Abstract
Abstract. Informative models are not limited only to new construction or existing building but can also be used (also been used) for large infrastructure management like bridges. The adoption of informative content models for structural health monitoring (SHM) of such infrastructures poses some issues that need to be solved in order to develop smooth management and maintenance workflows. This paper describes a novel methodology for the generation of a detailed BIM of a complex medieval bridge and the possibility to link specific data coming from load testing. Integration of information coming from different data sources is one of the most important aspects for the development of maintenance programs. However, each actor in the process makes use of different strategies and protocols whose integration can generate bottlenecks. To partially overcome this limitation a cloud-based solution was used, and a Building Information Model (BIM) of the bridge was used as main collector of information for the different stakeholders involved in its management.
Highlights
Large scale infrastructures, and in particular bridges and viaducts, are critical assets since most of them have been built during the last century and in particular after the ‘50s (Scheer, 2011)
Since different expertise are involved in the load testing phase the availability of a unique repository to collect data is of primary importance to provide a single point of access for the different professionals involved
The main advantage of this system was to achieve a holistic approach based on a detailed scan-to-Building Information Modelling (BIM) model with a shared logic, favouring the reading of different type of data for non-experts BIM users.The growing need to share a large amount of information, in turn, characterised by different digital formats, required the development of a digital repository able to connect all the experts involved in the process.The experience accumulated in the BIM generation and model sharing has allowed the setting of further steps for the creation of a digital hub where all the professionals could upload and share their work, results and analysis
Summary
In particular bridges and viaducts, are critical assets since most of them have been built during the last century and in particular after the ‘50s (Scheer, 2011). Since different expertise (e.g., operators devoted to displacements/strains measurements, structural engineers that have to evaluate the testing results, own of the infrastructures that have to face strengthening works etc.) are involved in the load testing phase the availability of a unique repository to collect data is of primary importance to provide a single point of access for the different professionals involved. This is only a part of the solution, it is clear the importance of tools enabling the development of a holistic approach for monitoring, control, upgrade and maintenance. The last section presents some conclusions and defines future works
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