基于聚类的多参数联合隧道探测方法、系统及装置

By employing a multi-parameter joint detection method, combining minimum support functional and FCM clustering, the problem of unclear inversion imaging in tunnel detection using induced polarization and hydrological methods was solved, enabling precise characterization of the water-bearing structure boundary in front of the tunnel and improving the accuracy and stability of the detection.

CN117034637BActive Publication Date: 2026-07-17SHANDONG UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG UNIV
Filing Date
2023-08-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In tunnel detection, the induced polarization method is sensitive to water body response but not to boundaries. The hydrological flow field permeability coefficient detection data has poor sensitivity, resulting in unclear inversion imaging and multiple solutions, making it difficult to accurately characterize the boundaries of anomalies.

Method used

A cluster-based multi-parameter joint detection method is adopted. Multiple sets of observation data are obtained through the geoelectric model. Combined with multi-parameter inversion of resistivity, polarizability and permeability coefficient, the model is iterated and the membership degree is updated using the minimum support functional and FCM clustering method. The weights of each parameter are balanced to solve the homogenization problem in the inversion process and achieve accurate boundary characterization.

Benefits of technology

It improves the accuracy of detecting water-bearing structures ahead of tunnels, solves the problem of unclear boundary characterization in the joint inversion of induced polarization and hydrological methods, and realizes the stability and effect improvement of multi-parameter inversion.

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Abstract

本发明提供基于聚类的多参数联合隧道探测方法、系统及装置,包括:获得隧道探测的多组观测数据;通过隧道探测的多个参数对应的模型获得与上述观测数据空间对应的多个初始模型矢量,所述多个参数包括电阻率、极化率和渗透系数中的多个;多组观测数据和多个初始模型矢量在最小支撑泛函的约束下通过反演方程获得各参数的模型迭代量;根据各参数的模型迭代量更新参数,进行多次迭代,获得多组观测数据中属于不同地质体的隶属度。本发明使多参数反演之间相互约束、相互印证,最终同时提升多个参数反演的稳定性和效果。
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