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Monitoring Differential Subsidence along the Beijing-Tianjin Intercity Railway with Multiband SAR Data
Shi, M (Shi, Min)1,2,3; Chen, BB (Chen, Beibei)1,2,3; Gong, HL (Gong, Huili)1,2,3; Li, XJ (Li, Xiaojuan)1,2,3; Chen, WF (Chen, Wenfeng)4; Gao, ML (Gao, Mingliang)1,2,3; Zhou, CF (Zhou, Chaofan)1,2,3; Lei, KC (Lei, Kunchao)5
Source PublicationINTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
2019
Volume16Issue:22Pages:4453
DOI10.3390/ijerph16224453
Abstract

High-speed railways have strict standards of infrastructure deformation and post-construction settlement. The interferometric synthetic aperture radar (InSAR) has the ability to detect ground deformation with a high accuracy and wide coverage and is becoming a useful tool for monitoring railway health. In this study, we analyzed the Beijing-Tianjin Intercity Railway (BTIR) track using InSAR time-series analysis with different data sets. First, by using RADARSAT-2 images, we examined the areas along the BTIR with significant subsidence. Then, we characterized these areas by means of X-band TerraSAR-X data. We adopted the expectation (Ex) and entropy (En) method, combined with GIS spatial analysis, to analyze the ground settlement differences on both sides of the railway. The results show that the area with the most severe differential settlement occurs between 12 and 20 km along the railway and within 120 to 20 m on both sides of the Chaoyang-Tongzhou section (CTS). Thereafter, we analyzed the reasons for the large difference in this area by considering different factors, e.g., regional land subsidence, groundwater level changes, and the dynamic load. In addition, we studied the impact of regional subsidence on the safe operation of the BTIR. The results show that the maximum different settlement along the BTIR is within the safe range, according to the high-speed railway design standard between 2010 and 2015. This study aims to provide technical support for assessing the impact of subsidence on the safety of railway operations.

Subject AreaEnvironmental Sciences
WOS IDWOS:000502057400150
Language英语
Indexed BySCI
KeywordInsar Time-series Land Subsidence Deformation Interferometry Urbanization Displacement Scatterers Plain
WOS Research AreaEnvironmental Sciences & Ecology ; Public, Environmental & Occupational Health
WOS SubjectEnvironmental Sciences ; Public, Environmental & Occupational Health
Cooperation Status国内
ISSN1661-7827
Department环境变化与地表过程重点实验室
URL查看原文
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9098
Collection图书馆
Corresponding AuthorChen, BB (Chen, Beibei)
Affiliation1.Capital Normal Univ, MOE, Key Lab Mech Prevent & Mitigat Land Subsidence, Beijing 100048, Peoples R China;
2.Capital Normal Univ, Beijing Lab Water Resources Secur, Beijing 100048, Peoples R China;
3.Capital Normal Univ, Base State Key Lab Urban Environm Proc & Digital, Beijing 100048, Peoples R China;
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China;
5.Beijing Inst Hydrogeol & Engn Geol, Beijing 100195, Peoples R China.
Recommended Citation
GB/T 7714
Shi, M ,Chen, BB ,Gong, HL ,et al. Monitoring Differential Subsidence along the Beijing-Tianjin Intercity Railway with Multiband SAR Data[J]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH,2019,16(22):4453.
APA Shi, M .,Chen, BB .,Gong, HL .,Li, XJ .,Chen, WF .,...&Lei, KC .(2019).Monitoring Differential Subsidence along the Beijing-Tianjin Intercity Railway with Multiband SAR Data.INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH,16(22),4453.
MLA Shi, M ,et al."Monitoring Differential Subsidence along the Beijing-Tianjin Intercity Railway with Multiband SAR Data".INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 16.22(2019):4453.
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