Fiber-Reinforced Polymer-Packaged Optical Fiber Bragg Grating Strain Sensors for Infrastructures under Harsh Environment

Table 3

Monitoring items and technical parameters of FRP-packaged optical fiber Bragg grating sensors.

Object	Monitoring items	Sensors				Numbers
		Method	Frequency	Accuracy	Scale
Main-beam	Steel strain	FBG	20 Hz	1 με	±1000 με	40
Main-beam	Steel temperature	FBG	1 time/h	0.5°C	−20°C~+70°C	15
Main-tower	Concrete strain	FBG	20 Hz	1 με	±1000 με	8
Main-tower	Concrete temperature	FBG	1 time/h	0.5°C	−20°C~+70°C	8