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为了实现公路对环境影响的定量评估,基于生命周期评价(LCA)理论,应用生态指标法(Eco-indicator 99)选取了生态系统、人类健康和资源能源3个终点环境影响类型,建立了公路生命周期终点模型,对某一级公路进行了实例分析。结果表明:资源能源消耗对环境的损伤最严重,占总环境损伤的70%,对人类健康的影响占20%,对生态环境的破坏占10%;公路生命周期终点模型能将环境影响量化到末端,减少了不确定性,推进了公路环评工作和环境保护工作。
In order to achieve a quantitative assessment of the impact of the highway on the environment, based on the life cycle assessment (LCA) theory, three end-point environmental impact types of ecosystems, human health and resources and energy were selected using the eco-indicator method (99) End-of-cycle model, a case of highway road-case analysis. The results show that the energy consumption of resources has the most serious environmental damage, accounting for 70% of the total environmental damage, 20% affecting the human health and 10% damage to the ecological environment. The end-of-life model of the highway can quantify the environmental impact to End, reducing the uncertainty, promote the work of road EIA and environmental protection.