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- The four common surrounding rock mass classification methods,Q-system,RMR method,HC method,and BQ m. 采用Q系统、RMR分类、水电规范HC分类、国标BQ分类等4种常用围岩分类方法对该隧洞进行了围岩分类。
- The results show that the differences of stability of surrounding rock mass are markable for dlfferent excavating sequences. 结果表明,不同的开挖顺序,对围岩的稳定性具有显著的影响。
- 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 visco-elastic 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。
- ZHOU Xiao-pin,SUN Yun-lun,ZHANG Yong-xing,et al.Numerical analysis of the surrounding rock mass stability in dachnag tongking tin mine[J].Underground Space,2000,20(4):290-293. [7]周小平;孙运轮;张永兴;等.;大厂铜坑矿细脉带采场围岩稳定性数值分析[J]
- Analysis of relationship between joint condition and stability of surrounding rock of openings and mining areas is completed. Using CSIR geomechanical classification method,assessment on rock mass quality in the mine is provided. 根据矿区工程地质、水文地质和节理裂隙发育调查统计资料 ,矿区地应力测量和矿岩岩石力学性质试验结果等 ,采用CSIR地质力学分类方法 ,对矿区分布的主要岩组进行的岩体质量分级评价。
- The influence of blasting vibration on existed adjacent underground chambers or surrounding rock mass of the tunnel under excavating is inevitable if the method of blasting is employed for excavation. 由于地下洞室主要采用钻爆法施工,不可避免地存在爆破开挖对邻近已开挖洞室和开挖洞室本身的影响问题。
- Based on Block Theory, this paper ,though geological prospecting and tests, predicts 4 huge key blocks in the surrounding rock mass of underground powerhouse, the Three Gorges Project. 本文以块体理论为基础,预测三峡工程地下厂房围岩存在4个特大型关键块体。
- Classification of surrounding rock masses 围岩分类
- As the shallow depth and poor geological conditions, the surrounding rocks are always soft, fragmentized or intensively disintegrated rock mass with partial pressure. 在浅埋条件下,地层的条件也相对较差,一般为软岩、破碎岩体或高风化岩体且带有一定的偏压。
- horizontal layered surrounding rock masses 水平层状岩体
- surrounding rock masses stability classification 围岩稳定分类
- characteristics of surrounding rock mass 围岩特性
- pressure of surrounding rock mass 围岩压力
- classification of surrounding rock mass 围岩分类
- water infiltration of surrounding rock mass 围岩渗水
- stability of surrounding rock mass 围岩稳定
- bearing capacity of surrounding rock mass 围岩抗载强度
- The influences of blasting vibration on the stability of surrounding rocks mass and concrete lining of existed adjacent chambers, or excavating tunnel and the grouted rockbolts are studied and analyzed in the thesis. 本文主要研究爆破振动对邻近地下洞室和本洞围岩稳定性、混凝土衬砌及砂浆锚杆的影响。
- force-bearing of surrounding rock mass 围岩受力
- surrounding rock mass classification 围岩分类