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Energy Saving and Carbon Reduction in the Operation Stage of Cross Laminated Timber Residential Buildings in China

https://research.thinkwood.com/en/permalink/catalogue1208
Year of Publication
2017
Topic
Energy Performance
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Guo, Haibo
Liu, Ying
Chang, Wen-Shao
Shao, Yu
Sun, Cheng
Publisher
MDPI
Year of Publication
2017
Country of Publication
Switzerland
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Energy Performance
Keywords
Energy Consumption
Carbon Emissions
Reinforced Concrete
China
Climate Zones
Simulation
Language
English
Research Status
Complete
Series
Sustainability
ISSN
2071-1050
Summary
This paper focused on energy consumption and carbon emission for heating and cooling during a building’s operation stage, and examined the energy effects of using Cross Laminated Timber (CLT) as an alternative building material to reinforced concrete (RC) in China’s 31 key cities located in different climate zones. The authors designed two seven-story residential buildings, which were constructed with RC framed and CLT systems, separately. This was followed by simulating the energy consumption using commercialized software IESTM under the different climate zones and calculating the carbon emissions. Comparisons were made between RC and CLT systems buildings on the basis of simulation data. The results show that the estimated energy consumption and carbon emission in CLT buildings are much lower than that of RC buildings in all studied cities, which indicates that CLT systems have good potential in reducing carbon emission and saving energy consumption compared to RC. The energy consumptions and carbon emissions in both concrete and CLT buildings are closely related to the climate zones. Buildings in Severe Cold and Cold Regions consumed the most energy and released more carbon. At the national level, the estimated energy consumption at the operation stage, in the studied building with RC frames and CLT system was approximately 465.1 MJ/m2 and 332.6 MJ/m2 per annum, respectively. Despite vast differences in China’s climate zones, the effects of energy saving and carbon reduction potentials of CLT buildings show little relationship to the climate zone. CLT buildings may result in a weighted 29.4% energy saving, which equals 24.6% carbon reductions, compared with RC buildings at the operation stage at national level, although it may vary in different climate zones.
Online Access
Free
Resource Link
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Hygrothermal Analysis of Timber-Based External Walls Across Different Australian Climate Zones

https://research.thinkwood.com/en/permalink/catalogue2071
Year of Publication
2018
Topic
Moisture
Material
CLT (Cross-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Walls