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新疆西部北天山深埋特长隧道工程区应力场数值模拟

马秀敏,  彭华,  姜景捷,  彭立国

文章导航 > 地质力学学报  > 2012 >  18(1): 1-10
朱大岗, 1997. 实验岩石裂隙微观形态初探. 地质力学学报, 3 (1): 57-62.
引用本文: 马秀敏, 彭华, 姜景捷, 等, 2012. 新疆西部北天山深埋特长隧道工程区应力场数值模拟. 地质力学学报, 18 (1): 1-10.
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Zhu Dagang, 1997. MICROMORPHOLOGY OF EXPERIMENTAL ROCK CRACKS. Journal of Geomechanics, 3 (1): 57-62.
Citation: MA Xiu-min, PENG Hua, JIANG Jing-jie, et al., 2012. NUMERICAL SIMULATION OF IN-SITU STRESS FIELD IN THE AREA OF DEEP-BURIED AND LONGER TUNNEL IN NORTH TANSHAN, XINJIANG. Journal of Geomechanics, 18 (1): 1-10.
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新疆西部北天山深埋特长隧道工程区应力场数值模拟

  • 1.

    国土资源部新构造运动与地质灾害重点实验室, 北京 100081

  • 2.

    中国地质科学院地质力学研究所, 北京 100081

基金项目: 科技支撑项目"汶川地震断裂带科学钻探-井中科学探测"课题及"地震断裂带的应力环境、应变能的分布及其与地震关系"课题联合资助
详细信息
    作者简介:

    马秀敏(1978-), 男, 硕士, 助理研究员, 主要从事地应力测量、地壳稳定性调查与评价、地质灾害、围岩稳定性等方面研究。E-mail:maxiumin2@163.com

  • 中图分类号: P551

NUMERICAL SIMULATION OF IN-SITU STRESS FIELD IN THE AREA OF DEEP-BURIED AND LONGER TUNNEL IN NORTH TANSHAN, XINJIANG

  • 1.

    Key Lab of Neotectonic Movement and Geohazards, Ministry of Land and Resources, Beijing 100081, China

  • 2.

    Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

摘要

    摘要
  • 摘要: 采用隧道工程区应力实测数据、北天山地区现代震源机制解、区域地质构造资料以及岩体物理力学参数作为物理模型边界条件和载荷，对北天山隧道工程区进行三维应力场数值模拟，获得了整个工程区特别是隧道工程重要部位岩体应力分布规律，并依据隧道区应力场模拟结果，结合地质资料进行了隧道工程稳定性分析。

     

    Abstract: In this paper, the measured in-situ stress data of the tunnel area, modern focal mechanism solutions of the North Tianshan region, regional geological structural data, as well as physical and mechanical parameters of rock mass were used as boundary and load conditions of the geological model. The three-dimensional numerical simulation was completed on stress field of the north Tianshan tunnel project area. And the rock mass stress distribution law in the whole project area, particular some important parts, was obtained. Stress data was provided for the tunnel project design. Based on the simulation results of the tunnel area stress field, the tunnel stability is analyzed.

     

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  • 图  1  北天山隧道工程区地质图

    Figure  1.  Geological map of the north Tianshan tunnel area

    下载: 全尺寸图片 幻灯片

    图  2  建立的地质模型图

    Figure  2.  A map showing geological model

    下载: 全尺寸图片 幻灯片

    图  3  北天山隧道地区三维网格划分

    Figure  3.  Three-dimensional grid in the north Tianshan railway tunnel area

    下载: 全尺寸图片 幻灯片

    图  4  重力作用模式图

    Figure  4.  Mode chart of gravity action

    下载: 全尺寸图片 幻灯片

    图  5  构造作用模式

    Figure  5.  Mode of tectonic action

    下载: 全尺寸图片 幻灯片

    图  6  隧道模拟区主应力分布云图

    Figure  6.  Cloud chart showing distribution of principal stress in the tunnel simulation area

    下载: 全尺寸图片 幻灯片

    图  7  隧道轴线上主应力变化曲线

    Figure  7.  Principal stress curves on the tunnel axis

    下载: 全尺寸图片 幻灯片

    表  1  JYZ-2#、JYZ-7#、JYZ-8#钻孔内隧道穿过部位原地应力测量结果

    Table  1.   In-situ stress in the tunnel parts of JYZ-2#、JYZ-7# and JYZ-8# drill holes

    表  2  岩石力学参数

    Table  2.   Parameters of rock mechanics

    表  3  最大与最小主应力模拟值与实测值对比

    Table  3.   Comparison of simulated and measured values of maximum and minimum principal stresses
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出版历程
  • 收稿日期:  2011-11-21
  • 刊出日期:  2012-03-01

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