This research, which is based on the digital technologies building information modeling (BIM) and artificial intelligence, describes achievements in the field of detecting, assessing, and digitalising damage in existing buildings. The purpose of the study is to highlight the potential and current benefits of combining structural‐assessment methods with the automatic digitisation of hazard‐induced damage in affected buildings. To this end, the aforementioned technologies are employed in the form of an image‐based recognition‐BIM classification technique applied to on‐site visual‐damage data. By extending the methodology to existing masonry and concrete buildings, the results obtained open up new opportunities for speeding up the process of assessing, designing, and managing seismic repair/retrofit interventions using image data acquired in the manner described.
The problem of managing existing structures before and after seismic events has led to the development of many different strategies across the globe. These aim to mitigate the catastrophic effects of earthquakes on the occupants of a building, as well as improve the management of the emergency that inevitably ensues. This paper explores the use of an openBIM approach to resolve the issues referred to above, which is possible because of two new standards: Industry Foundation Classes and Information Delivery Manuals. A review of the most popular strategies adopted in both the pre- and post-earthquake phases is conducted using a process map. This organizes the relevant steps and processes into tasks, and additionally identifies the points at which information is produced and exchanged and the party responsible for doing so. Also described is how BIM models can be utilized in essential pre- and post-earthquake activities, as well as current benefits and ongoing developments intended to improve the processes themselves.
Abstract. The paper presents the results of an experimental research activity aimed to individuate digital tools for an intelligent mapping of structural and material decay of historical buildings.The activities carried out are part of the context of Scan-to-BIM processes, as they establish a workflow that, starting from 3D survey data, leads to an information model enriched by information related to the conservation state of surfaces and to the structural characteristics of the real building. The experimentation has been performed with the support of a software house, looking forward to turning this workflow into an actual implementation on a BIM software. In this regard, this research becomes part of the context of the studies concerned in the digital management processes of the historical built heritage, setting and testing specific parametrical objects that add to H-BIM models the possibility of documenting and sharing graphical, numerical and descriptive data of decay phenomena and, through integrative information sheets, damage phenomena.
With the introduction of the BIM methodology, the digitalization is consolidating mostly the process of new building design defining new standardized working procedures in order to optimize the data flow. On the contrary, pertaining to existing buildings, the rules are still dictated by the traditional methodology leading to fragmented and disaggregated information flow. However, some tools have been recently developed and are quickly upgrading to meet the specific aim to pursue progress, dynamism and experimentation in order to stay in tune with market demands. One common issue, is due to the fact that the documents are paper, hard to find and numerous so that the digitalization represents the best real solution to improve their management.In this regard, the heart of the informative flow is represented by the Common Data Environment (CDE), a cloud storage in which the documents are collected once uploaded and easily manageable with specific platforms. By way of example, a case study is developed in the paper in which the management process of the H-BIM of the XV century's structure placed in the old town of Naples is carried out in a digital way, through the usBIM.platform (released by ACCA software company) using specific tools, like links, markers and tags. The goal of the paper is to define both a new organization for the data archive, in which the documents are structured and easily traceable, both a new way of conceiving the BIM model that it is thought as an informative vehicle and a key access to the information rather than a mere geometric representation.
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