The Research Report Of Influence Of Environment Factors On Route Selection Of Expressway In Northwest Sichuan

Route selection is one of the most important part in highway construction,what mean choose a route which accord with the request of regional conditions and relevant panning.With the growing attention on environment protection in China,the request of environment feasibility become more important in route selection of highway construction.Substantial amounts of Environmental sensitivity areas,such as drinking water source area of reserves,upstream water reserves,natural reserves,landscape and famous sceneries,world cultural and natural heritage sites are distributed in Northwest Sichuan,which posed a secular challenge on route selection in this area.Based on this situation,article plans to offer avoidance suggestions and optimum proposals on the planed highway constructions where may involved environment sensitivity areas exist,on the basis of research of control points and main trend of the constructions between2011and2015.Article choose Wenchuan—Maerkang express way.Yingxiu—Wenchuan express way.Mianyang—Jiuzhaig express way and Wenchuan—Jiuzhaig express way,which have being into construction planning as the respondents.Route selection should be given priority to be according to the intrinsic low level roads.Regional part where involve into environment areas,when ought to take advantage of natural cover such as rivers and gorges.