Reliability Assessment for PSC Box-Girder Bridges Based on SHM Strain Measurements

Table 1

Linear regression coefficients between temperature and strain measurements and their values.

Sensor	Time
DS1 (on bottom plate)	Summer (2012.6.21)	1.452	0.6067
DS2 (on top plate)		2.19	0.8750
DS3 (on top plate)		3.038	0.9121
DS4 (on bottom plate)		1.049	0.5573
DS1 (on bottom plate)	Winter (2013.1.21)	2.04	0.9078
DS2 (on top plate)		1.897	0.9304
DS3 (on top plate)		2.242	0.8277
DS4 (on bottom plate)		1.714	0.7966

, where means strain and means temperature variation; means coefficient of determination.