桥型方案选取的多层次系统决策

Multi-layer System Decision for Choosing Bridge Type

建立了桥型方案比选的多层次系统决策模型 ,其主要内容为 :建立层次结构模型、准则层和指标层影响因素权重赋值、建立方案层个体评判的指标特征矩阵、方案的综合排序。结合某城市高架桥进行了实例研究 。

A module of multi layer system decision for choosing bridge type is set up. The values of the affected factors in rule layer and index layer are assigned. The character index matrix of project layer is set up and the total evaluation on projects is made. Combined with the type choosing of Yan'an bridge in Qingdao City, a case study is done and satisfying result is obtained.