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YUAN Ya-fei DENG Ka-zhong LI Huai-zhan, . DInSAR Monitoring and Damage Control of High Grade Highway During Coal Mining Period[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (5).
Citation: YUAN Ya-fei DENG Ka-zhong LI Huai-zhan, . DInSAR Monitoring and Damage Control of High Grade Highway During Coal Mining Period[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (5).

DInSAR Monitoring and Damage Control of High Grade Highway During Coal Mining Period

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  • Available Online: April 02, 2023
  • Published Date: May 24, 2014
  • In order to evaluating the damage degree of high grade highway above mine goaf during coal mining, Differential Inter feormetry Synthetic Aperture Rad ar (DInSAR) technology was applied to monitor the subsidence of high grade highway above old goaf under the condition of repeated mining with the TerraSAR-X satelli te is 10 scenes of Nantun Mining Area. The experiment obtained the timing diagrams of mining subsidence during monitoring which was difficult to achieve with a traditi onal measurement method. The subsidence values of high grade highway on the time were extracted. The damage degree of Zouji Highway was assessed based on the monitoring values. Studies showed that the highway had the maximum subsidence of 210 mm, the maximum horizontal deformation of 3.1 mm/m, the maximum curvatu re value of 0.046 mm/m2, the maximum inclined value of 3.175 mm/m in the period of monitoring. These leaded the highway to present the phenomenon of cracks and bulges that caused the highway minor damage. According to the damage characteristics, the constructive measures were given.
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