Study On The Evaluation Of Ecological Residential Area Benefit

As an important part of ecological design, ecological residential area plays a significant role in the process of urban construction and human development on the growing worsened ecotope. Taking ecological, economic and social benefits of ecological residential area into a synthesized consideration to establish the consummate system of evaluation index can not only enrich the theory of ecological residential area, but also have important practical significance for regulating and guiding the construction of ecological residential area.Based on the analysis of the research of the theory of ecological residential area benefit evaluation and practical foundation,16 indicators belonged to economy, ecology and society aspects were chose to establish and quantify the index system of ecological residential area benefit evaluation. Ascertain the relations among the assessment indicators by confirmed 0.297,0.540 and 0.163 as the weight of economic, ecological and social benefits based on the Analytic Hierarchy Process (AHP). Then using the fuzzy comprehensive evaluation assessed the benefits of economy, ecology, society and synthesis.Taking a project of ecological residential area in Binhai New Area, Tianjin, as an example, the numerical results of the economic, ecological, social and comprehensive benefits of the project were calculated as follow:83.26,84.04,79.10 and 83.00. The study indicated that the project have achieved satisfactory results in the areas of economic, ecological and social, the evaluation rating is excellent; meanwhile, the project was designed in accordance with the standards of ecological residential area at the planning stage, it should have better overall efficiency. Therefore the evaluation index system obtained from this study was scientific and reasonable.