软弱围岩
In the course of redistributing, if the intensity of rocks is insuff, the surrounding rocks will lose balance and the tunnel will be destroyed, so it is necessary to take support measures to the soft and weak surrounding rock.
因此,有必要对软弱围岩采取支护措施。
The study results have important engineering significance for the construction of tunnel with weak surrounding rock.
研究成果对软弱围岩隧道修建具有一定指导意义。
Study on construction technique of TBM in weak surrounding rock
TBM在软弱围岩中施工技术研究
The Test Study of the Surrounding Rock Pressure Acting on the Composite Lining in Weak Rock of Nanling Double Track Railway Tunnel
南岭双线铁路隧道软岩复合式衬砌围岩压力的试验研究
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