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目的研究时序分析法在地铁工程变形沉降监测数据分析和处理的实用性,确定时序分析法对岩土勘察监测数据的拟合预测精度.方法通过对沈阳地铁二号线工程变形沉降监测数据的分析,建立时序分析模型.利用该模型对实测监测数据进行预测.结果利用该时序分析模型预测的后5期高程值残差在0.3 mm以内,说明时序分析法可以有效地找出变形沉降监测数据的变化规律.结论时序分析法在地铁工程变形沉降监测数据的分析和预测上具有较高的精准度,可以地铁工程的设计和施工提供参考依据.
Aim To study the practicability of time series analysis in the analysis and treatment of deformation and settlement monitoring data of subway project and to determine the accuracy of fitting prediction accuracy of the time series analysis method to the geotechnical investigation and monitoring data.Methods Through the analysis of deformation and settlement monitoring data of Shenyang Metro Line 2 project , The time series analysis model was established.Using the model to predict the measured monitoring data.Results The residual value of the last five elevation values predicted by the time series analysis model was less than 0.3 mm, indicating that the time series analysis method can effectively identify the deformation monitoring data And the regularity of change.Conclusion Time series analysis method has high accuracy in the analysis and prediction of deformation and settlement monitoring data of metro project, which can provide reference for the design and construction of metro project.