Real-Time Distributed Strain Monitoring of a Railway Bridge during Train Passage by Using a Distributed Optical Fiber Sensor Based on Brillouin Optical Correlation Domain Analysis

Figure 6

Experimental setup for the distributed strain monitoring of the Cheong-ri Bridge: (a) schematic diagram of the distributed optical fiber sensor system and the optical fiber attached on the bridge, (b) distributed optical fiber sensor system based on BOCDA method installed at the experimental site, and (c) configuration of the optical system with optical and electrical parts.

(a)

(b)

(c)