Environmental impact assessment of post tensioned and conventional reinforced concrete slab design
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This research determines environmental advantages achievable through application of alternate concrete slab construction methods for a typical concrete office building. The collaborative pilot study has been conducted to compare the significant material reductions on alternate slab systems to improve sustainable design methods. These structures were designed in accordance with all relevant Australian standards, incorporating with various concrete strengths and various geometric parameters such as number of columns, spans with respect to slab thickness. The results indicated that environmental advantages are achievable through the application of alternate concrete slab construction methods for the typical office structure. Analysis results indicated an 18.2 to 37.0 % reduction in concrete volume and 21.0 to 43.6% reduction in steel mass for the post tensioned structure to compare with the conventional reinforced concrete slab. Similar results were observed when comparing reductions in embodied energy 28.1 to 40.9%.
7th The International Structural Engineering & Construction Society
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