地表移动趋势项预测模型的研究

A Study on Prediction Model of Trend Term for Ground Surface Movemen t

提出了地表移动监测数据是由趋势项、周期项及随机项合成的观点。并给出了三种趋势运动规律的数学方法 ,结合实例数据 ,进行精度分析 ,提出了各种数学模型的适用条件 ,对提高地下工程变形预测可靠性研究进行了有益的探讨。

In this paper, a viewpoint, considering tha t the monitoring data of g round surface movement is synthesis of trend term, cycle term and random term, i s presented. The mathematical expressions for the law of variation for these thr ee trends are given and their precision is analyzed with practical examples. The conditions for application of various mathematical models are given to investig ate the reliability of deformation prediction for the underground projects.