软弱围岩条件下高速公路隧道施工围岩滑坡变形检测  

Deformation Detection of Surrounding Rock Landslide in Expressway Tunnel Construction Under Weak Surrounding Rock Condition

作　　者：伊明 YI Ming(The 5th Engineering Co.,Ltd.of China Railway 16th Bureau Group,Tangshan 063000,China)

机构地区：[1]中铁十六局集团第五工程有限公司,河北唐山063000

出　　处：《科技创新与生产力》2025年第4期144-146,共3页Sci-tech Innovation and Productivity

摘　　要：为提高滑坡变形检测结果的可靠性,掌握围岩滑坡变形趋势,本文开展软弱围岩条件下高速公路隧道施工围岩滑坡变形检测方法设计。在详细了解工程所在地的地质条件、围岩性质、施工方法等内容的基础上,参照Mohr-Coulomb理想弹性模型,建立软弱围岩条件下高速公路隧道施工模型;根据检测需求,布置围岩监测点;根据测点所在位置,安装传感器等数据传输设备,建立检测现场网络连接,进行监测数据的采集;计算不同条件下的围岩滑坡地表倾斜单元下沉值,实现围岩滑坡变形检测。实践证明,设计的检测方法不仅可以掌握测点的滑坡变形情况,还可以掌握围岩的滑坡变形趋势,以此推断隧道围岩的变形情况。In order to improve the reliability of landslide deformation detection results and master the deformation trend of surrounding rock landslide,the design of landslide deformation detection method for expressway tunnel construction under the condition of weak surrounding rock is carried out.On the basis of knowing the geological conditions,surrounding rock properties and construction methods of the project site in detail,referring to Mohr-Coulomb ideal elastic model,the construction model of expressway tunnel under the condition of weak surrounding rock is established;according to the detection requirements,the surrounding rock monitoring points are arranged;according to the location of the measuring point,data transmission equipments such as sensors are installed,the network connection of the detection site is established,and the monitoring data is collected;the subsidence values of surface tilt unit of surrounding rock landslide under different conditions are calculated,and the deformation detection of surrounding rock landslide is realized.Practice has proved that the designed detection method can not only grasp the landslide deformation at the measuring point,but also grasp the landslide deformation trend of surrounding rock,so as to infer the deformation of tunnel surrounding rock.

关 键 词：软弱围岩 检测方法 变形 滑坡 隧道 高速公路 

分 类 号：U455[建筑科学—桥梁与隧道工程] P642.22[交通运输工程—道路与铁道工程]