Abstract
The lifespan of construction projects entails significant consumption of resources, energy, and space. Due to sustainability awareness throughout all stages of construction projects, Life Cycle Assessment (LCA) is one of the tools used for examining the impacts of a product or process at all stages of the product or process's life cycle, including conception, production, use, and disposal. In order to gain a deeper understanding of the choice of design and construction materials, a case study was conducted for a shopping mall. It included a comparison of the environmental impacts of utilizing the LCA approach throughout their lifespan for two structural engineering designs: concrete and steel. The life-cycle environmental impacts of the structures are evaluated throughout their life cycle using SimaPro software and the midpoint technique of the ReCiPe method. Based on the results, it was concluded that the concrete structure design had a greater negative environmental impact over the course of its life cycle than the steel structure design. As a result, the study emphasizes the significant environmental effects of building material choices as well as the value of life cycle assessment in selecting between various design options prior to the construction phase.
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