当前，构建和谐社会是我国发展的战略目标，这其中，构建可持续发展的建筑业是构建和谐社会的重要组成部分。建筑，在其整个生命周期过程中给资源和环境带来了沉重的负担，我们要建设和谐社会，大力发展“绿色建筑”，减少建筑物整个生命周期的能耗和环境负担是一个不可回避的任务。但是，建筑物是一个非常复杂的系统，如何评价建筑物整个生命周期的环境影响是当前一个重要的课题。“建筑工程环境影响评价体系和应用研究”是国家自然科学基金课题“建筑工程生命周期环境影响评价理论与方法的研究”的子课题之一。本文有两个目标：第一，完善本课题组先前提出的BEPAS模型。本文试图从生命周期评价（LCA）的理论框架出发，重新诠释BEPAS的基本理论。同时，修正完善BEPAS。本文扩展了BEPAS模型，将环境影响类型由先前的8种扩大到12种，并提出了一个衡量各环境影响类型的权重系统。该权重系统基于社会支付意愿的原理和目前我国征收的排污费和资源税，反映了社会对环境影响的支付意愿（以北京为例）。基于该权重系统，各种类型的环境影响值可以归一到一个确定的综合环境影响值。第二，广泛搜集建筑工程环境影响数据，基于改进的BEPAS模型，测算样本建筑物不同阶段的环境影响值，并通过统计分析，检查BEPAS模型的适用情况，进而分析我国当前建筑环境影响值的在不同类型和不同高度建筑物之间分布的特点。进一步探讨减少我国建筑工程环境影响的方法。通过以上两方面的工作，我们希望能建立一个适合在中国推广的建筑工程环境影响评价标准，以推动我国建筑业的可持续发展，为构建和谐社会做出一定的贡献。

At present, the establishment of a harmonic society is the strategic aim of China and the development of the sustainable construction industry play an important part to realize of a harmonic society. Buildings have tremendous impacts on the environment and natural resources during their whole life cycle including construction, renovation, operation, maintenance and demolition. Therefore, it is imperative to develop a sustainable construction industry to reach this aim. However a building is a very complex system and how to assess its environmental performance scientifically is an important topic at present.The “Research on the building environmental performance assessment system and its application” is one of the sub-projects of the “Study on the theory and method of life cycle environmental impact assessment of buildings and construction”, a project sponsored by China National Natural Science. There are two aims in this paper:One is to perfect the model of BEPAS presented previously by our group. This paper re-described BEPAS based on the framework of Life Cycle Assessment (LCA) and revised the model. The range of the environment in BEPAS was extended from eight categories to 12 ones and a weighting system was proposed, which balanced all categories. This weighting system reflected the social willingness-to-pay for the environmental damage based on the theory of social willingness-to-pay and the environmental tax system (including the emission charge and natural resource tax) implemented in China now. With this weighting system, the environmental impacts of all categories can be monetized and integrated into a single value. The other is to collect data of the environmental performannce of buildings. With the revised BEPAS, the environmental performance values of the sample buildings during different life phases were calculated and analyzed. Through statistical analysis, the adaptability of BEPAS and the characteristics of the distribution of the environmental performance values were examined among different buildings in terms of types and heights. Further, the method to reduce the environmental impacts of buildings was examined.Through this research, we hope to develop a criterion of the environmental performance assessment of buildings, which can be widely carried on in China, in order to push the sustainable development of the Chinese construction industry and further to contribute to the establishment of of a harmonic society in China.