AN EXPERIMENTAL ON FATIGUE BEHAVIOR OF REINFORCED CONCRETE BEAMS USING FIBER BRAGG GRATING SENSORS

The number and variety of sensors in the bridges is related to economical efficiency. Durability and safety has to be fulfilled, not to mention accuracy. Accordingly, the fatigue behavior of reinforced concrete beams using Fiber Bragg grating sensors (FBG sensors) will be compared with the results using existing electric sensors. In this study, comparison between potical fiber bragg grating (FBG) sensor and general sensor and application of the FBG sensor for monitoring the behavior of the bridge will be made. To realize this result, it is mostly intended to develop optical FBG sensor and general sensor to manufactured tester in order to verify confidence on the developed FBG sensor. Moreover, durability, safety, and accuracy of the Fiber Bragg Grating sensors should be verified. For construction of the Smart monitoring system of management and maintenance for the Bridge, introduction and application of the monitoring of the bridge to the high-tech measurement is in progress. For this purpose, it is absolutely necessary to have a communication system for transmission and reception of the measured data and to develop a model for the maintenance.