Point-Cloud-Based Comparison between Construction Schedule and As-Built Progress: Long-Range Three-Dimensional Laser Scanner’s Approach
Publication: Journal of Architectural Engineering
Volume 10, Issue 3
Abstract
This research compares the work process at a construction site with the original construction schedule using point-cloud records that were retrieved using a long-range 3D laser scanner. The comparison was used to quantify the differences as a reference for the verification and modification of the original building design. This study compared 4D computer models with 3D clouds of a campus building. The differences could easily be identified from the perspectives and elevations of different views. To determine the degree of progress more precisely, a slice of clouds was defined to show the differences when compared with a cross section of a computer model. The format of the point cloud provided a new way to inspect construction progress.
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Information & Authors
Information
Published In
Journal of Architectural Engineering
Volume 10 • Issue 3 • September 2004
Pages: 98 - 102
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Oct 22, 2003
Accepted: Mar 30, 2004
Published online: Aug 16, 2004
Published in print: Sep 2004
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