近年来,在我国有采用预应力锚索混凝土衬砌隧洞的趋势。
Recently, there is a tendency to use pre-stressed anchorage-cable concrete to line tunnel.
室内试验和工程应用研究表明,该方法为隧洞混凝土衬砌厚度检测提供了一个有效的测试手段。
Indoor experiment and application study shows it is an effective method for testing thickness of tunnel concrete lining.
介绍了组合式钢筋承重骨架支撑模板进行隧洞混凝土衬砌的施工方法及其特点。
This paper introduced construction measure and features of concrete brickwork lining construction for combining-style steel bearing reinforced bar framework support mould in tunnels.
对于水工隧洞衬砌混凝土,在施工期由于水泥水化热作用,温度应力影响显著,是产生混凝土结构裂缝的重要原因之一。
As for hydraulic tunnel lining concrete, thermal stress is one of important factors that cause concrete cracks, due to the heat of hydration of cement in the construction period.
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.
文中介绍了万家寨引黄隧洞工程不良地质洞段施工中的开挖,临时支护,混凝土衬砌等。
This paper introduces excavation of the unfavorable geological section of tunnel project of Wanjiazhai YRDP, temporary brace and construction of concrete lining.
水工隧道混凝土衬砌均存在不同程度的裂缝,本文介绍了尾水隧洞衬砌混凝土裂缝预防和不同类型裂缝的处理办法。
Cracks of different levels exists in hydraulic tunnel concrete liner. The prevention of liner concrete cracking at tailwater tunnels and measures on different levels cracking are discussed in detail.
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.
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.
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.
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