Project Delivery System Selection with Interval-Valued Intuitionistic Fuzzy Set Group Decision-Making Method
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A project delivery system (PDS) is the relationship and contractual structure between the owner and the contractors of a construction project; this system defines the roles and responsibilities of the participates involved in the project. Selecting a suitable PDS is one of the keys to achieve a construction project’s goals. PDS selection is a typical multi-attribute decision making problem that can be effectively solved by group decision making. Interval-valued intuitionistic fuzzy set (IVIFS) is used to solve complex decision making problems, especially multi-attribute group decision making problems, under uncertain circumstances. In this paper, a group decision making model for PDS selection is proposed using IVIFS theory as basis. In order to improve the reliability of decision making, a new decision maker weight determination method is introduced based on information utility level. Finally, the validity of the method is verified through a case study. This method can aid project owners in PDS selection.
KeywordsConstruction project Project delivery system Selection Interval-valued intuitionistic fuzzy set Group decision making
The authors acknowledge with gratitude the National Natural Science Foundation of China (#Project Nos. 71302191, 71402045), the Fundamental Research Funds for the Central Universities of China (#Project Nos. 2016B46614, 2014B01314) and Foundation for Distinguished Young Talents in Higher Education of Henan (Humanities and Social Sciences), China (No. 2017-cxrc- 023). This study would not have been possible without their financial support.
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