隧道双层小导管支架出洞技术研究  

Research on the Shield Moving-out Technology of Double Small Tube Supporting System in Tunnel

作　　者：徐庆辉[1] 

机构地区：[1]中铁十九局集团第七工程有限公司,广东珠海519020

出　　处：《湖南城市学院学报（自然科学版）》2015年第4期22-23,共2页Journal of Hunan City University:Natural Science

摘　　要：文章依靠工程实例,对双层超前小导管与型钢钢架组合而成的预支护系统出洞方法进行了研究并取得了成功,与大管棚技术进行了对比分析,在经济性、实用性方面具有明显优势。探索了一种替代大管棚的出洞技术,对隧道洞口工程施工具有一定指导意义。Relying on the engineering example in this paper, preliminary support system of the combination of double advanced small pipe and steel steel on the shield moving-out technology is researched and achieved success, comparison and analysis has been done with the great tent technology, it has obvious advantages in the aspect of economy and practicality。To explore a kind of alternative fill of shed out of the hole technology,that has certain guiding significance for the tunnel portal construction.

关 键 词：隧道 双层小导管 预支护 出洞 

分 类 号：G512.74[文化科学—教育学]