Abstract

Remote sensing of elevated infrastructure via robotic platforms has recently gained increasing interest in bridge inspection. Such automated bridge inspection can not only overcome accessibility and safety challenges but also improve objectivity and consistency of the measured data compared to current visual inspection practices. With the advent of advanced technologies, quality assurance (QA) and quality control (QC) for robot-based bridge inspection become imperative. This study aims (1) to understand actionable inspection activities and procedures in route planning, sensor preparation and measurement, ground truth selection, and statistical analysis; (2) to outline assessment matrices and best practices for drone-based images to achieve a practical level of surface mapping accuracy and internal defect detection; and (3) to perform two case studies using drones, photogrammetry software, and ground control toward three-dimensional (3D) reconstruction of bridges and horizontal hyperspectral imaging. The proposed guidelines review the basic principles of remote sensing, non-contact inspection based on visual, thermal, and hyperspectral imaging, calibration procedure and criteria of cameras and Light Detection and Ranging (LiDAR) scanners, and field demonstration of emerging technologies for crack, corrosion, delamination, and spalling detection in bridge elements.

Department(s)

Civil, Architectural and Environmental Engineering

Research Center/Lab(s)

INSPIRE - University Transportation Center

Sponsor(s)

Office of the Assistant Secretary for Research and Technology U.S. Department of Transportation 1200 New Jersey Avenue, SE Washington, DC 20590

Comments

Principal Investigator: Genda Chen, Ph. D., P. E.

Grant #: USDOT # 69A3551747126

Grant Period: 11/30/2016 - 09/30/2024

Project Period: 07/001/2022 - 09/30/2024

This investigation was conducted under the auspices of the INSPIRE University Transportation Center.

Keywords and Phrases

Remote sensing, drones, crawlers, quality assurance, quality control, elevated infrastructure

Report Number

INSPIRE-025

Document Type

Technical Report

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2025 Missouri University of Science and Technology, All rights reserved.

Publication Date

November 30, 2024

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