的支护是保持中厚软岩板稳定的关键。
It is important to analyze the stability of surrounding loess of tunnel for understanding its failure mechanism and for its design and construction.
模拟分析黄土隧洞围岩稳定性对了解黄土隧洞变形破坏机理,对黄土隧洞设计施工理论具有重要意义。
Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied.
通过数值计算,研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。
The large-scale model testing is one of the important methods to research style of structural internal force and stability of surrounding rock in double-arch tunnel.
利用地质力学模型试验方法,对上述两个问题进行了探讨,给出了确定开挖松弛区范围的方法,以及顺层岩质边坡的边坡走向与岩层走向夹角的上限值。
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。
Underground gas storage stability of surrounding rock is directly related to the normal use of the gas storage project, which is a question worthy of study and exploration.
地下储气库围岩的稳定性问题直接关系到储气库工程的正常使用,是一个值得研究和探讨的问题。
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。
The results provide experimental basis for stability of surrounding rock when heat exits in the place of firing and variation regularity of strain field and displacement field.
这为研究煤炭地下气化时热作用下燃空区的围岩稳定及应力场和位移场的变化规律提供试验依据。
Based on the Mohr-Coulomb theory, safety factor s was deduced and used to ensure the reasonable parallel tunnel distance and judge the stability of surrounding rock effectively.
根据莫尔—库仑强度理论推导了关于确定并行隧道合理间距的安全系数s。
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。
The action of the support in preserving stability of surrounding rock masses is analyzed and its effect is proved being remarkable with using Kelvin-Voigt model and viscoelastic theory.
最后应用粘弹性理论,分析了锚注支护对具有流变特性围岩在维护其稳定性方面的作用。计算结果表明,锚注支护对维护破碎围岩的稳定具有显著效果。
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。
The deformation and failure under coupled action is more serious than the other situations, and softening action is more disadvantaged to the stability of surrounding rocks than swelling.
耦合作用下,围岩的变形和破碎比单因素作用下更加严重;其中线性软化对巷道稳定性的影响比破裂膨胀更大。
A comprehensive assessment of the stability of surrounding soil and supporting parameter was made according to the result of analysis, providing a scientific basis for tunnel construction.
根据模拟分析结果对隧道周边土体的稳定性和支护参数做出综合评判,为隧道施工提供科学依据。
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 impulsive dynamical pressure from frequent blasting has a strong influence on designed tunnel contour, construction error and stability of surrounding rock in the course of excavating tunnel.
在隧道爆破开挖中,频繁反复的爆破冲击动压力对隧道设计轮廓线、施工误差和围岩的稳定性等有很大影响。
Meanwhile, surge shaft is an underground structure because its body is buried by surrounding rock, and the excavation of cavern with big inner diameter will influence stability of surrounding rock.
同时调压井埋于地下,属地下结构,大内径洞室的开挖关系到围岩的稳定。
Meanwhile, surge shaft is an underground structure because its body is buried by surrounding rock, and the excavation of cavern with big inner diameter will influence stability of surrounding rock.
同时调压井埋于地下,属地下结构,大内径洞室的开挖关系到围岩的稳定。
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