Date of Award
2025-08-01
Degree Name
Master of Science
Department
Civil Engineering
Advisor(s)
Soheil Nazarian
Abstract
This thesis presents a study on the application of Distributed Fiber Optic Sensing (DFOS) technology for detecting pavement's strain response with high spatial resolution. Using a Rayleigh-based optical frequency domain reflectometry (OFDR) system, DFOS sensors were calibrated and embedded in full-scale asphalt slabs subjected to accelerated loading using a Model Mobile Load Simulator 3 (MMLS3). Calibration of the DFOS sensors was conducted using a three-point bending flexural test with known load conditions and reference strain gauges to validate theoretical and numerical models. The results demonstrate DFOS's capability to detect pavement response under static and dynamic loading, as well as changes due to wheel position and temperature change. The study highlights DFOS's advantages over traditional strain gauges, such as higher spatial resolution, continuous monitoring, and potential for predictive maintenance applications.
Language
en
Provenance
Received from ProQuest
Copyright Date
2025-08
File Size
54 p.
File Format
application/pdf
Rights Holder
Sebastian Morales
Recommended Citation
Morales, Sebastian, "Application of Distributed Fiber Optic Sensing (DFOS) for Monitoring Asphalt Pavement Strains Under Accelerated Loading Conditions" (2025). Open Access Theses & Dissertations. 4419.
https://scholarworks.utep.edu/open_etd/4419