How do Australian apartments perform against international standards to prevent overheating risks?
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2020
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Melbourne Authors
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Office for Environmental Programs
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Masters Coursework thesis
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© 2020 Sisi He
Abstract
With the challenge of global warming, high-rise residential buildings are continuously showing an overheating trend. Due to the lack of consideration for building overheating issues in National Construction Code (NCC), many high-performance and low-energy buildings cannot meet international overheating criteria. Thus, this report mainly discuss the overheating performance of high-rise residential buildings that have met the National Construction Code (NCC) requirements in Australia under extreme weather condition from the building facade perspective. In addition, international overheating criteria (CIBSE overheating standard) will be adopted as a judging criteria. In the research process, the latest dynamic simulation software (IESVE) will be used to construct a detailed 3D model to represent the performance of the proposed building in a virtual environment. The results show that the requirements of building facade in NCC 2019 are far from meeting international overheating criteria. On this basis, this report proposes four modified methods for building facade including improving glazing insulation, adjusting glazing area, changing building orientation and adopting shading devices. Furthermore, the international overheating criteria has been modified to adapt to Australian condition. At last, the impacts of future climate change on the development of Australian standard have been discussed.
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building facade, high-rise residential buildings, building overheating, international overheating criteria, National Construction Code (NCC)