The State of the Art of Bridge Information Modelling from Conceptual Design through to Operation

The State of the Art of Bridge Information Modelling from Conceptual Design through to Operation

Aonghus O'Keeffe (Roughan & O'Donovan Consulting Engineers, Dublin, Ireland)
Copyright: © 2014 |Pages: 11
DOI: 10.4018/ij3dim.2014010103


Bridge engineering involves many discrete stages throughout the life cycle of a bridge, within both the delivery phase of the infrastructure project and the subsequent operation and maintenance of the asset. Each stage comprises multiple complex processes by large project teams and relies on the efficient exchange of information throughout. Bridge information modelling is a form of 3-dimensional product modelling and involves many of the same processes used in building information modelling. It presents the opportunity for improvements in information flow throughout a bridge life cycle. Significant developments have been seen in the area of bridge information modelling over the last decade. By identifying a number of case studies, this paper reviews how bridge information modelling is being used on current international bridge projects from conceptual design, through preliminary and detailed design, to construction, operation, assessment and maintenance. A literature review is performed on recent relevant academic studies in the areas of bridge engineering, site surveying, building information modelling, and information exchange.
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Preliminary And Detailed Design

Significant benefits to designers are available through the use of BrIM at preliminary and detailed design stage. Where a model is correctly compiled, objects are parametrically linked. For example, reinforcement will change in geometry and location when a column is increased in diameter. Drawings and schedules are dynamically linked to the model, thus ensuring consistency of information, swift implementation of design changes, and accurate quantity take-off.

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