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MODELLING OF THE ACTION OF THE BORA WIND UPON HIGH SLENDER STRUCTURES (CROSBI ID 491323)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Peroš, Bernardin ; Boko, Ivica ; Šimunović, Tihomir MODELLING OF THE ACTION OF THE BORA WIND UPON HIGH SLENDER STRUCTURES // Response of Structures to Extreme Loading / Ghobarah, Ahmed ; Gould, Philip (ur.). Toronto: Elsevier, 2003. str. CD-rom-x

Podaci o odgovornosti

Peroš, Bernardin ; Boko, Ivica ; Šimunović, Tihomir

engleski

MODELLING OF THE ACTION OF THE BORA WIND UPON HIGH SLENDER STRUCTURES

The phenomenon of the catabatic action of the Bora wind upon the structures and the respective response of high slender structures have not yet been investigated sufficiently so that the paper presents the analysis of the critical values of the wind excitation upon high slender structure (with the dominant wind load), according to the measured one-second values of the wind velocity (at altitudes of 10, 52 and 140 m). The regularity of the catabatic and turbulent wind action was analysed depending upon the material of the structure and its geometric characteristics taking into account the response of the structure. It should be stressed that the paper uses for the first time the data of wind profile measurements of the Bora action (at the Dubrovnik location, Croatia) ; this wind is known world-wide as a cold, catabatic and local, changeable wind blowing from the land towards the sea. The model was used to simulate the stochastic wind-structure interaction and the value of the dynamic characteristic wind Bora for various second values for averaging the wind velocity (1, 10, 60 and 600 seconds). All the relevant values in the critical state which define the structure resistance and the wind action upon the structure are expressed as random values so that the probabilistic procedure was used to determine the safety degree- the reliability index for the structures under consideration. The investigations were performed according to the EUROCODE recommendations and they represent the basis for the development of the Croatian codes in the field of the dynamic wind action upon the structure.

The Bora wind; stochastic values; structure response; national codes

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Podaci o prilogu

CD-rom-x.

2003.

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objavljeno

Podaci o matičnoj publikaciji

Response of Structures to Extreme Loading

Ghobarah, Ahmed ; Gould, Philip

Toronto: Elsevier

Podaci o skupu

Response of Structures to Extreme Loading

predavanje

03.08.2003-06.08.2003

Toronto, Kanada

Povezanost rada

Građevinarstvo