The Trade-Off Between Economic and Environmental Impacts of Residential Buildings in Early Design Stages

Yijun Zhou, Vivian W. Y. Tam () and Khoa N. Le
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Yijun Zhou: Western Sydney University
Vivian W. Y. Tam: Western Sydney University
Khoa N. Le: Western Sydney University

Chapter Chapter 4 in Proceedings of the 28th International Symposium on Advancement of Construction Management and Real Estate, 2024, pp 53-66 from Springer

Abstract: Abstract The economic and environmental performance of buildings largely depend on the design stage. Design choices with a unilateral focus on the reduction in environmental impacts for developing low-carbon and energy efficient building practice may increase the cost of the building, as there is a trade-off problem between economic and environmental performance of a building. To address this issue, this research proposed a framework for making appropriate design decisions by solving the trade-off problem between economic and environmental performance of buildings in their early design stage. This framework combined a BIM and LCA integration approach with a machine learning-based optimization method. The developed framework was validated by a mid-rise residential building in China, which showed the potential to simultaneously reduce the cost and carbon emissions of the building by identifying the optimal design solutions that balance the trade-offs between economic and environmental impacts. The results revealed that for a mid-rise residential building in hot summer and cold winter climate zone in China, small increases in economic cost (102.57 Yuan/m2) could result in a reduction in carbon emissions by 2387.02 kg CO2eq/m2 in early building design practice. The framework proposed in this research provides insights in the optimization of economic and environmental performance of a building.

Keywords: Life cycle analysis; Building design; Cost; Environmental impacts (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/978-981-97-1949-5_4

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