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Reliability of Steel Bridges Exposed to the Bora Wind Action (CROSBI ID 476558)

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

Peroš, Bernardin ; Boko, Ivica Reliability of Steel Bridges Exposed to the Bora Wind Action // Proceedings of the International Conference on Steel Structures of the 2000's / Arda, Tevfik Seno ; Bayramoglu, Guliz ; Yorgun, Cavidan (ur.). Istanbul: Istanbul Technical University (ITU), 2000. str. 51-56-x

Podaci o odgovornosti

Peroš, Bernardin ; Boko, Ivica

engleski

Reliability of Steel Bridges Exposed to the Bora Wind Action

This paper presents the computation of the reliability of a steel bridge built along the Adriatic coast in Croatia. In addition to the traffic load, the bridge is exposed to the action of a very cold, catabatic, local, changeable wind. The Bora load was computed by measurements of second-values of the wind load at specific locations of the bridge. The reliability analysis of the steel bridge structure with a dynamic wind load, regarding its bearing capacity, i.e. the collapse of its bearing capacity, was performed employing a probabilistic procedure. The simulation of the wind-structure interaction was carried out using the modal analysis. According to the theory of stochastic vibrations it was possible to define the reaction of the bridge on the wind action. All the relevant factors in the equation of the limit state of the bearing capacity, which define the mechanical properties of the material, cross sectional geometric characteristics of the bridge structure, the intensity and the type of the wind load and the traffic load are random values. The reliability index for the given steel bridge with a wind action as a load was computed. The performed investigations represent a basis for the development of national standards for the design of steel bridges with a dynamic wind load.

Čelik; građevina; most; dinamičko opterećenje; vjetar; Bura; stohastičke vibracije; indeks pouzdanosti

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Podaci o prilogu

51-56-x.

2000.

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objavljeno

Podaci o matičnoj publikaciji

Proceedings of the International Conference on Steel Structures of the 2000's

Arda, Tevfik Seno ; Bayramoglu, Guliz ; Yorgun, Cavidan

Istanbul: Istanbul Technical University (ITU)

Podaci o skupu

Steel Structures of the 2000's

predavanje

11.09.2000-13.09.2000

Instambul, Turska

Povezanost rada

Građevinarstvo