软弱围岩富水地段连拱隧道关键施工技术  

Key Construction Techniques of Multi-Arch Tunnel with Soft Wallrock in Water-Enriched Section

作　　者：袁丰田 

机构地区：[1]中铁十五局集团第六工程有限公司,河南洛阳471013

出　　处：《安徽建筑》2006年第3期34-37,共4页Anhui Architecture

摘　　要：文章结合杭金衢高速公路二期C合同段大洋滩隧道施工过程,对开挖方案、中隔墙加固、洞口防偏压施工、防排水系统等进行论证分析,详细阐述了几个关键措施的施工,并对双连拱隧道的监控量测提出了建议。In combination with Dayan Beach tunnel construction process （Stage Ⅱ）of Quzhou-Yaoshang Highway （included in Contract C）, the paper expounds and analyses on the excavation scheme, strengthening of the midboard, anti-bias construction of the opening and waterproofing and dewatering systems, states in details the construction of several key measures and makes suggestions to the monitoring and surveying of the twin-arch tunnel.

关 键 词：软弱围岩 连拱隧道 施工技术 

分 类 号：U455[建筑科学—桥梁与隧道工程]