Besearch On PREE CoordinativeDevelopment Of Chengdu

On November 20, 2014, the state council issued the notice on adjusting the standard of urban size, chengdu into megacities. The acceleration of urbanization process to the beautiful ancient city with a long history in chengdu not only brings new development momentum, also brought a lot of urbanization will face difficulties. Fast filling iron is chengdu MRT system put into operation in the first line, is also China’s first regional railway. Taking into irrigation along the high speed rail on the thesis, PI county, dujiangyan city as an example to try the analysis of the social factor added to the original PREE system of sustainable development, and create a new research system, namely population, economy, environment and society(PEES) system, evaluation analysis was carried out on the three regions, respectively.First of all, in this paper, the qualitative analysis of chengdu into a quick filling iron in the thesis, PI county, dujiangyan city urbanization development level, urbanization and population, economy, environment and social analysis of the correlation analysis and comparison among three regions. Thesis is located in the city center, the economic situation greatly superior to PI county and the city of dujiangyan, the economic structure are reasonable, the third industry vigorous development. PI county is located in the second big chengdu envelops, fast economic development, the proportion of secondary industry is higher, but the social total retail sales of products have slow growth, belong to the traditional way of urban development, face to the transformation of the economy. Dujiangyan economic situation in the three in the final, the city as "the back garden of the chengdu", tourism industry, but below the thesis tourism income, total retail sales of social products are at very low levels, but the proportion of secondary industry is on the rise, the development of urban economy faces some difficulties.Secondly, this paper established the PEES on thesis, PI county, dujiangyan city coordinated development index system, after establishing the index system, collect data, and the criterion layer, system layer and PEES comprehensive development level of the system. Then reuse membership function model of thesis, PI county, dujiangyan PESE between two of the four subsystems, between three and four system coordination degree is calculated and coordination degree study. Thesis PEES, PI county, dujiangyan city, Hong Kong and development steadily increasing year by year, the thesis PEES comprehensive development degree is highest, PI county development level slightly higher than the city of dujiangyan, but the gap is not big. Thesis PEES optimal coordinated development condition, dujiangyan city from 2011 PEES coordinated development more than PI county, and in 2012, 2013, ahead of the PI county, but the coordination degree.Finally, the thesis PEES, PI county, dujiangyan city comprehensive development level and the coordinated development, analyzing problems and puts forward some opinions about urban development strategy to optimize PEES coordinated development. Development are put forword the sponge cities, wisdom, online education, online medical, industrial, 4.0, pension emerging concepts such as real estate and new energy.