山岭隧道施工监控量测重点地段划分探讨

Discussion on the Division of Key Sections of Monitoring Measurement in Mountain Tunnel Construction

根据隧道围岩与隧道支护结构的相互作用,论文梳理了隧道施工过程中因支护结构力学状态和稳定程度异常将造成支护结构变形或破坏的地段类型,主要划分为不利地形地貌地段、不良地质地段、特殊性岩土地段及隧道特殊结构部位4类。探讨了隧道施工过程中可能产生不利影响的细分段落,分析了这些重点地段的隧道监控量测工作,掌握了监控量测的工作要点,有助于更好地发挥监控量测在隧道施工中的作用。

According to the interaction between the tunnel surrounding rock and the tunnel supporting structure,the paper sorts out the types of sections that will cause deformation or damage to the supporting structure due to the abnormal mechanical state and stability of the supporting structure in the tunnel construction process,which are mainly divided into four categories:unfavorable terrain and geomorphic sections,bad geological sections,special geotechnical sections and special structural parts of the tunnel.This paper also discusses the subdivisions that may have adverse effects during tunnel construction,analyzes the tunnel monitoring and measurement work in these key areas,and grasps the key points of monitoring and measurement work,which is helpful to better play the role of monitoring and measurement in tunnel construction.