Study On Theory And Application Of Road-bridge Investment Project Ex Post Evaluations

Evaluation workings after project come of western developed countries such as USA, UK in the thirties of 20 century. At the beginning of the seventies of 20 century, the evaluation workings after investment project were taken out by the international financing institutes such as World Bank in a large scale. The evaluation workings after project began at the mid and end of the eighties of 20 century in our county. With the background of the evaluation workings after project is generally recognized by the international society and the construction and investment scales increased constantly, at the nineties of 20 century, the departments who takes out the evaluation workings after project increased gradually. On paper,as an important component part of project management, the evaluation after project have drawn more and more attentions of scholars at home and abroad.The text starts from the traits of the investment project of Road Bridge. Firstly, the eyesight of evaluation after project was deeply developed from both the front and the back. It studies the operation systems and the management systems of the investment project of Road Bridge. Also it sets up the relative model of evaluation after the investment project of Road Bridge. It seeks for the scientific and reasonable quantification solution of the determination of the nature of target, then takes out the quantification analysis; in the meantime, the forecast model of dynamical uncertainty sets up to predict the operational profits of the project in the future periods, so as to scientific evaluate and analysis to this project with the result of predict. It sets up the scientific, viable and reasonable forecast model towards small sample data. The main content of this topic is as following:(1) the paper brings forward the evaluation management model after the investment project of Road Bridge and the systematic structure of feedback mechanism, such as the settings of institutional framework, the choice of the evaluation target, management regime, policy establish, and the feedback format of the fruit of the evaluation after project.(2) according to the characteristic of the evaluation after the investment project of Road Bridge, the data of mark on the checking and accepting the projects is handled by the way of applying the solution of rough set based on the dominance...