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Din, Asif and Brotas, Luisa (2017) The impact of building height and construction on life cycle analysis calculations. In: PLEA 2017 Conference: Design to thrive, 2-5 July 2017, Edinburgh (UK).
There is no fixed method to analyse the carbon impact of a building. The most comprehensive guidance given in BS:EN 15978 (BSi, 2011) but provides a poor understanding for designers on how building components make up the Green House Gas impact of buildings. This study quantifies different construction materials within a building showing their significance at differing Life Cycle stages in relation to the design lifespan. The study is conducted through 3 and 6 storey timber, steel, concrete buildings covering differing foundation typologies. An existing software package ATHENA and an elemental bottom up approach is used to compare relative impacts. Apartment floor areas used in UK regulations create large variations in the assessment of Life Cycle impacts which do not include communal areas which requires a whole building approach. There are not large variances in the overall Life Cycle between differing construction types with
concrete reducing replacement factors, steel with high recyclability potential in later Life Cycle stages and timber sequestering carbon in early stages of the building Life Cycle. Elementally foundations, upper floors and facade materials have the most influence and should be considered carefully at an early design stage.
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