External wall structure of green rural houses in Daqing,China, based on life cycle and ecological footprint theories |
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Authors: | Hong Jinn Wei Ling |
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Affiliation: | School of Architecture, Harbin Institute of Technology, Harbin 150006, China |
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Abstract: | Daqing is situated in one of the severely cold regions of China. The living environment in this region is extremely poor because of the harsh climate and the backward economy. The external wall is an important component of the external envelope of buildings, and it greatly contributes to the indoor thermal environment. By taking the external wall as the research object, this study summarizes the characteristics of the external wall structure and analyzes the common materials used in existing rural residences. Specifically, we combine life cycle theory and ecological footprint (EF) theory and introduce the green external wall structure, as well as its application in practice, in accordance with the local ecosystem. Results show that anecological residence offers a better environment and greater economic benefits than a traditional residence. The annual energy consumption, CO2 consumption, and EF of the ecological residence in this study are lower than those of the traditional residence by 69.61%, 17.5 t, and 99.47%, respectively. |
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Keywords: | Life cycle assessment Ecological footprint Green rural house External wall |
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