运营期高速公路软基沉降预测模型研究

软基的工后沉降是软土地区高速公路面临的一个重大问题，因此对软基的沉降进行预测显得尤为重要。由于各种工程地质条件的复杂性和难以模拟性，软基沉降的预测总是难以达到精准。基于广东省某高速公路软基沉降监测结果，建立指数曲线模型和幂多项式模型，通过对比分析来探讨预测模型的准确性。结果表明两种预测模型都能达到很高的预测精度，从而准确反映软基沉降规律。

The Settlement Prediction Model Research of Highway Soft Soil Ground in Service

Post-construction settlement is a major problem of soft soil ground highway. So it is important to predict settlement on soft soil ground. Because of the complexity and non-simulation of geological conditions, soft soil ground is always difficult to achieve accurate prediction. This paper based on the monitoring results of a highway soft soil ground in Guangdong, built a index curve model and a power-polynomial model, and then research the accuracy of there two models according to contrast them. The results show that both two models can achieve high precision and reflect the soft soil ground settlement laws accurately.