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

Table 4

Coefficients of linear regression model (frequency ~ temperature) of girder No. 3.

Mode	Intercept	Gradient	Std. Error	(%)	(%)	Coefficient of determination
1	10.2691		0.0286	0.2785		0.7932
2	37.2520		0.1425	0.3825		0.8567
3	33.1032		0.8411	2.5408		0.7911