For surviving in the fierce building market,unbalanced bid became one kind of effective bidding quoted tactics! According to the causes of unbalanced bid,three kinds of unbalanced bid model have been summarized.

The cause and forms of unbalanced bid in tendering and bidding are expatiated.

On the basis of characteristics of the fixed unit price in the bill of quantities contract and fundamental principles and the conditions of unbalanced bid,a linear programming model maximizing terminal charges of final project completion was established.

Analysis of the unbalanced bidding in highway engineering tendering and bidding;

Optimization model research of unbalanced bidding in project tended;

Research on the mode of disequilibrium quoted price and its countermeasures;

Application of disequilibrium quoted price method in a tunnel project;

Discussion on the control of unbalanced quoted price in construction cost management;

Discussion on unbalanced quoted price method in architectural engineering tender offer

For the reason and motivation of unbalanced quoted price,as well as the possible risk and loss brought to tenderees,the paper discusses the importance to prepare adequately for the tender and to prevent from the unbalanced bid,and presents the method and thought adjust the serious unbalanced quotation,which has a certain of guidance value for smooth complete of tender.

Analysis of degree of unbalance in unbalanced bids;

The authors of the article introduce the conception of unbalanced bids and summarize the kinds of unbalanced bids.

The author introduces the bill of quanlities and unbalanced bids,then generalizes several kinds of unbalanced bids operational modes which contractor adopts in tendering.