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Title: Synthesis of Unmanned Aerial Vehicle Applications for Infrastructures

Source: Journal of Performance of Constructed Facilities. 32(4): 1-10.

Author(s)Duque, Luis ; Seo, Junwon ; Wacker, James

Publication Year: 2018  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4714-3B

Abstract: This paper is intended to provide the state-of-the-art and of-the-practice on visual inspection, monitoring, and analysis of infra-structure using unmanned aerial vehicles (UAVs). Several researchers have inspected various civil infrastructures, including bridges, build-ings, and other structures, by capturing close-up images or recording videos, while operating UAVs. Various image analysis tools, such as the algorithm Morphological Link for Crack (Morpholink-C), were able to conduct precise measurements of crack thickness and length. Corrosion has also been detected using texture and color algorithms to investigate UAV-based images. Other analysis methods include struc-turally integrated sensors, such as digital image correlation equipment, which have helped to capture structural behaviors using UAVs. After the literature review was completed, a nationwide survey was distributed to Departments of Transportation (DOTs) to evaluate the current UAV-enabled inspection techniques that different DOTs have used or are planning to use for visual damage assessment for critical trans-portation infrastructures, especially bridges. Furthermore, a pertinent UAV selection was completed to indicate suitable UAVs for bridge inspection. Primary findings have shown that UAV-enabled infrastructure inspection techniques have been successfully developed to detect a broad variety of damage (including cracks and corrosions), and a few DOTs have used UAVs to inspect bridges as a more economical and versatile tool.

Keywords: Unmanned aerial vehicle (UAV); infrastructure; image; damage; measurement; inspection; assessment

Publication Review Process: Formally Refereed

File size: 784 kb(s)

Date posted: 03/01/2019

This publication is also viewable on Treesearch:  view
RITS Product ID: 93685
Current FPL Scientist associated with this product
Wacker, James P.
Research General Engineer

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