广义时间函数参数求取方法研究

Research on Parameters Calculation Method of Generalized Time Function

基于区间估计算法求取Knothe时间函数参数的原理,结合由开采引起地表沉陷的一般事实规律提出了采用区间估算法求取广义时间函数参数的构想,并建立了相应的数学模型,给出了地表移动动态预计的基本原理.结合实例,将采用该模型求得的参数进行地表动态沉陷预计的结果与实测资料进行对比分析.结果表明,该模型对矿区地表下沉动态预计能够达到较好的效果,说明该模型具有一定的实用价值.

According to the theory of zone assessment used to calculate the parameters of Knothe time function, and the general factual law of surface subsidence caused by coal mining, an idea was put forwarded that the parameters of generalized time function could also be calculated by zone assessment. Then the mathematical model was established, and the principle of surface movement dynamic pre- diction was illuminated. Finally, a comparative analysis between the measured data and prediction results was made by an example. The result showed that applying the model to pTediet the dynamic surface subsidence for the mining area could obtain good effect, and the model had some practical value.