Integrating 3D laser scanning and photogrammetry for progress measurement of construction work |
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| Affiliation: | 1. Institute of Construction Management, School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan, 1037 Luoyu Road Wuhan. P.R. China;2. School of Civil and Mechanical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, Australia;1. Georgia Institute of Technology, USA;2. RAPIDS Construction Safety and Technology Laboratory, Germany;1. Computational Science and Engineering, School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr. N.W., Atlanta, GA 30332-0355, United States;2. School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr. N.W., Atlanta, GA 30332-0355, United States;1. School of Civil and Environmental Engineering, Georgia Institute of Technology, Mason Building 3136, 790 Atlantic Dr., Atlanta, GA 30332-0355, USA;2. School of Civil and Environmental Engineering, Georgia Institute of Technology, Mason Building 4140B, 790 Atlantic Dr., Atlanta, GA 30332-0355, USA |
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| Abstract: | Progress reporting is an essential management function for successful delivery of construction projects. It relies on tangible data collected from construction job sites, which is then used to compare actual work performed to that planned. One method used to collect actual work data is 3D laser scanning, where the construction site is scanned at different times to generate data, which can then be used to estimate the quantities of work performed within the time interval considered between two successive scans. Photogrammetry is another method for data collection where the geometrical properties of an object on site are generated from its photo image. This paper presents a method, which integrates 3D scanning and photogrammetry in an effort to enhance the speed and accuracy of data collection from construction sites to support progress measurement and project control. The application of the proposed method is demonstrated using a building presently under construction. |
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