Detection of grouting defects behind shield segments via shear wave ultrasound arrays: Numerical and full-scale model experiments
文献类型：期刊论文
| 作者 | Wang, Bin1; Zhou, Xiangxiang1,2; Liu, Liu1; Liu, Tiehua3 |
| 刊名 | TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
 |
| 出版日期 | 2025-03-01 |
| 卷号 | 157页码:18 |
| 关键词 | Grouting defect SH ultrasonic wave SAFT Nondestructive testing Shield tunnel |
| ISSN号 | 0886-7798 |
| DOI | 10.1016/j.tust.2024.106287 |
| 英文摘要 | During shield tunnel construction, grouting is injected between the segment and the surrounding rock to ensure structural safety. However, defects may occur because of insufficient or shrunken grouting. Therefore, nondestructive testing (NDT) of grouting defects behind tunnel shield segments is crucial for ensuring the performance of tunnel structures and preventing disasters. In this paper, a shear horizontal (SH) array ultrasonic wave with double-ray coverage imaging testing technique is proposed. Compared with the traditional single-ray coverage method, it has better performance in focusing imaging and noise resistance. Additionally, the SH wave profile is a simple waveform without apparent conversion wave interference. Numerical simulations considering varying rebar-layer layout configurations and full-scale shield segment model tests were carried out. The proposed method demonstrates superior detection accuracy and resistance to the interference from rebar in the segment; more importantly, compared with ground-penetrating radar (GPR) detection results for the same full-scale model, SH -array ultrasonic testing with double-ray coverage can provide more intuitive imaging of grouting defects without the need for complex manual data processing. Moreover, by applying Gaussian noise interference to the numerical models and a typical grouting defect model on site, it is shown that the double-ray coverage imaging method results in greater noise suppression and better defect focusing effects than does single-ray coverage. Therefore, the SH- array ultrasonic testing technique with double-ray coverage is an effective method for high-precision detection of grouting defects behind tunnel shield segments. |
| 资助项目 | National Natural Science Foundation of China[52379111] ; Hubei Provincial Key Research and Development Program[2023BAB098] ; CAS Pioneer Hundred Talents Program ; Fund of State Key Laboratory of Geomechanics and Geotechnical Engineering[SKLGME-JBGS2401] |
| WOS研究方向 | Construction & Building Technology ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001374622400001 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/43417]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Liu, Liu |
| 作者单位 | 1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 2.Anhui Univ Sci & Technol, Sch Civil Engn & Architecture, 168 Taifeng St, Huainan 232001, Anhui, Peoples R China 3.China Railway Siyuan Survey & Design Grp Co Ltd, Wuhan 430063, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Bin,Zhou, Xiangxiang,Liu, Liu,et al. Detection of grouting defects behind shield segments via shear wave ultrasound arrays: Numerical and full-scale model experiments[J]. TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY,2025,157:18. |
| APA | Wang, Bin,Zhou, Xiangxiang,Liu, Liu,&Liu, Tiehua.(2025).Detection of grouting defects behind shield segments via shear wave ultrasound arrays: Numerical and full-scale model experiments.TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY,157,18. |
| MLA | Wang, Bin,et al."Detection of grouting defects behind shield segments via shear wave ultrasound arrays: Numerical and full-scale model experiments".TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY 157(2025):18. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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