摘要
老矿山历经长时间的地质重构和地貌变化,影响矿区地表岩层稳定性的因素表现出时间性和空间性的特征。从时空观思想出发,探讨了影响老矿区地表岩层稳定性的地质、地貌和时间因素,提取了3类因素、8个影响因子作为评价指标。运用信息分配和信息扩散原理,建立了老矿采空区地表岩层稳定性的评价模型;通过点信息的特征融合,得到各测点的稳定性评价概率。利用MATLAB仿真,生成工作区地表岩层稳定性评价的平面图。并以吉林某老矿区为例,计算结果与实地调查一致。
After a long time period, there were a geological restructuring and a topographic variation in the old mine. The factors influenced to the stability of the surface rock strata could show the features of the time and space. Based on the time and space, the paper discussed the geological, space and time factors influenced to the stability of the surface rock strata in the old mining area. Three type factors with 8 influence divisors were picked up as the evaluation indexes. With the information distribution and the information spreading princi- ple, an evaluation model of the roof strata stability for the goaf in the old mine was established. With the feature combination of the point information, the stability evaluation probability of each measuring point was obtained. With the MATLAB simulation, an iehnography of the surface strata stability evaluation for the working area was generated. Taking a mine in Jilin Province as the example, the calculation results was the same to the site investigation.
出处
《煤炭科学技术》
CAS
北大核心
2009年第8期116-119,共4页
Coal Science and Technology
基金
国家地震局教师科研基金资助项目(20090101)
关键词
老矿区
数据融合
信息分配与信息扩散
稳定性评价
old mining area
data combination
information distribution and spreading
stability evaluation
