Abstract
In order to improve the efficiency of construction and safety management for tunnel works, BIM (Building Information Modeling) is proposed for application. According to the analysis of the characteristics of railway tunnel works and the actual management demand, BIM-based solutions for construction integrated management are developed, including construction scheduling, visual construction technical clarification, quality control and safety management. The information exchange standard between design and construction has been defined in advance. Information from the design phase about construction components and construction scheduling has been gathered to formulate a 4 dimensional (4D) model. Railway tunnel construction integrated management platform based on BIM is developed independently. During the construction process, actual site data such as process, quality control, safety monitoring and measuring data etc. are continuously collected to add to 4D model. Therefore, the real-time work status of related components can be continuously visualized and compared to the 4D model in the system. Then collaborative management, virtual analysis and risk alarm have been realized. A practical case is also presented to demonstrate the feasibility and validity of the solutions. It is shown that BIM has the potential to improve the construction of tunnel works. The research will benefit tunnel projects which adopt BIM to aid in construction in the future.
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