In selecting one of the project delivery methods (PDMs), the existing models always neglect the uncertainties of the decision-makers for the problem to be solved, which may result in non-optimal ranks for the alternatives. According to the uncertain factors of lump-sum contracting PDMs, assumptions are presented for the decision making problem of selecting a lump-sum contracting project delivery method. The problem is solved by using uncertain multiple attribute (UMA) theory. Based on UMA, a decision-making support model is proposed. In the model, a sorting vector of possibility degree is obtained by using UEOWA and ULHA operators. In this way, an attribute evaluation system is developed. A case study is used to show the decision-making procedure and the effectiveness of the proposed method.%针对传统模型未考虑决策者在决策问题上的不确定性因素而可能导致方案排序不稳定的问题,应用不确定多属性(UMA)理论对总承包工程交易模式(PDMs)决策进行了研究.根据总承包工程交易模式的不确定性因素提出了模型假设条件,选择了模型构建的不确定多属性理论工具,应用UEOWA算子和ULHA算子构建了基于可能度矩阵排序向量的决策支持模型;建立了我国总承包工程交易模式决策问题的属性评价体系,通过工程实例说明了模型的决策步骤和方法.
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