Ciccone, Angelo (2023) OpenBIM applications in structural engineering. [Tesi di dottorato]

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Abstract

BIM is currently the methodology of reference for the digitization of the construction industry. In recent years, BIM methodologies have been adopted and applied around the world. New BIM-based workflows involve the adoption of new tools and collaborative platforms throughout the lifecycle of an asset such as a road, railway as well as a strategic facility (e.g. bridges). The open BIM approach in particular, given open data exchanges and workflows, assures significant benefits (e.g. collaboration among all professionals involved, reduction in fragmented workflows, promoting quality of outcomes, supporting decision-making processes, etc.) for the advancement of the AECO sector. This thesis, organized in five chapters, focuses on the implementation of BIM methodologies and the adoption of the open BIM approach envisaged for structural engineering. After an Introduction section, Chapter 2 deals with the definition of a new proposal for the management of processes related to the seismic authorization procedure, within the structural design phase, where (through the adoption of the IDM/MVD approach) an MVD was defined for the production of an IFC model tailored to the purpose of seismic-authorisation permitting. New BIM processes were proposed and implemented in a case study, where IFC models represented the central core of a new delivery (i.e. via ICDD) to building authorities. Chapters 3 and 4, meanwhile, address the topic of the management of existing structures where information related not only to structural safety but also to control, maintenance, and asset management processes is managed, exchanged, and stored. In particular, Chapter 3 deals with the digitization of existing infrastructure (e.g. an existing railway line in operation) with its civil works (including bridges), and deals with a series of topics including existing conditions modeling, maintenance information management, and asset management. Following some of these topics, Chapter 4 proposes the development of a specific framework to support BIM modeling and information management activities related to the structural management of existing bridges, within the regulatory context in force in Italy. The final conclusions are addressed in Chapter 5. All these applications have thus proved how BIM, and in particular open BIM, can lead to a significant contribution to the digitization, re-conceptualization, and improvement of current processes for authorities, managing bodies, and structural engineers.

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