| 1. | Three - dimensional numerical simulation of surrounding rock stability of underground cavity with variable cross - section
变截面洞库围岩稳定性的三维数值模拟 |
| 2. | Stability of the surrounding rock in underground cavities for the daliushu water control project on yellow river
黄河大柳树水利枢纽工程地下洞群围岩稳定性 |
| 3. | Stability analysis of the weak intercalation and stratified rock mass near the top of an underground cavity and their parameters ' inversion
地下洞室顶部软弱夹层和层状岩体的稳定性分析及参数反演 |
| 4. | An underground cavity group has a large cross - section main cavity and many branch cavities with short intervals and various cross - sections
摘要某地下洞室群，主洞室断面很大，支洞较多，距离较近，且断面变化复杂。 |
| 5. | But in the field of underground cavity , because of the especial geologic environment and limited research area , the study seems to have no deep progress
但是对于地下洞室来说，由于其特殊的地质环境及受限的研究区域，这方面的研究就显得较为薄弱。 |
| 6. | The stiffness of the bolts are added to the integer stiffness matrix . 44 5 . the above theories are applied in the stability analysis of the 5 machine set of pubugou hydropower underground cavity group
将锚杆的劲度加入到系统的整体劲度矩阵中，直接而又比较客观的反映了锚杆对岩体的加固效果，并推导了相应的理论公式。 |
| 7. | By using this system , we would not need to do complicated things . it can show us the result quickly and exactly . so it is a good way for engineering people to study the the stability of block of underground cavity
本方法能够得出块体稳定性分析的确定性结果，开发出的软件可以代替烦杂的手工劳动，并且准确率很高，为地下洞室的块体稳定性分析提供了一种准确快捷的途径。 |
| 8. | And that , the variable regulations of stress field , strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized for the right and the left bank of underground chambers
全面总结了溪洛渡水电站左、右岸地下厂房洞室群围岩应力，变形和破坏区的分布特征和变化规律，为洞室群稳定性评价和工程施工设计提供了基础资料和理论依据。 |
| 9. | And the variation characteristics of stress field , strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized , which provides basic information and reference for the evaluation of underground cavities stability and project construction
总结了地下洞室群围岩应力、变形和破坏区的分布特征和变化规律，为洞室群稳定性评价和工程施工设计提供了基础资料和参考依据。 |
| 10. | Based on the simplified structure of rock mass , three - dimensional finite element numerical modeling technique is used to analyze systematically the distribution features of filed , strain field and plastic zone in the surrounding rock mass of the underground cavities after the excavation
在岩体结构模型概化的基础上，采有三维有限元数值分析方法，系统研究了大跨度、高边墙地下洞室群开挖完成后围岩的二次应力场、变形场和塑性破坏区的变化特征。 |
