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两级模糊优选模型及非结构性模糊决策理论在桥梁方案比选中的应用

注意：本论文已在《公路交通科技》2004,21(7):79-82发表
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王会利,李海滨,黄才良,石　磊
(大连理工大学桥梁研究所,辽宁　大连　116023)

摘 要：选择桥梁设计方案,涉及诸多因素,这些因素在某些情况下相容,在某些情况下又相斥。为了协调这些复杂关系,并降低人为因素的影响,本文引入两级模糊优选模型及非结构性模糊决策理论。并运用此模型,进行一桥梁的设计选型优化,得到了比较理想的结果,证明了此模型在桥梁方案比选中的实用性。
关键词:模糊优选;非结构性模糊决策;桥梁方案比选
中图分类号:Ｕ442 5　　　　　　文献标识码:Ａ

Two-extreme fuzzy optimum model and non-structural fuzzy decision theory applying to bridge type selection

Wang Hui-li, Li Hai-bin, Huang Cai-liang, Shi Lei
(The Bridge Science Resaerch Institute, Dalian University of Technology, Liaoning Dalian 116023,China)

Abstract: Several factors influence type selection of bridge. Some are consistent, others are inconsistent. In order to harmonize the relations among the factors and decrease the subjective influence, the two-extreme fuzzy optimum model and non-structural fuzzy decision theory are introduced. The method of fuzzy optimum decision has been successfully used in an example of type selection of a bridge, which includes four design projects.
Key words: Fuzzy optimum decision; Non-structural fuzzy decision; Type selection of bridge

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