Application of InSAR deformation monitoring in mining subsidence damage identification and stability evaluation

doi:10.13474/j.cnki.11-2246.2023.0367

Abstract

Abstract: This paper illustrates the application of InSAR technology in mining subsidence by listing three engineering cases. Firstly, the InSAR technology is compared with the third-class leveling to clarify the accuracy and reliability of InSAR technology in the field of mining deformation monitoring. Secondly, SBAS-InSAR technology is used in a closed mine in Huainan to obtain the time series deformation information, and the solution results are compared with the goaf stability evaluation index, concluding that the surface of the mining area is stable.Finally, based on the research background of some houses and buildings in a village with different degrees of damage, and on the basis of conventional methods to obtain the scope of mining impact, the SBAS technology and 8 Sentinel-1A data are further used to confirm that the village surface has been in a stable state. The results show that InSAR deformation monitoring technology can provide a powerful scientific basis for mining subsidence damage tracing and settlement stability judgment.

Key words: mining subsidence, InSAR, stability evaluation, damage identification of mining subsidence mining, temporal deformation

CLC Number:

P258

CHEN Ranli, WANG Hongjun, DIAO Xinpeng, ZHANG Baojin. Application of InSAR deformation monitoring in mining subsidence damage identification and stability evaluation[J]. Bulletin of Surveying and Mapping, 2023, 0(12): 106-111.

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