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Thickness identification of tunnel lining structure by time-energy density analysis based on wavelet transform

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成果类型:
期刊论文
作者:
Sheng Zhang;Wenchao He;Yongsuo Li;Yuchi Zou
通讯作者:
Zhang, S.
作者机构:
[Li Y.; Zou Y.] School of Civil Engineering, Hunan City University, Yiyang, 413000, China
Smart Materials and Structures Laboratory, Department of Mechanical Engineering, University of Houston, Houston, TX 77204, United States
[He W.] School of Civil Engineering, Changsha University of Science and Technology, Changsha, 410114, China
[Zhang S.] School of Civil Engineering, Hunan City University, Yiyang, 413000, China<&wdkj&>Smart Materials and Structures Laboratory, Department of Mechanical Engineering, University of Houston, Houston, TX 77204, United States
通讯机构:
School of Civil Engineering, Hunan City University, Yiyang, China
语种:
英文
关键词:
Antennas;Circular waveguides;Concrete buildings;Concrete construction;Electromagnetic wave propagation;Electromagnetic waves;Finite difference time domain method;Geological surveys;Geophysical prospecting;Ground penetrating radar systems;Nondestructive examination;Reinforced concrete;Tunnel linings;Wavelet transforms;Ground penetrating radar (GPR);Lining structure;Non destructive testing;Quantitative identification;Reflection characteristics;Reinforced concrete lining;TEDAWT;Tunnel engineering;Time domain analysis
期刊:
Journal of Engineering Science and Technology Review
ISSN:
1791-9320
年:
2019
卷:
12
期:
4
页码:
28-37
基金类别:
This work was supported by the National Natural Science Foundation of China (Nos. 51608183 and 51678226), the China Scholarship Council (No. 201808430341), and the Natural Science Foundation of Hunan Province in China (No. 2018JJ3022).
机构署名:
本校为第一且通讯机构
院系归属:
土木工程学院
摘要:
The concrete thickness of the tunnel lining structure and cover depth is insufficient. Such condition seriously affects the safety and stability of the lining structure. The lining structure thickness is difficult to identify using radar profile horizon tracing method because of the strong interference of steel bars to electromagnetic wave propagation. To explore the reflection characteristics of electromagnetic wave signals at the interface between deep concrete and surrounding rock, a time-energy density analysis based on wavelet transform (T...

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