Distributed Strain Sensing of a Solar PV single-axis tracking system located at the Nextracker Development Center
This project seeks to demonstrate the ability of fiber optic sensing (FOS) technology to produce meaningful data that characterize single-axis tracking systems with regard to dynamic wind loading. This project will explore the ability of FOS technology to capture frequency modes, deflection of fram…
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Enhanced Post-Earthquake Structural Assessment of Reinforced Concrete Moment Frames through Distributed Fiber Optic Sensing
Optical Frequency Domain Reflectometry (OFDR), a specialized branch of Fiber Optic Sensing (FOS), is emerging as a transformative approach in Structural Health Monitoring (SHM) of Reinforced Concrete (RC) structures. This research explores OFDR’s potential in post-earthquake damage assessment,…
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CE170A – Model bridge testing
Students of CE 170A (Infrastructure Sensing and Modeling, taught by Professor Soga, Professor Kayen, and Professor Zekkos) had a lot of fun on September 14th. Model bridge tests were conducted as part of the Infrastructure Sensing module of the course, led by Jaewon and Shih-Hung. Three different br…
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CSI – DFOS-based gas sensing
1. Fiber optics-based CO2 sensing Soga’s Research Group collaborate with Redondo Optics Inc to develop a multi-channel (4-sensing channels) fiber optic intensity radiometric interrogation system (FIRIS™-M400) which is suitable for the real-time monitoring of the light transmission status of ROI’s ab…
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PPI – iPVC Pipe Testing
This study centers on experimental assessments of AWWA C900 DR14 iPVC pipes, subjecting them to bending forces. The primary objective was to determine the pipes’ capacity to maintain their full-service functionality following seismic events, thus bolstering seismic resilience. To explore this,…
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U.S. Pipe – Ductile Iron Pipe Testing
This study involved a series of pipeline experiments, encompassing tension tests, bi-axial tension tests, and 4-point bending tests, to investigate the failure mechanisms of an 8-inch TR-XTREME ductile iron pipe manufactured by US Pipe. These experiments were equipped with distributed fiber optic se…
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Kubota – Ductile Iron Pipe Testing
With a focus on large-scale testing capacity, this study delves into the challenges faced by buried pipelines, particularly segmented ones within water networks, when confronted with natural disasters such as earthquakes and landslides. The integrity of connections between pipe segments becomes a pa…
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