In recent years the reinforced concrete precast element linings are adopted more and more for the soft surrounding rock tunnels. But a perfect assembling method for lining is not performed yet.
软弱围岩隧洞在设计上采用钢筋混凝土装配式预制构件衬砌的方式近年来越来越多，但在施工上还一直没有形成一套较完善的衬砌安装方法。
Based on the measured results of the displacement of deep soft rock roadway in MaLuPing mine, the deformation characteristic of the surrounding rock is analyzed.
文章根据马路坪矿深部软岩巷道表面位移的实测结果，分析了巷道围岩变形主要特征。
During the excavation of underground chamber in the soft rock, lining thickness are increased to keep the stability of surrounding rock.
在软弱岩体中进行地下洞室开挖时，通常采用加大衬砌厚度来维持围岩的稳定。
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