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Evaluation of time history of design wind speeds using typhoon model and empirical wind characteristics

 Evaluation of time history of design wind speeds using typhoon model and empirical wind characteristics
Author(s): , ,
Presented at IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, published in , pp. 338-339
DOI: 10.2749/222137810796024844
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A method is proposed for calculating the temporal variation of wind speeds during a typhoon to estimate wind load effects on energy-consuming structural devices and cumulative fatigue damage under ...
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Bibliographic Details

Author(s):


Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Published in:
Page(s): 338-339 Total no. of pages: 8
Page(s): 338-339
Total no. of pages: 8
Year: 2010
DOI: 10.2749/222137810796024844
Abstract:

A method is proposed for calculating the temporal variation of wind speeds during a typhoon to estimate wind load effects on energy-consuming structural devices and cumulative fatigue damage under an extreme typhoon event. This method is based on the concept of scenario-based design wind speed. It utilizes parameter scaling, and consists of selecting a seed typhoon that has affected the target site, identifying its parameters, modifying them and calculating the temporal change of wind speeds of a virtual typhoon. Some calculation examples are shown. The calculated temporal wind speeds give the same wind speeds as the design wind speeds and realistic temporal variations based on meteorological considerations.

Keywords:
scenario-based design wind typhoon model empirical wind characteristics