Naslov
Seismic analysis of Pelješac Bridge

Autori
Šavor, Zlatko ; Radić, Jure ; Hrelja, Gordana ; Lazarević, Damir ; Atalić, Josip

Izvornik
Bridge structures (1573-2487) 5 (2009), 2-3; 97-108

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
cable stayed bridge; steel superstructure; dampers; adverse soil conditions; steel tubular driven piles; earthquake; design response spectra

Sažetak
The construction of a new 2.4km long bridge, crossing the sea strait between the Croatian Mainland and the Pelješac Peninsula to provide the fixed road link between the whole of Croatia, has just begun. The bridge location is in a highly seismic zone with the design ground acceleration of 0.41g and on extremely bad soil. The four lane road bridge consists of two approach bridges and the main cable stayed bridge with continuous steel trapezoidal box superstructure. Nonlinear modal time history analysis, based on superposition of Ritz vectors, but with coupled modal equations, was utilized for seismic design. Real earthquake accelerograms for earthquakes in the vicinity (Bar, Ulcinj, Ston) and also El Centro earthquake, as well as 72 artificial accelerograms, determined by seismic study for the specific bridge location, were analyzed. The analysis was carried out, taking into account the proposed construction sequence.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo

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