Concept of a seven-wire steel strand embedding an FBG sensor.

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Long-Term Monitoring Reliability and Life Prediction of Fiber Bragg Grating-Based Self-Sensing Steel Strands

n x , n y , and B at the wavelengths from 1 to 2 µm where n x and n y

Post-tensioning Force Measurement Using Optical Fiber Sensor-Embedded Strand for Prestressed Concrete Structures

Jae-Min KIM, Professor, Professor, Chonnam National University, Gwangju, Department of Civil Engineering

PDF) Enhanced Strain Measurement Range of an FBG Sensor Embedded in Seven-Wire Steel Strands

Table 2 from A Sensor-Type PC Strand with an Embedded FBG Sensor for Monitoring Prestress Forces

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Elasto-magneto-electric (EME) sensors for force monitoring of prestressing tendons, Advances in Bridge Engineering