An Application Oriented Scan-to-BIM Framework

Abstract

Building information modelling (BIM) has been adopted in the construction industry. The success of BIM implementation relies on the accurate building information stored in BIM models. However, building information in BIM models can be inaccurate, out-of-date, or missing in real-world projects. 3D laser scanning has been leveraged to capture the accurate as-is conditions of buildings and create as-is BIM models of buildings; this is known as the scan-to-BIM process. Although industry practitioners and researchers have implemented and studied the scan-to-BIM process, there is no framework that systematically defines and discusses the key steps and considerations in the process. This study proposes an application-oriented framework for scan-to-BIM, which describes the four major steps of a scan-to-BIM process and their relationships. The framework is oriented towards the specific BIM application to be implemented using the created as-is BIM, and includes four steps: (1) identification of information requirements, (2) determination of required scan data quality, (3) scan data acquisition, and (4) as-is BIM reconstruction. Two illustrative examples are provided to demonstrate the feasibility of the proposed scan-to-BIM framework. Furthermore, future research directions within the scan-to-BIM framework are suggested.

Scan-to-Bim Methodology Adapted for Different Application

“…There are numbers of such classification systems, for example: MasterFormat, UniFormat, Uniclass, etc. (Volk et al, 2014;Antón et al, 2018;Wang et al, 2019). We decide to use OmniClass classification system because it is incorporated inside a number of 3D BIM authoring software e.g.…”

Bim for Museums: An Integrated Approach From the Building to the Collections

“…to an existing 2D CAD drawing (CAD-to-BIM) or to construct simplified parametric geometries (Capone et al, 2019). When point clouds from a survey performed with geomatic techniques are available, whose use is not natively included among the modelling tools of the BIM software, different workflows (Scan-to-BIM) have been proposed for attempting to extract automatically or semi-automatically the desired features (Wang et al, 2019), in particular for modelling the irregular geometry of historical buildings. Many BIM software can display point clouds for visual reference (Macher et al, 2017), other workflows involve the importation of mesh (Yang et al 2018) or NURBS geometries (Brumana et al, 2018 andKorumaz et al 2017) generated in other software.…”

An Integrated Computational Approach for Heritage Monumental Museums

“…to an existing 2D CAD drawing (CAD-to-BIM) or to construct simplified parametric geometries ( [7]). When point clouds from a survey performed with geomatic techniques are available, whose use is not natively included among the modelling tools of the BIM software, different workflows (Scan-to-BIM) have been proposed for extracting automatically or semi-automatically the desired features ( [8]), in particular for modelling the irregular geometry of historical buildings. Many BIM softwares can display point cloud data for visual reference, other workflows involve the importation of mesh ( [9]) or NURBS geometries generated in other software ( [10], [11]).…”