湿陷性黄土地基沉降预测模型及其精度分析

Settlement Prediction Model of Collapsible Loess Foundation and Its Precision Analysis

本文介绍了Logistic曲线、Gompertz曲线和Poisson曲线等三种沉降预测模型及其预测参数的计算途径,基于沉降实测资料对各模型的预测精度进行了对比分析。结果表明,Gompertz曲线的拟合精度最高,适用于湿陷性黄土地基沉降的预测。

This paper introduced the way of calculating the Logistic curve,Gompertz curve and Poisson curve of three kinds of settlement prediction model and prediction parameters,prediction accuracy of each model based on settlement data measured in field were analyzed.The results showed that the Gompertz curve fitting of the highest accuracy,suitable for prediction of collapsible loess foundation settlement.