本书针对城市地铁盾构隧道结构病害检测，介绍了隧道常见病害的机理，相应病害的检测方法、原理、仪器设备、数据处理等内容。具体包括现有的隧道人工巡检内容、方式、要求等；重点针对三维激光扫描、摄影成像扫描、地质雷达探测等新技术新方法在盾构隧道结构检测中的应用；特别对隧道检测获取的各类图像论述了基于人工智能深度学习方法的图像处理框架与模型；最后给出了三维激光扫描、摄影成像扫描、地质雷达探测等检测方法的实际工程案例。

1 Introduction
1.1 Overview of engineering geophysical exploration
1.1.1 Engineering geophysical exploration concept
1.1.2 Engineering geophysical exploration method and application
1.1.3 Engineering geophysical exploration mission
1.1.4 Main features of engineering geophysical exploration
1.1.5 Development history of engineering geophysical exploration in China
1.2 Analysis of current status of engineering geophysical exploration at home and abroad
1.2.1 Status of domestic engineering geophysical exploration and detection technology
1.2.2 Status of engineering geophysical exploration and detection equipment at home and abroad
1.2.3 Development trend of engineering geophysical exploration and detection at home and abroad
1.3 Prospects for the development of tunnel detection technology under complex geological conditions
2 Complex Geological Conditions and Detection Technology of Tunnel
2.1 Tunnel complex geological conditions
2.2 Tunnel geological diseases
2.3 New detection technology for complex geological conditions
2.3.1 Seismic wave method
2.3.2 Electrical method
3 Three-dimensional Advanced Prediction Technology for Tunnel Geological Structure
3.1 Comment on advanced prediction technology of tunnel geological structure at home and abroad
3.2 Three-dimensional wave field theory of underground surrounding rock
3.2.1 Basic theory of seismic wave
3.2.2 Three-dimensional tunnel geological prediction theory of seismic wave method
3.3 Processing and Imaging of signal of three-dimensional tunnel geological advance prediction
3.3.1 Signal processing of 3D tunnel geological advance prediction
3.3.2 Imaging theory of three-dimensional tunnel advance geological prediction
3.4 Three-dimensional tunnel geological advance prediction system
3.4 . 1 Signal acquisition system of three-dimensional tunnel geological advance prediction
3.4.2 Imaging software of 3D geological advance prediction technology
3.4 . 3 Analysis software of 3D tunnel geological advance prediction
3.5 Typical case
3.5.1 Case 1 of the application of the three-dimensional tunnel advance prediction system in the tunnel
3.5.2 Case 2 of application of 3D tunnel advance prediction system in tunnel
3.5.3 Case 3 of application of 3D tunnel advance prediction system in tunnel
3.5.4 Case 4 of application of 3D tunnel advance prediction system in tunnel
4 Three-dimensional Detection Technique for Groundwater-Containing Potential of Tunnel Surrounding Rocks
4.1 Evaluation and analysis on advance water exploration technology of tunnels at home and abroad
4.2 High-power electric sounding three-dimensional advance forecasting technology
4.2.1 High density resistivity method
4.2.2 Principle and working method of high-power electrical sounding three-dimensional detection
4.3 Ground penetrating radar three-dimensional detection technology
4.3.1 Detection principle of ground penetrating radar
4.3.2 Ground penetrating radar three-dimensional detection observation system and method
4.4 Typical cases
4.4.1 Application of high-power electric sounding three-dimensional detection technology in a tunnel
4.4.2 Application of ground penetrating radar three-dimensional detection technology in a tunnel
5 Three-Dimensional Detection Technology for the Side Slope of The Tunnel
5.1 Characteristics of the side slope of the tunnel
5.1.1 Overview of the characteristics of the side slope of the tunnel
5.1.2 Factors affecting the stability of the side slope of the tunnel
5.2 Typical case
5.2.1 Application of high density resistivity method in a tunnel
5.2.2 Application of high density resistivity method in a tunnel
6 Three-dimensional detection technology of TBM in tunnel
6. 1 Shield method on urban subways
6.2 The basic principle of seismi