[an error occurred while processing this directive] 世界地质 2020, 39(4) 921-928 DOI:   10.3969/j.issn.1004-5589.2020.04.018  ISSN: 1004-5589 CN: 22-1111/P
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本文关键词相关文章
高速铁路
PS-InSAR技术
地表形变监测
高寒地区
本文作者相关文章
王莉
王志明
杨莹
PubMed
Article by Wang L
Article by Wang Z
Article by Yang Y
基于PS-InSAR技术的哈大高铁扶余至德惠段地表形变监测
王莉1, 王志明2, 杨莹2
1. 西藏自治区重点公路建设项目管理中心, 拉萨 850001;
2. 交通运输部天津水运工程科学研究所, 天津 300456
摘要： 基于2016年12月至2019年11月的32景Sentinel-1B SAR数据，采用PS-InSAR方法，首次评估了哈大高铁扶余至德惠段的地表形变情况。研究结果表明：①总体上，高铁线路的年平均地表形变速率在-2.4~2.0 mm/a之间，地表形变范围满足高铁安全运行的需要；②季节性路基冻胀是东北高铁区的地表形变的主要影响因素；③在德惠西部和扶余北站附近都发现了明显的地表沉降，其中扶余北站的地表沉降已对高铁的安全运行构成潜在危险。
关键词： 高速铁路   PS-InSAR技术   地表形变监测   高寒地区  
Monitoring on surface deformation from Fuyu to Dehui section of Harbin-Dalian high-speed railway using PS-InSAR method
WANG Li1, WANG Zhi-ming2, YANG Ying2
1. Key Highway Construction Project Management Center of Tibet Autonomous Region, Lhasa 850001, China;
2. Tianjin Research Institute for Water Transport Engineering, MOT, Tianjin 300456, China
Abstract: Based on 32 sentinel-1B SAR data from December 2016 to November 2019, the surface deformation along the Harbin-Dalian high-speed railway from Fuyu to Dehui section was evaluated using the time-series PS-InSAR method. The results shows that: ①the general annual average surface deformation rate along the high-speed railway ranges from -2.4 mm/a to 2.0 mm/a, which is safe for the operation of the railway；② seasonal subgrade frost heave is the main factor influencing surface deformation on high-speed railway in Northeast China；③ the obvious surface subsidence has been found near the stations of Dehuixi and Fuyubei, and the surface subsidence in Fuyubei station is a potential risk to the safe operation of the high-speed railway.
Keywords: high-speed railway   PS-InSAR method   surface deformation   severe cold zone  
收稿日期 2020-06-25 修回日期 2020-09-07 网络版发布日期  
DOI: 10.3969/j.issn.1004-5589.2020.04.018
基金项目:

交通运输部天津水运工程科学研究所科技发展基金前瞻性、储备性技术研究项目（KJFZJJ190207）与中央级公益性科研院所基本科研业务费（TKS180409）资助。

通讯作者: 王志明(1987-),男,工程师,主要从事交通科学研究。E-mail:feelmore@126.com
作者简介:
作者Email: feelmore@126.com
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