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本文在分析求取概率积分法预计参数的方法基础上,基于潞安矿区王庄煤矿地表移动观测站实测资料,利用Matlab软件中非线性最小二乘拟合函数,绘制了各类地表移动变形拟合曲线,得到了概率积分法预计参数。同时,进行了地表移动变形的实测最大值与拟合值的分析比较,评定了其拟合精度。结果表明,用该方法求取概率积分法预计参数方便可行、参数求取准确、拟合精度高,具有较强实用性和可操作性。
Based on the analysis of the data obtained from the probabilistic integral method and the data from the observation station of surface movement in Wangzhuang coal mine in Lu’an mining area, this paper draws the nonlinear least square fitting function in Matlab software The curve, get the probability integral method predicted parameters. At the same time, the measured maximum value of the surface movement deformation was compared with the fitted value, and the fitting accuracy was evaluated. The results show that it is convenient and feasible to calculate the parameters by using the method of probability integration, the parameters are accurate, the fitting accuracy is high, and it has strong practicability and maneuverability.