岩移观测数据处理及曲面拟合参数求取研究  

Study on Data Processing of Rock Strata Displacement Observation and Parameters Calculation of Curved Surface Fitting

作　　者：李春意[1] 陈洁[2] 

机构地区：[1]河南理工大学测绘与国土信息工程学院,河南焦作454003 [2]河南理工大学,河南焦作454003

出　　处：《煤炭科学技术》2012年第11期98-102,共5页Coal Science and Technology

基　　金：国家自然科学基金资助项目(41101520;41071328;51074064);河南理工大学博士基金资助项目(648558)

摘　　要：针对传统观测站布设和数据处理存在的问题,提出了任意方向水平移动量的计算方法;构建了矩形工作面开采曲面拟合下沉和水平移动函数模型;研究了垂向偏差系数对主要影响半径产生的影响;对比分析了曲面拟合和非线性曲线拟合所得的预计参数。结果表明,当垂向偏差系数小于某个固定值时,用平均开采深度代替走向主断面的开采深度引起的偏差不会超过10%,否则,就不能忽略其对主要影响半径造成的影响;与非线性曲线拟合相比,下山和上山方向的水平移动系数精度分别提高了6.3%和3.3%,主要影响角正切精度分别提高了3.6%和6.0%,开采影响传播角系数拟合精度提高了13.3%,且拟合结果不受工作面采动程度的限制。Based on the analysis on the problems existed in the layout of the traditional observation station and the data processing, a culation method of the any direction horizontal moving value was provided. A mining curved surface of the rectangular coal mining face fitting the subsidence and horizontal moving function model was established. The paper studied the vertical offset coefficient affected to the main influence radius occurred. The predicted parameters obtained from the curve fitting and nonlinear curve fitting were compared and an- alyzed. The results showed that when the vertical offset coefficient was smaller than a fixed value, the offset occurred by the average mining depth replaced to the strike main cross section mining depth would not be over 10%. Otherwise the influence caused by the main influence radius should be considered. In comparison with the nonlinear curve fitting, the accuracy of the horizontal moving coefficient in dip and rise direction could be improved by 6. 3% and 3.3% individually. The tangent accuracy of the main influence angle was individually im- proved by 3.6% and 6.0%. The fitting accuracy of the propagation angle coefficient affected by the mining was improved by 13.3%. Thus the fitting results would not be restricted by the mining of the coal mining face.

关 键 词：开采沉陷 概率积分 曲面拟合 数据处理 岩移观测站 

分 类 号：TD325.4[矿业工程—矿井建设]