Alternative Selection of Expressway in the National Nature Reserve

Abstract:

Since the alternativened Baoshan-Tengchong expressway happens to be within the influence scope of Gaoligong Mountain National Nature Reserve. By choosing ten evaluation indexes from the three aspects of economy, environmental impact and operation safety, a route alternative evaluation index system is established in the light of two route alternatives of Baoshan-Tengchong expressway put forward in the engineering project feasibility study stage, namely, the super long tunnel directly passing through the mountain alternative or bypassing it along the existing expressway alternative. Moreover, a expressway route alternative model for comparison and evaluation is built through application of set pair analysis theory and the analytic hierarchy process. By comparison, the bypassing alternative is finalized for, in spite of the increase of 15.28 kilometers from Baoshan to Tengchong compared to the other alternative, it can better reduce the influence on the nature reserve exerted by the construction and operation of the expressway and turn out to be more beneficial in the long run.

• Periodical: Advanced Materials Research (Volumes 594-597)
• Pages: 3066-3071
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.594-597.3066
• Online since: November 2012
• Authors: Jian Ping Gao, Xu Guang Zhang, Zhuo Zhang, Guo Xiong Wu
• Keywords: Expressway, Gaoligong Mountain, Nature Reserve, Route Alternative, Set Pair Analysis (SPA)

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