基于三维高密度电法的公路路基病害识别模拟分析  

Simulation Analysis of Highway Subgrade Disease Identification Based on Three-Dimensional Electrical Resistivity Tomography

作　　者：王昊宇 黄一凡 WANG Haoyu;HUANG Yifan(Key Laboratory of Roads and Railway Engineering Safety Control〈Shijiazhuang Tiedao University〉,Ministry of Education,Shijiazhuang 050043,China;School of Civil Engineering,Shijiazhuang Tiedao University,Shijiazhuang 050043,China)

机构地区：[1]道路与铁道工程安全保障教育部重点实验室〈石家庄铁道大学〉,河北石家庄050043 [2]石家庄铁道大学土木工程学院,河北石家庄050043

出　　处：《国防交通工程与技术》2024年第3期24-28,71,共6页Traffic Engineering and Technology for National Defence

基　　金：河北省高等学校科学技术研究项目(QN2019185)。

摘　　要：公路路基病害实现快速、精细化的检测对于维护路基良好性能、提升公路运营安全和使用寿命具有重要意义。为研究三维高密度电法对路基病害的探测效果,建立了包含富水、疏松和空洞等常见路基病害的路基三维地电模型,通过正反演计算来模拟分析高密度电法对路基病害区域的圈定识别效果。模拟结果显示,高密度电法采用温纳装置具有较好的空间识别能力,可有效探测识别三维路基模型中的富水、疏松和空洞等病害区域,计算结果异常范围与病害发育区域基本吻合,且不受路面高阻层的屏蔽影响。研究可为公路路基病害的检测工作提供一定参考。The rapid and precise detection of subgrade diseases holds significant importance in maintaining the good performance of subgrades,enhancing highway operational safety,and extending the service life of highways.To investigate the detection effectiveness of Three-Dimensional Electrical Resistivity Tomography methods for subgrade diseases and further delineate and identify diseased areas,this study establishes three-dimensional models of three common highway subgrade diseases:water-rich,loose,and cavity.Through forward and inverse calculations,the study simulates and analyzes the identification effectiveness of three-dimensional tomography for diseased areas.The results indicate that the Wenner array demonstrates good spatial detection and identification capabilities for subgrade diseases,with the anomalous regions identified through inversion closely matching the areas of disease development and not affected by the shielding of the overlying high resistance asphalt pavement.The numerical simulation research can provide valuable insights for subsequent highway disease detection and identification efforts.

关 键 词：路基病害 三维高密度电法 温纳装置 数值模拟 精准识别 

分 类 号：U416.1[交通运输工程—道路与铁道工程] P631.3[天文地球—地质矿产勘探]