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Wind and Structures Volume 11, Number 2, March 2008 , pages 121-135 DOI: https://doi.org/10.12989/was.2008.11.2.121 |
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A comparative study of along and cross-wind responses of a tall chimney with and without flexibility of soil |
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Piotr Gorski and Tadeusz Chmielewski
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| Abstract | ||
| The paper is concerned with a comparative study of both the along and cross-wind responses of a tall industrial chimney with and without flexibility of soil. The along-wind response has been estimated by means of approaches presented in three Standards: the Polish, the ISO and the Eurocode and by random vibration approach which is outlined below. The cross-wind response has been estimated by means of the three models developed by Vickery and Basu, Ruscheweyh and Flaga and methods presented in Standards: the Polish, the ISO and the Eurocode (Approach 1 and 2). Computer programmes were developed to obtain estimates of responses of a six-flue, 250 m-tall chimney. The analytical results computed according to the methods presented in different standards and random vibration approaches have been compared. Some unexpected conclusions have been observed. | ||
| Key Words | ||
| numerical analysis; tall chimney; along and cross-wind responses; flexibility of soil. | ||
| Address | ||
| Opole University of Technology, ul. Katowicka 48, Opole, Poland | ||