Research Article
Long-Term Vibration Monitoring of the Effects of Temperature and Humidity on PC Girders with and without Fly Ash considering ASR Deterioration
Figure 6
((a)–(c)) Measured frequencies of girder No. 3 in May 2015.
(a) The 1st bending mode (mode 1), |
(b) The 2nd bending mode (mode 2), |
(c) The 1st mode of torsional vibration (mode 3), |