Research Focus and Trend Analysis of Underground Space Planning and Design

Comprehensive and scientifically reasonable planning and design of underground space is the premise for its development and utilization, reviewing the research context of underground space planning and design, predicting its development trend, providing reference for sustainable utilization and high-quality development of underground space. Through the visual analysis method of bibliometrics, the literature of underground space planning and design journals from CNKI and Web of Science database was analyzed, the number of papers, subject categories, main research forces and keywords were processed, then the following conclusions were drawn: the development trend of discipline types is diversified and interdisciplinary. The main research countries / regions are China, and the research institutions are Shanghai Municipal Engineering Research Institute (Group) Co., LTD and Tongji University, etc. Keyword emergence analysis indicates that future research trends will focus on: The improvement of underground space comfort and quality; Green and safe underground space design under the Sustainable Development Goals; Comprehensive planning and layout of three-dimensional and intensive underground space; Digital technology assisted underground space planning and design.