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Civil-Comp Conferences
ISSN 2753-3239 CCC: 7
PROCEEDINGS OF THE SIXTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo
Paper 15.6
Expanding BIM Use in Assessing Fatigue Evolution of Steel Railway Bridges I.A. Nhamage1, C.S. Horas1, N.S. Dang2, J.A. Campos E Matos2, J. Poças Martins3 and R. Calçada1
1CONSTRUCT-LESE, Faculty of Engineering, University of Porto, Porto, Portugal
I.A. Nhamage, C.S. Horas, N.S. Dang, J.A. Campos E Matos, J. Poças Martins, R. Calçada, "Expanding BIM Use in Assessing Fatigue Evolution of Steel Railway Bridges", in J. Pombo, (Editor), "Proceedings of the Sixth International Conference on
Railway Technology: Research, Development and Maintenance",
Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 7, Paper 15.6, 2024, doi:10.4203/ccc.7.15.6
Keywords: BIM uses, fatigue damage, Digital Twin, steel railway bridges, openBIM, IFC standard.
Abstract
In recent years, there has been a rising demand to integrate digital technology into Transportation Infrastructure Management and Maintenance procedures, as the success of any industry today is inseparable from the current digital technological environment. In response to this demand, there is an increasing trend to expand the scope of application of Building Information Modeling (BIM), which is traditionally used for building projects, redirecting its uses to areas such as bridge management and maintenance. One of the subcategories within the spectrum of BIM Uses is asset monitoring during its operational phase. This work uses this basis to develop an experimental model that combines a Fatigue Analysis System and a BIM model of the bridge, to form a Digital Twin. The Digital Twin can characterise the evolution of fatigue damage at any bridge connection detail at any time. The Fatigue Analysis System comprises the Linear Accumulation Damage Method for determining fatigue damage and a finite element model, implemented in commercial software. The BIM model is developed from open-source resources, allowing greater flexibility in BIM object manipulation. The database, encompassing load and geometry conditions, updates continually the global model for fatigue damage assessment, and it shows promise for bridge lifecycle management.
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