| Budget Amount *help |
¥21,320,000 (Direct Cost: ¥16,400,000、Indirect Cost: ¥4,920,000)
Fiscal Year 2018: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2017: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2016: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
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| Outline of Final Research Achievements |
A large-amplitude vibration was confirmed on the Shinkansen PRC girders in Japan. The purpose of this research is to clarify the mechanism of the large amplitude vibration, to grasp the structural characteristics by monitoring the actual bridge, and to propose the vibration control method specifically through measurement and analysis.
Since the existing measures require large-scale, high-cost reinforcement work, we proposed a vibration control technique using inexpensive and compact TMD, and showed its optimal arrangement and parameters by nonlinear finite element method. By this research result, we could propose an inexpensive and effective vibration control method.
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