...sed Concrete-lined Tunnels with Grouting 灌浆式预应力混凝土衬砌隧洞 reinforced concrete lined tunnel 钢筋混凝土衬砌隧洞 precast concrete lined tunnel 预制混凝土衬砌隧道 ..
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某隧洞工程采用TBM施工，六边形预制钢筋混凝土管片衬砌。
One tunnel is being constructed by TBM. Its lining adopts precast concrete hexagonal segment.
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。
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.
对隧洞围岩条件良好洞段，论证取消隧洞原圆形钢筋混凝土衬砌，选定马蹄形锚喷断面作为最终优化断面形式。
For tunnel sections with good surrounding rocks, the U-shaped rock-bolted section is selected as a final optimized section instead of the original circular reinforcement concrete lining section.
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