The Study On The Decision-making Of Tending And Bidding Based On Bill Of Quantity Valuation Model

With the valuation model of bill of quantity in-depth development in our country,the system of tending and bidding has been for a greatly improved, the competitive situation of "open, fair and just"is fully formed in construction markets, large number of enterprises in the tending and bidding market, which have to try their best to use decision analysis techniques to abtain the project but not doing everying possible to find improper ways as before. Therefore, at this stage, study on Bidding Method of Construction will have real practical significance for the majority of enterprises.Topics will divide the Bidding process into "tendering decision-making " and "Bidding price decision-making". On the study of Bidding Decision-making, it pointed out the limitations of the existing methods , against the Bidding activities which with the feature of high degree of uncertainty and complexity ,raised a very suitable choice-BP neural nerworks as the theory to establish the network as a decision-making model to solve such problems .By using appropriate technical ways to improve BP algorithm, and based on MATLAB Mathematical Software, constructing a BP network,then by spreadsheeting, contrasting, Optimizating it can have a good generalization ability to learn and the better learning speed network model successfully,at last it had been applied in the tender decision to the Shenyang ZH company.On the study of Bidding price Decision-making ,Combining the feature of the valuation model based on Bill of quantity ,and being inspired by the current hot spot for the study of case-based reasoning Price Decision Support System ,the topic establish a comprehensive price rapid generation system, and combine a engineering division to explanate the calculation process finally.