Long-Term Vibration Monitoring of the Effects of Temperature and Humidity on PC Girders with and without Fly Ash considering ASR Deterioration

Table 3

Coefficients of linear regression model (frequency ~ temperature) of girder No. 2.

Mode	Intercept	Gradient	Std. Error	(%)	(%)	Coefficient of determination
1	9.9069		0.0581	0.5864		0.3821
2	35.5043		0.6280	1.7687		0.1444
3	32.7528		2.2470	6.8604		0.2280