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Wind and Structures Volume 14, Number 5, September 2011 , pages 481-498 DOI: https://doi.org/10.12989/was.2011.14.5.481 |
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Behavior of self supported transmission line towers under stationary downburst loading |
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Mohamed M. Darwish and Ashraf A. El Damatty
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| Abstract | ||
| During the past decade, many electrical transmission tower structures have failed during downburst events. This study is a part of a research program aimed to understand the behaviour of transmission lines under such localized wind events. The present study focuses on assessing the behaviour of self supported transmission line towers under downburst loading. A parametric study is performed to determine the critical downburst configurations causing maximum axial forces for various members of a tower. The sensitivity of the internal forces developing in the tower | ||
| Key Words | ||
| downburst; transmission lines; finite element; self supported transmission towers. | ||
| Address | ||
| Mohamed M. Darwish : March Consulting Associates Incorporation Saskatoon, Saskatchewan, Canada, S7K 0B8 Ashraf A. El Damatty : Department of Civil and Environmental Engineering, The University of Western Ontario London, Ontario, Canada, N6A 5B9 | ||