Development of a BIM-based seismic performance management system for road facility networks

초록

The performance of road facility networks is directly related to the lives of citizens and therefore requires careful management. In particular, disasters such as earthquakes, which can rapidly degrade the performance of an entire road network, must be given significant consideration. This study proposes a seismic performance management system for road facility networks based on building information modeling (BIM). The proposed system integrates geographic information system (GIS), BIM, and structural analysis tools. To this end, the study first introduces the overall framework and the seismic performance assessment methodology. The framework is developed to support the generation, analysis, and updating of network-level BIM. To generate the BIM for a road facility network, an algorithm is developed that automatically generates terrain surfaces and road facility objects by linking GIS data. In addition, a method for extracting and transforming object information from the BIM is established to enable BIM-based numerical modeling and integration with analysis tools. Seismic performance is evaluated by separating structural and functional performance at both the individual and network levels. To demonstrate the feasibility and applicability of the proposed framework, we applied the proposed framework to Gyeongju, an area damaged by seismic events in South Korea, to generate the network BIM and perform seismic simulations. Furthermore, the seismic simulation results are updated in the network BIM for archiving and visualization. The results show that the proposed framework is successfully implemented for the road facility network used in the case study.

키워드