[摘　要]　针对如何降低建设项目的能源消耗和环境影响，保证建设项目的投资回报最优化，对全生命成本分析（LCCA）和全生命周期评价（LCA）的理论知识给予介绍，设计出建设项目的集成决策方法，为建设项目的投资决策过程提供定量化、科学化的依据，从而实现投资项目经济效益、环境效益和社会效益的有机结合。
[关键词]　建设项目；全生命成本分析；全生命周期评价；决策模型
Abstract: In this paper, how to lower the energy and environmental impacts of proposed project while achieving an optimization of owner's investment capitals has become a research focus with both theoretical and practical significance. This paper introduces the theoretical knowledge of Life Cycle Costs Analysis and Life Cycle Assessment, then designs the integrated decision-making strategy, which aims to make the project's investment be more reasonable and scientific, so as to achieve the combination of project's economic benefits, environmental benefits and social benefits.
Key words: construction project; life-cycle cost analysis; life-cycle assessment; decision making process
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建筑经济，2009（9）：77-80