Integrating Building Information Modeling (BIM) with Structural Health Monitoring (SHM) is an increasingly common approach in advanced structural monitoring. Here are some real-world case studies where this combination has made a difference.
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Stura Bridge in Turin
In the Stura Bridge project in Turin, Italy, an integrated BIM-SHM system was used to automate structural monitoring. This project involved:
- Model Creation: A BIM model of the bridge was created in Revit and then exported to Robot for structural analysis.
- Sensor Placement: Sensors were automatically positioned using Dynamo scripts based on monitoring needs.
- Data Management: The results were organized in Excel, creating a digital twin of the bridge that acts as a “black box” for its structural health.
This continuous monitoring system reduced maintenance costs while increasing safety for the bridge.
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Azzone Visconti Bridge in Lecco
Another compelling case is the Azzone Visconti Bridge in Lecco, Italy. Here a historic BIM (H-BIM) model was combined with SHM data to track vertical movement during load tests. This integration allowed for:
- Data Visualization: Monitoring data was directly linked to the 3D model, creating an intuitive visual interface.
- Multi-Temporal Analysis: Historical data was archived in the model, making it easier to compare past and present conditions.
This solution, infact, improved long-term monitoring, making it ideal for historic structures.
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Monserrate Palace in Sintra
The Monserrate Palace in Sintra, Portugal, implemented a low-cost sensor-based BIM system to acquire real-time data. Key features of this project included:
- Real-Time Data Acquisition: Sensors monitored vibrations during regular activities and extraordinary events.
- BIM Integration: Data was stored in an H-BIM model, enabling continuous assessment of the palace’s structural health.
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Laboratory Beam Model Study
Finally, a laboratory study monitored a beam model using low-cost sensors connected to its digital twin. This setup enabled:
Remote Monitoring: Real-time data on structural behavior was visualized within the BIM model.
Cost-Effective Solutions: Demonstrating that low-cost sensors are viable for structural monitoring applications.
Conclusion
These case studies showcase the effectiveness of BIM-SHM integration for structural management. Applied to both new and historic structures, this technology offers unparalleled opportunities to improve safety and streamline maintenance processes
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