利用热成像技术增强隧道裂缝的泄漏检测：统计原因分析的案例研究

IF 4.5 2区材料科学 Q1 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Ndt & E International Pub Date : 2025-09-11 DOI:10.1016/j.ndteint.2025.103547

Kang Wang , Lizhuang Cui , Jian Liu , Feng Guo

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引用次数: 0

摘要

漏水是隧道中最常见的问题，衬砌裂缝是进水的直接原因。针对热图像中裂缝热特征被水遮挡的问题，建立了隧道漏水模拟环境，揭示了衬砌漏水温度场的变化规律。此外，还增强了热图像中的裂纹特征。以开元隧道为例，建立了隧道漏水综合热成像检测方法。对热图像中的裂纹特征进行分割，生成位置分布图。检查结果确定了隧道漏水的原因及其分布密度。建立了隧道漏水与围岩地质、山体地形的相关性。最后，提出了隧道的维护建议。该研究为热成像探测在隧道场景中的实际应用提供了有价值的见解和参考。

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Enhanced leak detection in tunnel cracks using thermal imaging: A case study on statistical cause analysis

Water leakage is the most common issue in tunnels, with lining cracks being the direct cause of water ingress. To address the challenge of cracks' thermal characteristics being obscured by water in thermal images, this study established a simulation environment for tunnel water leakage, revealing the temperature field variation patterns of lining leaks. Additionally, the features of cracks in thermal images were enhanced. Using the Kaiyuan Tunnel as a case study, a comprehensive thermal imaging detection method for tunnel water leakage was developed. The crack features in thermal images were segmented, and a location distribution map was generated. The inspection results identified the causes of tunnel water leakage and its distribution density. Furthermore, the correlation between tunnel water leakage, surrounding rock geology, and mountain terrain was established. Finally, maintenance recommendations for the tunnel were proposed. This research provides valuable insights and references for the practical application of thermal imaging detection in tunnel scenarios.

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来源期刊

Ndt & E International 工程技术-材料科学：表征与测试

CiteScore

7.20

自引率

9.50%

发文量

121

审稿时长

55 days

期刊介绍： NDT&E international publishes peer-reviewed results of original research and development in all categories of the fields of nondestructive testing and evaluation including ultrasonics, electromagnetics, radiography, optical and thermal methods. In addition to traditional NDE topics, the emerging technology area of inspection of civil structures and materials is also emphasized. The journal publishes original papers on research and development of new inspection techniques and methods, as well as on novel and innovative applications of established methods. Papers on NDE sensors and their applications both for inspection and process control, as well as papers describing novel NDE systems for structural health monitoring and their performance in industrial settings are also considered. Other regular features include international news, new equipment and a calendar of forthcoming worldwide meetings. This journal is listed in Current Contents.