PROCEEDINGS OF NATIONAL SYMPOSIUM ON WIND ENGINEERING
PROCEEDINGS OF THE 20th NATIONAL SYMPOSIUM ON WIND ENGINEERING
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Co-host: The Institute of Electrical Engineering of Japan, Japanese Society of Steel Construction, Japan Society of Civil Engineers, Meteorlological Society of Japan, Architectural Institute of Japan, Japan Association for Wind Engineering

DYNAMIC INTERACTION BETWEEN HANGING JUMPER BEAMS AND A TRANSMISSION TOWER
-Subjected to some vibrations of right angle to transmission lines-
*Makoto Honda, Hideaki Yamato, Junji Maeda, Nobuyuki Ishida, Mayumi Fujimura, Yoshifumi Ajiro
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Keywords: Hanging jumper beam, Transmission tower, Dynamic interaction
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Pages 44

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Abstract

A hanging jumper beam is adopted to suppress a jumper conductor's large movement under strong winds. However, the hanging jumper beam is vibrated easily due to low damping and it is thought that their vibrations affect a tower's or cross arm's oscillations incrementally. This paper reports some of our findings about the basic dynamic properties of a hanging jumper beam and the tower through several vibration tests of a strain tower having hanging jumper beams, adding some measurement results during a strong wind.

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© 2008 Steering Committee of National Symposium on Wind Engineering
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