Research on application of smart city construction based on BIM+GIS technology

With the increasing abundance of smart city construction cases, the essence and technical requirements of smart construction need to be continuously iterated and updated in conjunction with the latest information technology. Building Information Modeling (BIM) and Geographic Information System (GIS) technologies, widely applied in the fields of architecture and urban management, can provide more comprehensive data sources for smart city construction and compensate for the shortcomings in macro and micro data collection. This paper first explores the integration of BIM and GIS technologies, and then analyzes the application achievements of this integration from the perspective of smart city construction, using a specific international project as a case study. The findings provide reference for the construction of smart cities and the improvement of urban intelligent management and informatization.