The initial stress is one of the most important parameters for the design of underground rock engineering, and hydro-fracturing method is a robust technique for stress measurement in deep rock mass.
初始地应力状态是岩石地下工程设计中的重要参数，而水压致裂法是深部岩体应力测量的理想方法。
The introduction of anchor and shotcrete support has solved practically the problem of handling underground engineering support problems by considering rock and support as a structural entity.
最后提出喷锚支护的出现，从实践上解决将围岩与支护作为统一结构体的概念去处理地下工程的支护问题。
It studies the bracing method and its mechanism of present weak rock underground project. The bracing countermeasure are made from deformation mechanism and engineering practice.
研究现行的软岩地下工程支护方法及其作用机理，根据软岩地下工程变形破坏力学机制初步确定支护对策。
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