文章信息/Info

Title:

Materials Selection for Green Building Based on Life Cycle Assessment

作者:

劉 宇;  張宇峰;  孫燕瓊;  龔先政

(北京工業大學材料科學與工程學院, 北京 100124)

Author(s):

LIU Yu;  ZHANG Yufeng;  SUN Yanqiong;  GONG Xianzheng

(College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China)

關鍵詞:

建筑材料;  生命周期評價;  綠色建筑

DOI:

10.7502/j.issn.1674-3962.2016.10.02

文獻標志碼:

A

摘要:

我國建筑業能耗占全國總能耗的 40% 以上, 建筑中由于圍護結構熱傳導而產生的空調與供暖能耗占建筑全生命周期能耗的 70% 以上, 節能建筑材料的開發與應用是建筑節能的關鍵。 以對建筑保溫性能具有關鍵作用的外墻外保溫材料、 建筑玻璃窗與墻體材料為研究對象, 利用生命周期評價方法定量分析典型節能建材從礦石開采、 材料生產、 運輸、 使用直至最終廢棄全生命周期過程的資源消耗與環境影響, 據此進行低環境負荷材料的擇優, 為綠色建筑的科學選材提供理論與數據支撐。

Abstract:

Over 40% society energy consumption is contributed by the construction industry, where the building materials play an important role in the energy saving performance of a building. Research reveals that the energy consuming of air conditioning and heating system has taken 70% of the overall building energy consumption through all its life cycle, mainly due to the thermal transmission of building envelope structure. Therefore, this paper focuses on the exterior heat insulators, windows and wall materials, which are critical to building heat-insulating property, to study their resource consuming and environment impact during the life cycle from mining, production, transportation, utility, until disposal. In the end, the author aims to provide a robust rationale and database to optimize environmental friendly material selection for the green building.