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公路对环境影响的定量评估

, PP. 33-38

Keywords: 交通工程,公路,环境,生命周期,生态指标

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Abstract:

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-indicator99)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。

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