Investigation of Noncontact Optical Image-based Methods for Monitoring of Static and Dynamic Deformation of Transport Infrastructures

DOI

10.2991/978-94-6463-564-5_13How to use a DOI?

Keywords

static and dynamic deformation; measurement; bridge; optical method

Abstract

Deformation properties including displacement is a key factor for determining accurate behavior of transport infrastructures. In this paper, two noncontact methods named 2D and 3D optical measurement methods were developed and tested to measure deformation properties of structures under static and dynamic loading conditions. More advanced cameras including industrial cameras and high-speed cameras were used to improve the efficiency and accuracy of measurement procedure and reduce the processing time. An experimental plan including two experiments considering four different scenarios was designed to provide reliable experimental data, evaluate, and compare the accuracy and efficiency of the proposed optical measurement methods with different configurations. The obtained results approved the reliability and accuracy of all scenarios for deformation measurement of structures. Comparing the results showed that 3D optical image-based method (NRMSE = 4.58) is of more accuracy and capabilities than 2D optical image-based method (NRMSE = 8.47) for both static and dynamic deformation. In addition, the usage of 3D angular camera configuration led to less computational processing and subsequently measurement procedure is accomplished in a more time-saving manner.

Copyright

© 2024 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Zhijun Wang
AU  - Weijian Li
AU  - Mingliang Zhao
PY  - 2024
DA  - 2024/10/31
TI  - Investigation of Noncontact Optical Image-based Methods for Monitoring of Static and Dynamic Deformation of Transport Infrastructures
BT  - Proceedings of the 2024 International Conference on Civil Engineering Structures and Concrete Materials (CESCM 2024)
PB  - Atlantis Press
SP  - 122
EP  - 139
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-564-5_13
DO  - 10.2991/978-94-6463-564-5_13
ID  - Wang2024
ER  -