Experimental study on progressive interfacial mechanical behaviors using fiber optic sensing cable in frozen soil
文献类型：期刊论文
| 作者 | Liu, Tian-Xiang3; Zhu, Hong-Hu3; Li, Qi2 ; Wu, Bing3; Li, Hao-Jie3; Hu, Le-Le3; Yan, Du-Min1,3
|
| 刊名 | JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING
 |
| 出版日期 | 2025-03-01 |
| 卷号 | 17期号:3页码:1828-1846 |
| 关键词 | Geotechnical monitoring Pullout test Cable-soil interface Progressive failure Frozen soil |
| ISSN号 | 1674-7755 |
| DOI | 10.1016/j.jrmge.2024.03.003 |
| 英文摘要 | Frost heave and thaw settlement in cold regions pose a significant threat to engineering construction. Optical frequency domain reflectometry (OFDR) based on Rayleigh scattering can be applied to monitor ground deformation in frozen soil areas, where the interface behavior of soil-embedded fiber optic sensors governs the monitoring accuracy. In this paper, a series of pullout tests were conducted on fiber optic (FO) cables embedded in the frozen soil to investigate the cable-soil interface behavior. An experimental study was performed on interaction effects, particularly focused on the water content of unfrozen soil, freezing duration, and differential distribution of water content in frozen soil. The highresolution axial strains of FO cables were obtained using a sensing interrogator, and were used to calculate the interface shear stress. The interfacial mechanical response was analytically modeled using the ideal elasto-plastic and softening constitutive models. Three freezing periods, correlating with the phase change process between ice and water, were analyzed. The results shows that the freezing effect can amplify the peak shear stress at the cable-soil interface by eight times. A criterion for the interface coupling states was proposed by normalizing the pullout force-displacement information. Additionally, the applicability of existing theoretical models was discussed by comparing the results of theoretical back-calculations with experimental measurements. This study provides new insights into the progressive interfacial failure behavior between strain sensing cable and frozen soil, which can be used to assist the interpretation of FO monitoring results of frozen soil deformation. (c) 2025 Institute of Rock and Soil Mechanics, Chinese Academy of Sciences. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/ 4.0/). |
| 资助项目 | National Key Research and Development Program of China[2023YFF1303501] ; National Science Fund for Distinguished Young Scholars of China[42225702] ; Open Fund of State Key Laboratory of Frozen Soil Engineering[SKLFSE201814] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001448377400001 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/36567]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Zhu, Hong-Hu |
| 作者单位 | 1.China Railway Construct Corp Ltd, Beijing 100855, Peoples R China 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 3.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Tian-Xiang,Zhu, Hong-Hu,Li, Qi,et al. Experimental study on progressive interfacial mechanical behaviors using fiber optic sensing cable in frozen soil[J]. JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING,2025,17(3):1828-1846. |
| APA | Liu, Tian-Xiang.,Zhu, Hong-Hu.,Li, Qi.,Wu, Bing.,Li, Hao-Jie.,...&Yan, Du-Min.(2025).Experimental study on progressive interfacial mechanical behaviors using fiber optic sensing cable in frozen soil.JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING,17(3),1828-1846. |
| MLA | Liu, Tian-Xiang,et al."Experimental study on progressive interfacial mechanical behaviors using fiber optic sensing cable in frozen soil".JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING 17.3(2025):1828-1846. |
入库方式： OAI收割
来源：武汉岩土力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。