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

Table 9

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

Mode	Intercept	Std. Error	(%)	Coefficient of determination	Correlation coefficient
1	10.1880	0.0514	0.5046	0.7691	0.8770
2	38.7192	0.4317	1.1150	0.8454	0.9195
3	25.9808	1.6800	6.4663	0.7848	0.8859