Influence Research on Pit Excavation Close to Existing Shield Tunnel

被引：2
|
作者：
Liu, Lin [1 ]
Ge, Peng-fei [1 ]
Wei, Gang [2 ]
Ying, Zhi-jie [3 ]
Luo, Can-fang [3 ]
Fei, Xia-ting [3 ]
机构：
[1] Hangzhou Urban Infrastruct Construct Dev Ctr, Hangzhou 310006, Zhejiang, Peoples R China
[2] Zhejiang Univ City Coll, Hangzhou 310015, Zhejiang, Peoples R China
[3] China Southwest Geotech Invest & Design Inst, Hangzhou 310015, Zhejiang, Peoples R China
来源：
CONSTRUCTION AND URBAN PLANNING, PTS 1-4 | 2013年 / 671-674卷
关键词：
pit; shield tunnel; excavation; deformation;
D O I：
10.4028/www.scientific.net/AMR.671-674.54
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Pit excavation has a negative impact on the existing shield tunnel close to it. The deformation mechanism of the existing tunnel during the pit excavation was analyzed. Theoretical analysis results shows: excavation unloading decreases the pressure in horizontal direction of the tunnel, which causes tunnel taking the horizontal displacement to the pit side; convergent deformation keeps in horizontal stretching, vertical compression, but the deformation is aggravated; tunnel vertical uplift or settlement is determined by the pit excavation depth; precipitation would make tunnel sinking. Five domestic pit excavation engineering instance was collected, and the reliability of the analysis in this article is proved by the statistical analysis of the measured data.
引用
收藏
页码：54 / +
页数：3
相关论文
共 50 条
  • [31] Multiple Disturbances of Existing Tunnels Caused by Deep Excavation and New Shield Tunnel
    Li, Haoran
    Ye, Fei
    Su, Enjie
    Han, Xingbo
    ADVANCES IN CIVIL ENGINEERING, 2023, 2023
  • [32] Deformation and Mechanical Characteristics of Existing Foundation Pit and Tunnel Itself Caused by Shield Tunnel Undercrossing
    Lou, Ping
    Li, Yonghe
    Lu, Shide
    Xiao, Hongbo
    Zhang, Zhengang
    SYMMETRY-BASEL, 2022, 14 (02):
  • [33] Analytical solution of deformation of underlying shield tunnel caused by foundation pit excavation and dewatering
    Guan Ling-xiao
    Xu Chang-jie
    Wang Xue-peng
    Xia Xue-qin
    Ke Wen-hai
    ROCK AND SOIL MECHANICS, 2023, 44 (11) : 3241 - 3251
  • [34] Study on stress and deformation of shield tunnel plate under unloading of foundation pit excavation
    Shuaihua Ye
    Jian Zhou
    Arabian Journal of Geosciences, 2021, 14 (23)
  • [35] Influence of excavation on exist metro shield tunnel and control measures
    Chen R.-P.
    Wang C.-J.
    Lu L.
    Meng F.-Y.
    Chen, Ren-Peng (chenrp@hnu.edu.cn), 1600, Tsinghua University (34): : 1 - 13
  • [36] Mechanical performances of shield tunnel segments under asymmetric unloading induced by pit excavation
    Wei, Gang
    Feng, Feifan
    Hu, Chengbao
    Zhu, Jiaxuan
    Wang, Xiao
    JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING, 2023, 15 (06) : 1547 - 1564
  • [37] Research on influence and monitoring of shield tunnel obliquely crossing beneath existing subway station
    Beijing Municipal Engineering Research Institute, Beijing 100037, China
    不详
    Yanshilixue Yu Gongcheng Xuebao, 2009, SUPPL. 1 (3186-3192):
  • [38] Influence of shield machine lifting on excavation during tunnel construction
    School Of Civil Engineering and Architecture of Henan University, Henan University, Kaifeng, Henan, China
    Electron. J. Geotech. Eng., 14 (6073-6084):
  • [39] Influence of shield machine lifting on excavation during tunnel construction
    Kong, Qingmei
    Electronic Journal of Geotechnical Engineering, 2015, 20 (14): : 6073 - 6084
  • [40] Model test of foundation pit excavation adjacent to the existing double-lane tunnel
    He, Jiuru
    Cheng, Xuansheng
    Zhang, Guiwen
    ENGINEERING RESEARCH EXPRESS, 2024, 6 (04):
12345