The Research Of Unbanlanced Bidding Adjustment Based On Case-based Reasoning

The unbalanced offer is one of the bidding strategies used by the offers underthe pattern of list valuation. The extensive use of unbalanced offer increased theburden on the owner project management. The severe unbalanced offer will lead todistortion of the actual cost, which hinder the implementation of the valuation withbill quantity. So, the reasonable price adjustment on the unbalanced offer isespecially important in the clarified stage before signing contract. Thus to addressthe issue on recognition of unbalanced offer and target unit price derivation processafter recognition for the owners, the article will make a series of studies on theadjustment of unbalanced offer based on the pattern of list valuation.The article puts forward the objective necessity of adjustment on theunbalanced offer through comparative analysis of the domestic and internationalresearch, it analyzes the basis situation of the domestic list valuation and unbalancedoffer; Then combined with papers involved in the underlying theory to do atheoretical review.According to the relevant theoretical knowledge, the topic studiesthe unbalanced offer identify of list valuation, and presents the building of a listmeasurement Ledger and the use of error analysis method, And cited CBR principle,used similarity calculation function and expert decision-making method of attributeweights to research and identify the unbalanced quoting list,then adjusted it. It take aexample for Feng-Da highway to demonstrate the theory of adjustment on theunbalanced offer, finaly proved it by compared with the budget unit price.The article provides a scientific theoretical basis for the owners, that deal withthe unbalanced offer and the adjustment of unbalanced offer in the projectmanagement, it can also take some theoretical reference and guide to the practicalwork.