![]() ![]() Tunnel Blast Design Software Download Citation Copy.The results indicate that the framework facilitates data sharing, information integration, data accessibility, design optimization, project communication, efficient project management, and visualization of tunnel design and construction processes. To validate the proposed framework, an implementation case study of a hydropower tunneling project is presented. Data models of tunnel construction processes are linked to propose the Industry Foundation Classes (IFC)-Tunnel classes based on the objects, relationships, and property set definitions of the IFC schema. To address that gap, a novel BIM-based multimodel tunnel information modeling (TIM) framework is presented here to improve project management, construction, and delivery by integrating five interlinked data models and project performance data for drill-and-blast tunnel construction. Tunnel boring machine (TBM) projects have successfully applied linked data models and multimodel concepts in BIM, but those technologies have yet to be adopted in drill-and-blast tunneling. Existing research has considered a very general BIM semantic model and focused only a small portion of the entire drill-and-blast construction process. Building information modeling (BIM) in the construction industry provides a solution to such issues with effective data information modeling. In this context, tunnel construction exhibits uncertainties and risks due to unforeseen circumstances, intricate design, and ineffective information management. The tunneling industry still uses traditional project management techniques to manage complex interactions between these data sources that are hardly linked, and independent decisions are often made without considering all the relevant aspects. However, it is complex and challenging because a large amount of data is generated from dispersed, independent, and heterogeneous sources. Drill-and-blast is one of the most common and flexible tunnel construction methods. Tunnel construction fundamentally differs from building and aboveground civil infrastructure projects. ![]()
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