The classification of rocks surrounding a tunnel has an important significance for guiding design and construction in underground engineering.
围岩分类对指导地下工程的设计和施工具有非常重要的意义。
Study on numerical simulation of drainage hole of seepage field in underground engineering with implicit composite element method;
基于变分原理，研究渗流分析中模拟排水孔和不连续面的复合单元法。
In this article, authors introduce the method of hollow anchor design, construction and experiment in underground engineering anti-floating.
阐述了中空锚杆作为地下工程抗浮措施的设计、施工和试验的方法。
Therefore, the measurement and mapping of deformation to surrounding rock becomes an important link and to be reckoned in underground engineering.
因此，围岩变形量测成为地下工程中不可忽视的重要一环。
Foundation pit engineering is a rich and various field in underground engineering construction, which is also the most complicated technique filed in civil engineering.
基坑工程是地下工程施工中内容丰富且富有变化的领域，是土木工程中最为复杂的技术领域之一。
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 model can predict displacement which is caused by excavation in underground engineering and can predict stable displacement over a long period of time after formed excavation.
运用灰色理论建立预测地下工程开挖位移的模型，预测成洞后长期的开挖稳定位移，为工程开挖提供了较为有效的方法。
The application advantages and future prospect of fuel cell technology in underground engineering is described, by analyzing the special needs and present problems of the energy system in it.
分析了地下工程对能源系统的特殊需求和现存问题，指出燃料电池技术在地下工程中的应用优势和发展前景。
The application advantages and future prospect of fuel cell technology in underground engineering is described, by analyzing the special needs and present problems of the energy system in it.
分析了地下工程对能源系统的特殊需求和现存问题，指出燃料电池技术在地下工程中的应用优势和发展前景。
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