Study on mining surface subsidence law of deep coal seam group mining based on SBAS-InSAR
LI Xinliang
XING Bin
CHEN Wencong
XUE Yakun
YI Sihai
Abstract：Due to the mutual disturbance and superposition effect between working faces in different layers and different positions,the mining of deep coal seam group makes the surface subsidence law more complicated than that of single working face mining,and the surface subsidence disaster is more serious.Therefore,taking the deep coal seam group mining in Linxi Mine as the research object,this paper uses the Small Baseline Sub-set InSAR(SBAS-InSAR)technology to obtain the cumulative surface subsidence,and analyzes the surface subsidence law under deep coal seam group mining conditions.The study shows that compared with shallow mining,the boundary angle of deep mining is slightly larger,and the surface subsidence range caused by min-ing is smaller.The spatial mining layout of coal seam group has a great impact on the distribution range and subsidence amount of surface subsidence,among which the surface subsidence range is mainly determined by the outer working face mining of coal seam group,and the mining of inner working faces mainly affects the subsidence amount,with a relatively small impact on the surface subsidence range.The research results enrich the surface subsidence law of deep coal seam group mining and have important significance for the prevention and treatment of surface subsidence disasters in mining areas.
Keywords：SBAS-InSARdeep miningcoal seam groupsurface subsidenceangular parameters
Publication Date：2024-12-28
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：9( 37-44,96 )