Urban underground rail transit settlement and disaster monitoring based on InSAR

doi:10.13474/j.cnki.11-2246.2020.0054

Abstract

Abstract: The construction of urban metro will cause damage to the geological environment in the neighborhood, even catastrophe. The traditional methods based on point measurement have some shortcomings in practical application, such as long field operation cycle, weather influence and consuming a lot of manpower and resources. Therefore, based on the application requirements of urban underground train safety construction, taking Tianjin metro Line 5 as an example, this paper uses 27 TerraSAR data and PS-InSAR time series method to monitor and evaluate the impact of underground train construction. The results show that PS-InSAR can monitor the deformation of metro line and its surrounding areas during construction period, which is beneficial to the whole life and health monitoring of urban rail transit.

Key words: underground rail construction, geological hazards, PS-InSAR, monitoring methodology, rail transit monitoring

CLC Number:

P258

QIU Yahui, BIE Weiping, BO Zhiyi, LI Changqing, ZHENG Kuo, LANG Bo. Urban underground rail transit settlement and disaster monitoring based on InSAR[J]. Bulletin of Surveying and Mapping, 2020, 0(2): 107-112.

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