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首页> 外文期刊>Journal of green building >ENERGY CONSUMPTION, ENVIRONMENTAL IMPACTS AND EFFECTIVE MEASURES OF GREEN OFFICE BUILDINGS: A LIFE CYCLE APPROACH
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ENERGY CONSUMPTION, ENVIRONMENTAL IMPACTS AND EFFECTIVE MEASURES OF GREEN OFFICE BUILDINGS: A LIFE CYCLE APPROACH

机译：能源消耗，环境影响和绿色办公大楼的有效措施：生命周期方法

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摘要

The last few decades have witnessed a rapid development of green buildings in China especially the office sector. The life cycle assessment (LCA) approach has potential to weigh the benefits and costs associated with green building developments. Essentially, the LCA method evaluates the costs and benefits across a building's life cycle with a system approach. In this study, a green office building in Beijing, China, was analyzed by life cycle assessment to quantify its energy use and evaluate the environmental impacts in each life cycle stage. The environmental impacts can be reduced by 7.3%, 1.6% and 0.8% by using 30% gas-fired electricity generation, increasing the summer indoor temperature by 1°C, and switching off office equipment and lighting during lunchtime, respectively. Similarly, by reusing 80% of the selected materials when the building is finally demolished, the three major adverse environmental impacts on human health, ecosystem quality, and resource depletion can be reduced by 11.3% 12.7%, and 7.1% respectively. Sensitivity analysis shows that electricity conservation is more effective than materials efficiency in terms of a reduction in environmental impacts. These findings are useful to inform decision makers in different stages of the green building life cycle.
机译：过去几十年目睹了中国在中国的绿色建筑迅速发展，特别是办公部门。生命周期评估（LCA）方法有可能权衡与绿色建筑开发相关的益处和成本。基本上，LCA方法通过系统方法评估建筑物生命周期的成本和益处。在这项研究中，通过生命周期评估分析了中国北京的绿色办公大楼，以量化其能源使用，并评估每个生命周期阶段的环境影响。通过使用30％的燃气发电，将夏季室内温度提高1°C，分别在午餐期间关闭办公设备和照明，可以减少7.3％，1.6％和0.8％。同样，通过重用80％的选定材料当建筑物最终拆除时，对人体健康，生态系统质量和资源枯竭的三个主要不良环境影响可以减少11.3％12.7％和7.1％。敏感性分析表明，在减少环境影响方面，电力保护比材料效率更有效。这些调查结果可用于通知决策者在绿色建筑生命周期的不同阶段。

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  • 来源
    《Journal of green building》 |2015年第4期|161-177|共17页
  • 作者

    Guozhu Mao; Hao Chen; Huibin Du; Jian Zuo; Stephen Pullen; Yuan Wang;

  • 作者单位

    School of Environmental Science and Engineering Tianjin University Tianjin 300072 China Tianjin Key Laboratory of Indoor Air Environmental Quality Control School of Environmental Science and Engineering Tianjin University Tianjin 300072 China;

    School of Environmental Science and Engineering Tianjin University Tianjin 300072 China;

    College of Management and Economics Tianjin University Tianjin 300072 China Center for Energy & Environmental Policy Research Institute of Policy and Management Chinese Academy of Sciences Beijing 100190 China;

    School of Architecture & Built Environment;

    Entrepreneurship Commercialisation and Innovation Centre (ECIC) The University of Adelaide Adelaide 5005 Australia;

    School of Natural and Built Environments University of South Australia Adelaide 5001 Australia;

    School of Environmental Science and Engineering Tianjin University Tianjin 300072 China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    green office building; life cycle assessment; energy consumption; environmental impacts;

    机译：绿色办公大楼;生命周期评估;能源消耗;环境影响;

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