建立了一种基于傅里叶级数有限项的路基沉降预测模型,通过比较决定系数、残差平方和以及均方误差等来提取级数项数,并用遗传算法估计相关参数。算例分析表明,基于傅里叶级数的沉降预测模型较其他预测模型有较高的精确度,具有借鉴意义。 A subgrade settlement prediction model based on the finite element of Fourier series was established. The number of series was extracted by comparing coefficient of determination, residual sum of squares and mean square error, and the related parameters were estimated by genetic algorithm. The case study shows that the settlement prediction model based on Fourier series has higher accuracy than other prediction models, which has reference significance.