【摘要】 国民经济效益的计算是公路建设项目经济评价中的一个核心内容,如何准确、合理地衡量效益是经济评价研究人员必须注重的一个问题。现有经济评价方法的局限性导致了在复杂路网和交通情况下效益计算困难。本文对“新老路一一对应”、“一般路网且无诱增交通量”、“一般路网和一般交通条件”等3种路网交通情况下的效益计算方法进行了研究、分析和比较,为公路建设项目经济评价研究人员提供参考。更多还原

【Abstract】 It is a core problem to quantify national economic benefit accurately and reasonably in economic evaluation of highway construction project.However,it is quite difficult to calculate economic benefit accurately under complex condition of road and traffic using the method proposed by the official guidelines.On the basis of the author’s research and work experiences,a deep analysis and overall comparison on methodology of benefit quantification are made.A comprehensive methodology is proposed for various conditions of road and traffic,including "one new road matched by one old road" case,"general network without induced traffic" case,and "general network with general traffic" case.更多还原