中文摘要：

随着工程量清单招标模式在建筑工程项目招投标中的应用,投标人常采用不平衡报价策略获取高额利润,致使业主遭受额外的经济损失.针对建筑工程项目工程量清单投标报价特点,在可拓理论的基础上,建立基于可拓方法的不平衡报价识别模型,首先计算各投标报价在不同衡量级别下的综合关联度值,然后借助优度值法对其不平衡度作出评判,最后运用综合评分法直观反映评判结果,为招标单位选择最佳中标人提供决策依据.

英文摘要：

With the application of the bill bidding model projects ,bidders often take policies of unbalanced bid to achieve high profit in tendering process ,w hich can cause the ow ners to suffer additional losses .By using the theory of extension ,we created an identification method of unbal‐anced bids based on extension model .First of all ,we calculated comprehensive correlation value under different levels .Then ,we used the method of priority values to judge the degree of unbal‐ance .Finally ,we showed the results directly by using comprehensive score method ,and provide decision basis for bidding unit to select the best winning bidder .