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Yu Ning, Zhu Hehua. RESEARCH ON DESIGN AND COMPUTATION METHOD OF SHIELD TUNNEL LININGS IN COMPLEX STRATIGRAPHIC CONDITIONS[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(4): 57-60,72. doi: 10.13204/j.gyjz200404017
Citation: Jiang Zhaohua, Zhang Yongxing, Cai Yu, Shang Kejian. MONITORING AND ANALYSIS OF DEFORMATION OF DEEP ROCK EXCAVATION ADJACENT TO TUNNELS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(7): 95-99,90. doi: 10.13204/j.gyjz201207015

MONITORING AND ANALYSIS OF DEFORMATION OF DEEP ROCK EXCAVATION ADJACENT TO TUNNELS

doi: 10.13204/j.gyjz201207015
  • Received Date: 2011-11-30
  • Publish Date: 2012-07-20
  • According to the practical engineering of rock deep excavation with a depth about 30 m adjacent to thesubway tunnel in Chongqing, two kinds of supporting scheme were introduced. One was the retaining pile and anchorcable, and the other was the reserved rock wall and the retaining pile. Based on the numerical simulation, the mainmonitored results were analyzed. The result showed that deformation of rock excavation was small; the retaining pileand reserve rock wall could effectively control the displacement of the excavation in rock adjacent to tunnel. The maindeformation of supporting structures concentrated in soil strata in rocky area. The overall stability of the slope couldbe improved by reinforcing the top of slope. The position of the biggest settlement points influenced by the existenceof the adjacent tunnel was corresponding to the vault of tunnels, and the lateral deformation was dominant in thetunnel. The displacement field of the rock would changed owing to the inflnences of continuous media and the changeof tunnel geometric shape, the lateral deformation of the funnel was remarked.
  • [2] Vorster T E B,Klar A,Soga K,et al.Estimating the Effects of Tunneling on Existing Pipelines[J].Journal of Geotechnical and Geoenvironmental Engineering,2005,13(11):1399-1410.
    程斌,刘国彬.基坑工程施工对邻近建筑物及隧道的相互影响[J].工程力学,2000(3):486-491.
    [3] Sharma J S,Hefny A M.Effect of Iarge Excavation on Deformation of Adjacent MRT Tunnels[J].Tunneling and Underground Space Technology,1972(7):11-23.
    [4] Zheng Gang,Wei Shaowei.Numerical Analyses of Influence of Overlying Pit Excavation on Existing Tunnels.[J].Journal of Central South University of Technology,2008,15(S2):69-75.
    [5] 刘国彬,黄院雄,侯学渊.基坑工程下已运行地铁区间隧道上抬变形的控制研究与实践[J].岩石力学与工程学报,2001,20(3):202-207.
    [6] 刘燕,刘国彬,刘涛.大型综合地铁换乘车站施工对周围环境影响分析[J].建筑结构,2008,38(4):94-98.
    [7] 《基坑工程手册》编辑委员会.基坑工程手册[M].北京:中国建筑工业出版社,2009.
    [8] 张永兴.边坡工程学[M].北京:中国建筑工业出版社,2008.
    [9] 张永兴.岩石力学[M].北京:中国建筑工业出版社,2008.
    [10] Susan M,Powrie W.Three-Dimensional Finite Element Analyses of Embedded Retaining Walls Supported by Discontinuous Earth Berms[J].Canadain Geotechnical Journal,2000(10):1062-1077.
    [11] Powrie W,Daly M P.Centrifuge Model Tests on Embedded Retaining Walls Supported by Earth Berms[J].Geotechnique,2002,52(2):89-106.
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