一种软岩隧道连续变形光纤传感器监测系统

By constructing a three-dimensional tunnel model and a fiber optic sensor monitoring system, identifying monitoring points in characteristic areas, adaptively adjusting acquisition parameters, and fusing data to generate continuous deformation monitoring results, the problem of low accuracy in soft rock tunnel deformation monitoring was solved, and real-time and accurate tunnel deformation monitoring was achieved.

CN120467213BActive Publication Date: 2026-07-17ANHUI TRANSPORT CONSULTING & DESIGN INST

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ANHUI TRANSPORT CONSULTING & DESIGN INST
Filing Date
2025-04-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies are insufficient for comprehensive, real-time, and accurate continuous deformation monitoring of soft rock tunnels. Traditional methods, such as leveling instruments and total stations, involve discrete measuring points and cannot accurately reflect the overall deformation of the tunnel.

Method used

A three-dimensional tunnel model is constructed, monitoring points in characteristic areas are identified, initial data is collected through fiber optic sensors, and the acquisition parameters are adaptively adjusted through deformation probability. Monitoring data and image data are fused to generate continuous deformation monitoring results.

Benefits of technology

It enables precise positioning and dynamic tracking of soft rock tunnels, improving the comprehensiveness and accuracy of monitoring. It can track the deformation development of monitoring points in real time and generate continuous deformation monitoring results.

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Abstract

本发明涉及数据监测技术领域,揭露了一种软岩隧道连续变形光纤传感器监测系统,该系统包括监测点识别模块、数据采集模块、变形概率分析模块、目标监测数据采集模块及连续变形监测结果生成模块,其中,识别三维隧道模型中隧道特征区域对应的监测点;按照光纤传感器的初始角度及初始采集频率采集监测点对应的监测数据及图像数据,并进行数据融合,分析融合后数据的变形概率;根据变形概率对角度及采集频率进行自适应调整,按照自适应调整后的角度及采集频率采集监测点对应的目标监测数据;根据目标监测数据及监测数据确定监测点对应的变形趋势,根据变形趋势生成软岩隧道的连续变形监测结果。本发明可以提高软岩隧道连续变形监测时的精确度。
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