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隧道建设(中英文) ›› 2014, Vol. 34 ›› Issue (12): 1143-1147.DOI: 10.3973/j.issn.1672-741X.2014.12.005

• 研究与探索 • 上一篇    下一篇

狮子洋隧道陆地段盾构施工横向地表沉降研究

杨延栋1, 2, 陈馈1, 2, 李凤远1, 2,周建军1, 2   

  1. (1盾构及掘进技术国家重点实验室, 河南 郑州 450001; 2中铁隧道集团有限公司, 河南 洛阳 471009)
  • 收稿日期:2014-07-29 修回日期:2014-09-09 出版日期:2014-12-20 发布日期:2014-12-17
  • 作者简介:杨延栋(1988—),男,陕西宝鸡人,2014年毕业于西南交通大学,机械设计及理论专业,硕士,助理工程师,研究方向为盾构及掘进技术。
  • 基金资助:

    国家973计划(2014CB046906); 中铁隧道集团科技创新计划(隧研合2012-17)

Case Study on Transverse Ground Surface Settlement of Land Section of Shiziyang Tunnel Bored by Shield

YANG Yandong1, 2, CHEN Kui1, 2, LI Fengyuan1, 2, ZHOU Jianjun1, 2   

  1. (1 State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, Henan, China; 2 China Railway Tunnel Group Co, Ltd, Luoyang 471009, Henan, China)
  • Received:2014-07-29 Revised:2014-09-09 Online:2014-12-20 Published:2014-12-17

摘要:

为了预测盾构隧道施工引起的地表横向沉降,针对狮子洋隧道陆地段DIK42+660断面地层,通过理论分析,利用Peck公式对该断面地表横向沉降量进行计算;通过数值模拟,利用ANSYS建立地层的有限元模型,并从数值模拟结果中获取地表单元的横向沉降量;最后通过与现场监测结果对比,对理论分析和数值模拟的地表横向沉降量预测方法进行评价。研究结果可为盾构隧道地表沉降的预测提供有效的方法。

关键词: 盾构隧道, 地表沉降, 理论分析, 数值模拟, 现场验证

Abstract:

In this paper, the transverse ground surface settlement of DIK42+660 crosssection of land section of Shiziyang tunnel induced by shield boring is calculated by means of Peck formula The ground is numerically simulated by means of ANSYS finite element model, and the transverse ground surface settlement values are obtained from the numerical simulation results The transverse ground surface settlement values obtained by means of theoretical analysis and numerical simulation respectively are estimated by means of comparing them with the measured values The paper can provide reference for the prediction of ground surface settlement of shieldbored tunnel of similar projects in the future

Key words: shieldbored tunnel, ground surface settlement, theoretical analysis, numerical simulation, field validation

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