Development of tunnel detection technology using the transient electromagnetic method in China

IF 2.2 3区地球科学 Q2 GEOSCIENCES, MULTIDISCIPLINARY

Journal of Applied Geophysics Pub Date : 2025-02-01 DOI:10.1016/j.jappgeo.2025.105623

Li He , Xue Junjie , Fan Kerui , Li Wenhan , Li Xiu

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Abstract

Recently, with the increasing complexity of the topography, geological conditions and working environment in tunnel engineering, rapid and fine detection is significance to the safe construction in tunnel. Transient electromagnetic (TEM) method has advantages in detection of sudden water and mud bursts in tunnels for its characteristic of sensitivity to low resistance anomalous. Focused on tunnel detection, multi-scene and multi-scale detection system of air-ground-underground transient electromagnetic method is analyzed. The research shows that the semi-airborne TEM is efficiently and well-adapted in complex area in the detection depth of 500 m, and the ground TEM has the advantage of large detection depth (2000 m). Moreover, transient electromagnetic advance prediction method has advantages in distinguishing the close adverse geological bodies (100 m) in drilling and Tunnel Boring Machine (TBM) tunnel. Synthesize the advantages of these methods, explore to combine the advanced prediction with the preliminary geological survey to realize the integration of air and sky for efficient exploration.

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瞬变电磁法隧道探测技术在中国的发展

近年来，随着隧道工程中地形、地质条件和工作环境的日益复杂，快速、精细的检测对隧道安全施工具有重要意义。瞬变电磁法以其对低阻异常敏感的特点，在隧道突水、突泥探测中具有优势。以隧道探测为重点，分析了空-地-地瞬变电磁法多场景、多尺度探测系统。研究表明，半机载瞬变电磁法在探测深度为500 m的复杂区域具有较好的适应性，地面瞬变电磁法具有探测深度大（2000 m）的优势，瞬变电磁法在识别钻孔和隧道掘进机隧道中近距离不利地质体（100 m）方面具有优势。综合这些方法的优点，探索将超前预测与前期地质调查相结合，实现天空一体化，实现高效勘探。

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来源期刊

Journal of Applied Geophysics 地学-地球科学综合

CiteScore

3.60

自引率

10.00%

发文量

274

审稿时长

4 months

期刊介绍： The Journal of Applied Geophysics with its key objective of responding to pertinent and timely needs, places particular emphasis on methodological developments and innovative applications of geophysical techniques for addressing environmental, engineering, and hydrological problems. Related topical research in exploration geophysics and in soil and rock physics is also covered by the Journal of Applied Geophysics.