振動／弾塑性

[I-55] A study of the effect that seasonal changes have on the natural frequencies of a bridge

*Tamaki Yamashita¹, Masahide Matsumura², Kimitoshi Takeno³ (1. Kumamoto University, 2. Center for Water Cycle, Marine Environment and Disaster Management, Kumamoto University Professor , 3. Civil Engineering Department, Kumamoto Prefecture)

Keywords:Bridge Vibration Measurement, PC three-box Girder Bridge , FFT, AR, Natural Frequency, Seasonal Changes