THE LAW OF SURROUNDING ROCK STRENGTH DECREASING AND ITS DYNAMIC SUPPORTING TECHNOLOGY
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摘要: 本文结合巷道围岩强度弱化规律,首次提出软岩巷道的动态支护原理和分步加固技术,同时给出了一个喷锚注动态加固的成功实践,为软岩支护提供了新的方法。Abstract: Based on the law of surrounding rock strength decreasing, a new method for soft rock supporting is presented. In the method a rule of dynamic supporting and its step-by-step reinforcement technology are put forward. A successful engineering case is provided.
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Keywords:
- dynamic supporting /
- step-by-step reinforcement /
- grouting /
- bolt
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