Journal of Korean Institute of Architectural Sustainable Environment and Building Systems ISSN:1976-6483(Print) 2586-0666(Online) 한국건축친환경설비학회논문집

While the world has been focusing its efforts on reducing greenhouse gas emissions to address climate change, South Korea has seen the highest increase in per capita CO₂ emissions among OECD countries, necessitating a government-level response. The South Korean government has been implementing various policies to reduce greenhouse gases emitted during the construction and operation phases of buildings. These policies primarily focus on reducing energy usage in buildings and installing renewable energy sources, but research on carbon reduction technologies through resource conservation and recycling is still lacking. Nonetheless, reducing carbon emissions over the course of a building’s life cycle of buildings is becoming increasingly important, and Life Cycle Assessment (LCA) is an indispensable method for this purpose. The LCA uses the quantity of building materials used in construction, and to support this, study was conducted to develop a CAD-based automated quantity extraction model. However, this model has shown an error rate of 5-20%, failing to fully account for manual errors by workers and the complexity of construction sites. To address this issue, further research is needed to develop a more accurate prediction model for the quantity of building materials.