摘要
传统监测技术易受大气以及失相干等问题的影响,不能精准监测地表沉降,不利于预防矿区的地质灾害。针对该缺点,通过黑山矿区146景Sentinel-1A数据采用小基线集(SBAS-InSAR)技术进行时间序列干涉分析,选取了线性形变速率模型进行反演,并计算了2014-10—2020-10黑山矿区沉降中心分布及沉降量等信息。结果发现:排土场变形量最大的区域位于排场中部台阶堆积最高的区域,累计变形量为1140 mm与排土场的实际变形区域及变形量基本一致。这表明SBASInSAR技术在矿场监测地面沉降的研究中具有较高的工程价值。
In response to the shortcomings that the traditional monitoring techniques are susceptible to atmospheric as well as out-of-coherence problems,they cannot accurately monitor surface subsidence and are not conducive to the prevention of geohazards in mining areas.Through the 146-view Sentinel-1A data of the Heishan mine area using the small baseline set(SBAS-InSAR)technique for time series interference analysis,a linear deformation rate model was selected for inversion,and information on the distribution of subsidence centers and the amount of subsidence in the Heishan mine area from October 2014 to October 2020 was calculated.The results found that the area with the largest deformation in the discharge field is located in the area with the highest step accumulation in the middle of the field,and the accumulated deformation is 1140 mm which is basically consistent with the actual deformation area and deformation volume of the discharge field.This indicates that SBAS-InSAR technology has high engineering value in the study of monitoring ground settlement in mine sites.
作者
刘遵义
孙雪亮
武博强
朱世彬
许刚刚
LIU Zunyi;SUN Xueliang;WU Boqiang;ZHU Shibin;XU Ganggang(National Energy Group Xinjiang Energy Co.,Ltd.,Urumqi 830000,China;CCTEG Xi'an Research Institute(Group)Co.,Ltd.,Xi'an 710077,China)
出处
《煤炭技术》
CAS
北大核心
2023年第6期192-196,共5页
Coal Technology
基金
陕西省自然科学基础研究计划项目(2022JQ-308)。
