Study on Application of Environmental Value in Expressway Construction Project Scheme Choosing

Abstract

The serious negative impacts on local ecosystem alongside caused by expressway construction activities were analyzed. Based on theory of ecosystem services value and cost benefit analysis (CBA), the influence on and the damage to the ecosystem alongside expressways construction were discussed and calculated in currency. Combined with comprehensive consideration of engineering cost, a scheme of minimum total cost was searched out through mathematical model to obtain the optimal scheme. The real purpose is to offer explicit economic information to management decision-making during expressway construction, and make people realize that economic benefit brought by expressway construction have to be paid out by immense environmental cost and social cost, which can help decision maker to consider environmental cost and select right route.