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结合武汉市东湖隧道工程中大跨度钢板桩围堰的变形监测数据,对大跨度钢板桩围堰的形变特征及预测模型进行了研究,针对其大量级、强趋势和波动性的数据特点,探索出与之相适应的高精度、高稳定的单项与组合预测模型,并采用Matlab编制相应的实用预测软件,获得了良好的预测效果。可为今后同类工程大跨度钢板桩围堰的形变分析预测提供有益借鉴。
Combined with the deformation monitoring data of long-span steel sheet pile cofferdam in Donghu tunnel project of Wuhan City, the deformation characteristics and prediction model of long-span steel sheet cofferdam are studied. According to the data characteristics of large-scale, strong trend and volatility, The corresponding high precision and high stability single and combined forecasting models are obtained, and the corresponding practical forecasting software is compiled by Matlab to obtain a good forecasting result. It can provide useful reference for the deformation analysis and prediction of long-span steel sheet pile cofferdam in similar projects in the future.