| On the basis of the theory of the project post-evaluation from home and aborad, the preliminary discussion to the theory and method on the water conservancy construction project post-evaluation is carried on in this thesis in accordance with DEA basic principle. The work of post-evaluation started relatively late in our country and its theory, method and relevant norms are also not perfect, especially for the construction project of water conservancy. Thus, the study on water conservancy construction project post-evaluation, is of important realistic meaning and theoritical value.Water conservancy construction project post-evaluation includes course evaluation, economic evaluation, affection appraising, project goal assessment and constant appraisal. On the basis of analyzing individual benefit and influence of each part of construction project of water conservancy, this thesis puts forward synthetic analyzing way to interprete the relationship among individual indexes and influences on the general objective of the project in order to avoid the one-sidedness of the post-evaluation conclusion.Because of too many qualitative indexes in the water conservancy construction project post-evaluation, DEA basic theories are adopted. The assessing management validity, social influence post-evaluation, constant appraisal and comprehensive appraisal method are focused on in the view of sustainable development on the foundations of basic principle, mathematical model, economic meaning and application program of DEA. This paper applies this method to the post-evaluation of Dongtinghu Lake Dredging Project. Through appraisal, it draws the advantage and dependability of DEA used in water conservancy construction project post-evaluation.The exploration and studying on the water conservancy construction project post evaluation is a good attempt which aims at offering the reference to some theories, methods and practices for development of the water conservancy construction project post-evaluation.
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