基于单视线向D-InSAR技术提取开采沉陷移动与变形方法研究

doi:10.13722/j.cnki.jrme.2016.0646

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摘要为了解决D-InSAR技术不能全面监测煤矿开采引起的地表移动与变形问题，综合运用理论推导和模拟实验方法，开展基于单视线向D-InSAR技术提取开采沉陷移动与变形的方法研究，主要取得如下成果：(1) 融合近水平、缓倾斜煤层开采沉陷规律和D-InSAR技术，建立任意像元任意方向下沉、倾斜、水平移动、水平变形和曲率变形的计算模型及其推广模型。模拟实验结果表明，在模拟地质采矿条件和影像分辨率10 m条件下，任意像元移动变形模型提取精度为：① SN，EW向倾斜计算误差分别为±0.03和±0.02 mm/m；② SN，EW向水平移动计算误差分别为±1.6和±1.3 mm；③ SN，EW向水平变形计算误差分别为±0.04和±0.03 mm/m；④ SN，EW向曲率计算误差分别为±0.001和±0.001 mm/m2。模型精度满足矿山开采沉陷监测要求。(2) 利用构建的基于单视线向D-InSAR技术提取开采沉陷移动与变形方法，提取了20120105～20120116期间，南屯煤矿9310工作面开采引起的SN，EW向采动地表移动与变形。研究成果对矿山开采沉陷D-InSAR监测具有重要参考价值。

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	王磊1
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	张鲜妮1

关键词 ：采矿工程, D-InSAR, 概率积分法, 移动与变形, 开采沉陷

Abstract：Current D-InSAR technology cannot fully survey the surface movement and deformation caused by the coal mining. To overcome the weakness，a method of extracting the movement and deformation from a single D-InSAR pair based on the integrated means of theoretical derivation and simulation experiments was proposed. A calculation model of the tilt，horizontal movement，curvature and horizontal deformation in any direction for all pixels by combining the subsidence of the horizontal and gently inclined coal seams and D-InSAR technology was established. The errors of tilt calculation in North-south and east-west directions are ±0.03 mm/m and ±0.02 mm/m respectively. The errors of horizontal movement calculation in north-south and east-west directions are ±1.6 mm and ±1.3 mm respectively. The errors of horizontal deformation calculation in north-south and east-west direction are ±0.04 mm/m and ±0.03 mm/m respectively. The errors of curvature deformation calculation in north-south and east-west directions are ±0.001 mm/m2 and ±0.001 mm/m2 respectively. During the period of 05-01-2012 to16-01-2012，the surface movement and deformation in north-south and east-west directions caused by the mining at workface 9310 in Nantun coal mine were calculated by using the retrieving model of movement and deformation.

Key words： mining engineering D-InSAR probability integral method movement and formation mining subsidence

引用本文:

王磊1，2，张鲜妮1. 基于单视线向D-InSAR技术提取开采沉陷移动与变形方法研究[J]. 岩石力学与工程学报, 2017, 36(4): 865-873.
WANG Lei1，2，ZHANG Xianni1. Retrieving surface movement and deformation induced by coal mining based on a single D-InSAR pair. , 2017, 36(4): 865-873.

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http://www.rockmech.org/CN/10.13722/j.cnki.jrme.2016.0646 或 http://www.rockmech.org/CN/Y2017/V36/I4/865

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