Abstract
The transition from Building Information Modelling (BIM) to Heritage Building Information Modelling (H-BIM) is intended to pursue an adequate knowledge of the artefact that is to be preserved, progressively replacing the traditional methods of restoration and structural reinforcement projects with new tools for the management of both existing information and new interventions. The aim of the paper is to show the application of the H-BIM method to a stone pavement road located in the Archaeological Site of Pompeii. In detail, starting from a laser scanner-based survey, juxtaposed with coordinated points georeferenced through a total station, point clouds were handled by means of several BIM-based tools to perform the road design process, starting from the digital elevation model (DEM) and proceeding to the corridor representation. Subsequently, a visual programming application based on Python language was adopted to update the corridor information by means of the object property set. As preliminary results, a tool, complete with graphical and non-graphical information, is proposed to be used in conservation, maintenance and restoration projects.
Highlights
Digitization and computerized processes are an effective answer to cost reduction and production time issues, and Building Information Modelling (BIM), defined as “a process involving the generation and management of digital representation of the physical and functional characteristics of a facility” [1], represents the best-fitting result of the continuous search for new methods and approaches to increase process efficiency in the Architecture, Engineering and Construction (AEC) industry
Remote sensing technologies—such as Terrestrial Laser Scanning (TLS) [9], Unmanned Aerial Vehicle (UAV) photogrammetry [10], Mobile Terrestrial LiDAR Scanning (MTLS) [11] and Structure from Motion (SfM) [12]—are a fundamental part of the process itself, as they allow for the smart geometric surveying of historical sites
Recap Pro was subsequently used to operate the segmentation of the original point cloud (Figure 8b), and for reasons of interoperability with the other software used in the following phases of the workflow
Summary
Digitization and computerized processes are an effective answer to cost reduction and production time issues, and BIM, defined as “a process involving the generation and management of digital representation of the physical and functional characteristics of a facility” [1], represents the best-fitting result of the continuous search for new methods and approaches to increase process efficiency in the Architecture, Engineering and Construction (AEC) industry. In the case of buildings with historical or cultural value, this approach is known as H-BIM, defined as “a new way of modeling the existing structures, generating intelligent models that can contain and manage information, and concern all components of the project, including their geometric and identification information described in detail” [7]. Remote sensing technologies—such as Terrestrial Laser Scanning (TLS) [9], Unmanned Aerial Vehicle (UAV) photogrammetry [10], Mobile Terrestrial LiDAR Scanning (MTLS) [11] and Structure from Motion (SfM) [12]—are a fundamental part of the process itself, as they allow for the smart geometric surveying of historical sites. SfM photogrammetry employs overlapping images acquired from multiple viewpoints It is a low-cost technique which can be carried out with cameras within the reach of everyone, including smartphones [12]. UAV represents perhaps the most elaborate technique, involving vehicles that move by remote control, such as aerial drones [10]
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