| Life cycle assessment for the ＂implicit＂ environmental impact of construction projects |
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| 引用本文： | Xiao-gen Shuai,Hui-qiang Li,Li Tang. Life cycle assessment for the ＂implicit＂ environmental impact of construction projects[J]. 西安交通大学学报(英文版), 2009, 21(3): 167-171 |
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| 作者姓名： | Xiao-gen Shuai Hui-qiang Li Li Tang |
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| 作者单位： | Xiao-gen Shuai,Hui-qiang Li(School of Civil Engineering and Mechanics, Huazhong University of Science& Technology, Wuhan 430074;Hubei Key Laboratory of Control Structure, Huazhong University of Science & Technology, Wuhan 430074, China);Li Tang(School of Civil Engineering and Mechanics, Huazhong University of Science& Technology, Wuhan 430074;Bartlett School of Graduate Study, University College London, London WC1E 6BT, UK) |
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| 基金项目： | This work was supported by the Special Research Foundation of Doctoral Subjects in University of China （No. 20050487017） |
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| 摘 要： |
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| 关 键 词： | 项目环境影响评价 生命周期 定量计算方法 能源消耗指标 生活 室内空气质量 人类健康 全球变暖 |
Life cycle assessment for the "implicit" environmental impact of construction projects |
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| Xiao-gen Shuai,Hui-qiang Li,Li Tang. Life cycle assessment for the "implicit" environmental impact of construction projects[J]. Academic Journal of Xi’an Jiaotong University, 2009, 21(3): 167-171 |
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| Authors: | Xiao-gen Shuai Hui-qiang Li Li Tang |
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| Abstract: | The paper has established an assessment system and a quantitative calculation method of the "implicit" environmental impact including environmental impact indicator, resources consumption indicator and energy consumption indicator. The quantitative calculation of the environmental impact indicator is based on the life cycle assessment system and the evaluation software BEES. The paper identifies normalization reference values and weights for 12 categories of the environmental impact. It also analyzes the environmental impact indicator in life cycle stages, raw materials, transportation, manufacturing, utilization, and end of life. A university refectory project is studied. The result has shown that human health, global warming and acidification are the first three environmental impacts in 12 categories. The environmental impact indicator per m2 of this project is 18.448×10-2 standard human equivalent weight. Moreover, 97.3 % of the total environmental impact occurs at the raw material stage, in which the most severe environmental impact is cancerous health effect; the global warming is the main impact at the transportation and manufacturing stages; the indoor air quality impact is at the usage stage. |
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| Keywords: | life cycle assessment environmental impact implicit environmental impact BEES software |
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