Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Reality Capture of Buildings Using 3D Laser Scanners

Version 1 : Received: 18 January 2021 / Approved: 18 January 2021 / Online: 18 January 2021 (12:23:24 CET)

A peer-reviewed article of this Preprint also exists.

Almukhtar, A.; Saeed, Z.O.; Abanda, H.; Tah, J.H. Reality Capture of Buildings Using 3D Laser Scanners. CivilEng 2021, 2, 214-235. Almukhtar, A.; Saeed, Z.O.; Abanda, H.; Tah, J.H. Reality Capture of Buildings Using 3D Laser Scanners. CivilEng 2021, 2, 214-235.

Journal reference: CivilEng 2021, 2, 12
DOI: 10.3390/civileng2010012

Abstract

The urgent need to improve performance in the construction industry has led to the adoption of many innovative technologies. 3D laser scanners are amongst the leading technologies being used to capture and process assets or construction project data for use in various applications. Due to its nascent nature, many questions are still unanswered about 3D laser scanning, which in turn contribute to the slow adaptation of the technology. Some of these include the role of 3D laser scanners in capturing and processing raw construction project data. How accurate is the 3D laser scanner or point cloud data? How does laser scanning fit with other wider emerging technologies such as Building Information Modelling (BIM)? This study adopts a proof-of-concept approach, which in addition to answering the afore-mentioned questions, illustrates the application of the technology in practice. The study finds that the quality of the data, commonly referred to as point cloud data is still a major issue as it depends on the distance between the target object and 3D laser scanner’s station. Additionally, the quality of the data is still very dependent on data file sizes and the computational power of the processing machine. Lastly, the connection between laser scanning and BIM approaches is still weak as what can be done with a point cloud data model in a BIM environment is still very limited. The aforementioned findings reinforce existing views on the use of 3D laser scanners in capturing and processing construction project data.

Subject Areas

3D Laser Scanners 1; Point-cloud Data 2; Reality Capture; BIM; Refurbishment

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