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金属矿山 ›› 2015, Vol. 44 ›› Issue (04): 220-223.

• 矿山测量 • 上一篇    下一篇

寒区充填开采地表变形监测数据稳定性分析

郭庆彪1,2,3,郭广礼1,2,3,王金涛1,2,3   

  1. 1.中国矿业大学环境与测绘学院,江苏 徐州 221116;2.国土环境与灾害监测国家测绘地理信息中心重点实验室,江苏 徐州 221116;3.资源环境信息工程江苏省重点实验室,江苏 徐州 221116
  • 出版日期:2015-04-15 发布日期:2015-08-04
  • 基金资助:

    * “十二五”国家科技支撑计划项目(编号:2012BAB13B03),国家自然科学基金青年基金项目(编号:41104011),江苏省高校优势学科建设工程项目(编号:SA1102),中央高校基本科研业务专项(编号:2012LWB32)。

Stability Analysis of Surface Deformation Monitoring Data of Backfill Mining in Cold Region

Guo Qingbiao1,2,3,Guo Guangli1,2,3,Wang Jintao1,2,3   

  1. 1.School of Environment Science and Spatial Informatics,China University of Mining and Technology,Xuzhou 221116;2.NASG Key Laboratory of Land Environment and Disaster Monitoring,Xuzhou 221116,China;3.Jiangsu Key Laboratory of Resources and Environment Information Engineering,Xuzhou 221116,China
  • Online:2015-04-15 Published:2015-08-04

摘要: 为了准确获取充填面地表移动变形数据,有必要对各期监测数据的质量进行检验。利用F检验和t检验方法对寒区充填面观测站中监测点进行稳定性分析,结果表明观测期间控制点具有稳定性,进一步分析发现目标点存在3种形式的竖向移动:一是采煤引起的地表沉降,二是长期的汽车荷载作用下路基沉降现象,三是季节性冻土层的融沉现象。最后一种现象在我国高纬度地区较为普遍,该现象的产生将扩大地表移动盆地边界,减小主要影响正切值,不利于该类地质采矿条件下地表移动变形预计参数的准确获取。

关键词: 充填开采, 统计检验, 稳定性分析, 季节性冻土层

Abstract: In order to accurately obtain filling mining surface deformation data,it is necessary to test the quality of monitoring data at each period.The results show that control points are stable during monitoring through F-test and t-test for the stability analysis of surface deformation monitoring data of filling in cold region.Then,further analysis indicates that there are three kinds of vertical movements:the first is the surface subsidence caused by mining;the second is roadbed subsidence under long-term car loads;the last one is thaw collapse of seasonal frozen soil.The last is more general in the high latitude regions of China,and this phenomenon will have some influence on the surface deformation monitoring data,which enlarges the surface movement boundary and reduces the main affecting tangent angle.It is not conducive for getting estimated parameter accurately for this kind of geological and mining conditions.

Key words: Backfill mining, Statistical tests, Stability analysis, Seasonal frozen soil