熵法确定权重的地基沉降组合预测模型  

A combined prediction model for foundation subsidence using the entropy weight method

作　　者：刘玉成[1] 

机构地区：[1]毕节学院采矿工程系,贵州毕节551700

出　　处：《中国科技论文在线》2010年第11期875-878,共4页

摘　　要：分析了目前各种沉降预测模型具有表达形式复杂、参数较难取得等缺点,用熵权法组合了在沉降预测中常用的指数和双曲线模型,建立了沉降预测的组合模型;计算实例表明该模型用熵权法确定权重运算简单,可操作性强,算出的权值较合理,能有效提高预测的精度。The existing prediction models for foundation subsidence are reviewed,which have complex expression forms and difficulty in obtaining parameters.The exponential function model and the hyperbolic curve model are combined using the entropy weight method and a combined prediction model for foundation subsidence is established.The combined model is applied in a case study.It is shown that the combined model is simple in computation and of high operability by using entropy weight method and it can give reasonable weight and enhance the prediction accuracy.

关 键 词：沉降 熵值 权重 组合预测 

分 类 号：TU433[建筑科学—岩土工程]