双连拱隧道防排水技术分析与研究

Analysis and Study on Waterproofing and Drainage Technology of Double-arch Tunnel

双连拱隧道渗漏水是连拱隧道施工中最常见的问题,文章以张家湾双连拱隧道为例,对双连拱隧道渗漏水原因进行分析,并提出凸顶式中隔墙隧道防排水的改进结构和施工工艺,以及双连拱隧道防排水的要点和解决方法。

Leakage in double-arch tunnel is the most common problem in arch tunnel construction.The paper takes Zhangjiawan double-arch tunnel as an example,analyzing the reason for its leakage,bringing up an improved structure and construction techniques of convex type mid-partition tunnel waterproofing and drainage,as well as the focal points and solution to the drainage of double-arch tunnel.