摘要
灰色预测模型对隧道围岩变形的预测有着较好的效果。研究结果表明,灰色Verhulst模型不仅可以对隧道围岩变形进行短期预测还适合进行长期预测,且预测精度与参数a有关。在短期预测精度上,GM(1,1)优化模型优于Verhulst模型。
The prediction accuracy of grey prediction model is very high in prediction of tunnel surrounding rock deformation.The results indicated that Verhulst model is suitable for not only short-term predicition but also long-term predicition of tunnel surrounding rock deformation,and the prediction accuracy has relation with parameter a.GM(1,1) optimization model is superior to Verhulst model on short-term predicition.
出处
《建筑结构》
CSCD
北大核心
2010年第S1期319-321,共3页
Building Structure
关键词
隧道
围岩变形
预测模型
tunnel
surrounding rock deformation
prediction model
