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Abstract |
A hanging jumper beam of a transmission tower is adopted as a countermeasure against a short fault of jumper conductors under strong winds. However it is thought that the hanging jumper beam may cause... the vibration of transmission tower members due to its weight when the hanging jumper beam starts to vibrate under strong winds. The authors have conducted an excitation test of a strain transmission tower with the hanging jumper beam to comprehend the dynamic behaviors of the hanging jumper beam. In this paper the effects of the oscillation of hanging jumper beam on side members are investigated based on the excitation test data, and the information for estimating the vibration of the hanging jumper beam under a string wind is organized.show more
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