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

Table 12

Coefficients of linear regression model (damping ratio ~ humidity) of girder No. 3.

Mode	Intercept	Gradient	Std. Error	(%)	(%)	Coefficient of determination
1	0.0120	0.00002	0.0015	12.5748	0.1482	0.0094
2	0.0224		0.0018	8.2411		0.2024
3	0.0878		0.0111	12.6373		0.0163