摘要
结合南京某地铁工程项目,选取9种预测模型(包括回归分析模型、GM(1,1)模型和函数模型),对盾构法施工期间引起的地面沉降量进行预测研究,对比分析各种模型精度,结果表明,玻尔兹曼函数模型和Logistic时间函数模型预测精度很高;进一步对模型进行改进,建立S-Q模型和G-L模型,验证表明,新模型的预测精度得到了提高,效果良好。
Here , nine prediction models （including regression analysis model ,GM （1 ,1 ） model and function model ） were chosen to study the ground settlement during shield construction of a metro project in Nanjing .The accuracy analysis and comparison of the nine models showed that boltzmann function model and Logistic time function model had the highest accuracy .And then S-Q model and G-L model were established based on the improvement of the 2 models with high accuracy .The prediction results prove that the improved models are applicable with even better prediction accuracy .
出处
《水利与建筑工程学报》
2015年第1期151-157,175,共8页
Journal of Water Resources and Architectural Engineering
