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Earthquakes and Structures
  Volume 7, Number 6, December 2014, pages 1045-1060
DOI: http://dx.doi.org/10.12989/eas.2014.7.6.1045
 


Effect of reducing tsunami damage by installing fairing in Kesen-Bridge
Takahiro Abukawa, Yuto Nakamura and Akira Hasegawa

 
Abstract
    The 2011 off the Pacific coast of Tohoku Earthquake brought serious damage around the Tohoku district in Japan, and much human life and fortune were lost. Bridges were damaged by this earthquake. It was the most serious damage that the superstructures of bridges were flowed out by tsunami. Earthquakes of the same scale are predicted in other areas of Japan. It is necessary to take measures for bridges near coast. In order to understand the tsunami force acting on the bridge, hydraulic model experiments was conducted. In addition, this paper focused on fairing that is effective in wind resistant stability. Installing fairing to bridges has been verified by experiments whether it is possible to reduce the force of tsunami.
 
Key Words
    tsunami; Kesen-Bridge; fairing; hydraulic model experiment, mechanism of tsunami action for bridge
 
Address
Takahiro Abukawa: Department of Design, CHODAI, Sendai 984-0051, Japan

Yuto Nakamura and Akira Hasegawa: Department of Civil Engineering, Hachinohe Institute of Technology,
Hachinohe 031-8501, Japan
 

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