《Table 1Summary of major ultra-long and ultra-deep mountain tunnels(built/under construction).》

《Table 1Summary of major ultra-long and ultra-deep mountain tunnels(built/under construction).》   提示：宽带有限、当前游客访问压缩模式
本系列图表出处文件名：随高清版一同展现
《特长超深埋山岭隧道挑战与发展展望》


  1. 获取 高清版本忘记账户？点击这里登录
  1. 下载图表忘记账户？点击这里登录

Initial geostress is one of the most important features that distinguishes rock mass from other materials.The geostress increases with the depth of the tunnel.A high-geostress environment（with a maximum principal stress of σ1>20 MPa，or a strength–stressratio of the intact rock of S0=Rc/σ1<7）significantly affects the pressure，deformation，and stability of the surrounding rock mass of ultra-deep tunnels，and can induce disasters such as rockburst and large deformation.For example，the diversion tunnel of the Jinping II Hydropower Station has a maximum depth of 2525 m，and 75%of the tunnel exceeds 1500 m.The measured maximum principal stress r1is 46 MPa，and the strength–stress ratio S0of the rock mass is approximately 2.13.More than 700 rockbursts occurred during construction；in particular，an extremely strong rockburst occurred on 28 November 2009，in which the support system was completely damaged within a 28 m section along the tunnel axis.The tunnel boring machine（TBM）was permanently buried by collapsed rock，causing tragic casualties.Another significant example is the Muzhailing Tunnel of the Lanzhou–Chongqing Railway.The tunnel is 19.02 km long and its maximum depth is about 715 m.The measured maximum principal stress is27.16 MPa，and the strength–stress ratio of the rock mass is 2.13.The core section of the slate/carbonaceous slate stratum ridge that the tunnel passes through is 2000 m deep.During construction，the large extrusion deformation was significant，and the lining structure was seriously damaged.

图表编号XD0087977600    严禁用于非法目的
绘制时间2019.06.01
作者朱合华、严金秀、梁文灏
绘制单位College of Civil Engineering, Tongji University、China Railway Academy Co., Ltd.、China Railway Construction Co., Ltd.
更多格式高清、无水印（增值服务）

相关图表

  1. 《Table 1Summary of the pathogenesis of COVID-19 and therapeutic mechanisms of CHM.》2020.10.01
  2. 《Table 1Summary of the pathogenesis of COVID-19 and therapeutic mechanisms of CHM.》2020.10.01
  3. 《Table 1.Comparison of the major features of LSM structures and hydrological schemes.》2018.07.16
  4. 《Table 1 Distribution of participants’college year,gender and major》2020.03.01
  5. 《Table 1 Metadata summary of“NCEP,ECMWF and MERRA data based global mountain torque reanalysis dataset”》2019.03.25
  6. 《Table 1Summary of major ultra-long and ultra-deep mountain tunnels(built/under construction).》2019.06.01
  7. 《Table 3 Import overview of major countries and regions, Jan.-Dec., 2018》2019.06.01
  8. 《Table 5 Class standards and weight of assessment factors (mt=mountain)》2019.03.01
  9. 《Table 4 Major element compositions and LOI of the collected samples》2019.03.01
  10. 《Table 1Summary of laboratory investigations.》2019.02.01
  11. 《Table 1 Major lncRNAs in the regulation of skeletal muscle growth and development》2019.02.20
  12. 《Table 12 Major oxides (wt%) and trace elements (ppm) of the studied metasedimentary rocks》2019.02.01
  13. 《Table 2 Major oxides (wt%) and trace elements (ppm) of the upper volcanic unit》2019.02.01
  14. 《Table 1Summary of physical properties and photocatalytic activities of as-prepared TiO2 samples.》2019.03.01
  15. 《Table 2 Contribution of major construction materials to total weight and carbon emissions》2018.09.01
  16. 《Table 1 Major and minor mineral phases of lake bed sediments by XRD analysis》2018.08.01
  17. 《Table 1 Major (wt%) and trace (ppm) element compositons of Yaganbuyang granitoids》2018.08.01
  18. 《Table 1 Major element concentrations (wt%) for silts and mud of the Chengqiang section》2018.04.01
  19. 《Table 2 Major and trace element compositions of the Yangbishan gneissic granite》2018.02.01
  20. 《Table 2 Major (%) and trace element (10-6) compositions of the Kunlunguan granite》2018.07.01

随机翻阅

《表4 自然水体N2O水-气界面排放通量》 《表4 不同培养基和离体培养时间对离体培养胚珠可溶性蛋白含量的影响》 《表1 磁体规格：磁化状态对粘结NdFeB磁体磁稳定性影响分析》 《表3 1 2 5 个品种的国家小麦品质达标情况》 《表8 不同部位黄牛肉干主成分分析因子载荷值》 《表6 两种混合碳源对长沙产地的香樟植株再生的影响》 《表2 某铝灰厂铝灰渣检测结果》 《表1 西安市部分PPP项目运行现状》 《表2 神经功能缺损情况对比》 《表5 D街道不同等级安全风险情况》