기존 건축물 하부 지하공간개발에 관한 고찰

Underground space still has a great potential of being developed, contrary to scarce space above ground of urban area due to high densities of population and buildings. Constructing of additional basements below existing buildings, namely deepening existing buildings is one way to utilize underground space, and also provide additional and sustainable space for the buildings. In this paper, the considerations for deepening existing buildings were presented in both structural and architectural planning aspects based on case studies of deepening existing buildings.