CIVIL ENGINEERING 365 ALL ABOUT CIVIL ENGINEERING


The second presentation on the use of laser scans and drones will describe a method of laser scanning a concrete surface to characterize the waviness of that surface and provide feedback to owners and concrete finishers. The comparative analysis of the various methods of measuring waviness in concrete slabs reveals that the 2-Dimensional (2D) Continuous Wavelet Transform (CWT) provides results that strongly correlate with those of the Waviness Index method (the current state of the art), but has numerous advantages over it and other existing methods. The next step in this study is to use this method in conjunction with augmented reality (AR) devices to enable the visualization of undulations corresponding to various characteristic periods on site. AR technology would provide visual information (3D laser scan data + ideal flat concrete surface) on surface waviness for comparison, which would enable timely decision making, and ultimately reduce project delays and extra costs associated with demolition and reconstruction.

Details

TitleUse of Laser Scans and Drones to Measure Concrete Floor Waviness – Flatness Automatically
Duration32 Mins
LanguageEnglish
FormatMP4
Size 62 MB
Download MethodDirect Download  
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