Abstract
This research evaluates the operational heating and cooling energy consumption of cross-laminated timber (CLT) office buildings in China. The evaluations involve a comparison of the energy consumption of a reference RC structure and CLT system office buildings. Computational simulation results are based on IES-VE 2019 and show that the estimated heating energy saving ratio of CLT buildings in Harbin, Beijing, Shanghai, and Kunming to the reference structure are 11.97%, 22.11%, 30.94%, and 23.30% respectively. However, the CLT buildings consume more energy for cooling in the summer. The results of the research show significantly higher heating energy reductions for CLT buildings in the Cold Region and Severe Cold Regions of China. Thus, the application of the CLT system is better suited to northern China than southern China. The results of the research can be used in further assessment of the use of CLT systems in different climatic regions in China.
Highlights
Energy demand has increased significantly across the globe over the last decades and the building industry is a notable contributor to this increased energy consumption [1]
The comparative energy consumption simulation for the RC and cross-laminated timber (CLT) office buildings in the five climate zones are presented in Tables 14 and 15
It shows that CLT as an innovative building material has great potential for reducing heating energy
Summary
Energy demand has increased significantly across the globe over the last decades and the building industry is a notable contributor to this increased energy consumption [1]. Increased energy consumption has led to an increase in the combustion of the fossil fuels, which directly increases Green House Gas (GHG) emissions. These GHG have an impact on climate change and contribute to global warming. When considering this together with the significant increase in energy consumption by the global building industry, GHG emissions from buildings will increase by over 200% from 2013 to 2033 if nothing is done [5]. It is clear that decision-makers must focus on emissions from the building sector in order to meet GHG reduction targets, and this should be the cornerstone of every national climate change strategy [5]
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