象山大跨四联拱隧道施工监测及分析  

Analysis and Monitor on the construction of the Four Arched Tunnel with Big Span

作　　者：王文通 

机构地区：[1]铁道部隧道局设计院,河南洛阳471009

出　　处：《西部探矿工程》2000年第1期57-60,共4页West-China Exploration Engineering

摘　　要：采用钻爆法结合新奥法修建的福州市二环路象山隧道，是目前国内最大跨度的城市道路隧道，总跨度３５．４ ｍ ，覆土深度２～２３ｍ ，结构形式为四联拱，通过对整个施工过程量测数据的分析，提出有关大跨度浅埋隧道设计与施工的建议。The Xiangshan tunnel tocated in the second ring road of Fuzhou city was built by the combinated methed of drilling blasting and the New Australia tunneling method (NATM) It is the biggest spaned urban tunnel in our country so far,of which,the total span reached 35.4 m and the covering thickness is 2~23 m.The structure of the tunnel is four arched,some suggestions about design and construction of the shallow burried tunnel with big span are put forward based on the analysis on the measured data during the construction.

关 键 词：钻爆法 围岩稳定性 大跨四联拱 隧道 施工监测 

分 类 号：U456.3[建筑科学—桥梁与隧道工程]