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Pregled bibliografske jedinice broj: 258240

Dynamic Testing of the Dubrovnik Bridge


Rak, Mladenko; Herceg, Ljudevit; Lazarević, Damir; Čalogović, Vladimir; Damjanović, Domagoj
Dynamic Testing of the Dubrovnik Bridge // International Conference Bridges : Proceedings / Radić, Jure (ur.).
Zagreb: Secon HDGK, 2006. str. 1059-1066 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Dynamic Testing of the Dubrovnik Bridge

Autori
Rak, Mladenko ; Herceg, Ljudevit ; Lazarević, Damir ; Čalogović, Vladimir ; Damjanović, Domagoj

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
International Conference Bridges : Proceedings / Radić, Jure - Zagreb : Secon HDGK, 2006, 1059-1066

Skup
International Conference Bridges

Mjesto i datum
Dubrovnik, Hrvatska, 21.-24.04.2006

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
natural frequencies; structural damping; superstructure; cable; forces; experimental; numerical

Sažetak
Paper presents the testing results of modal parameters of the Dubrovnik bridge superstructure and each cable. These testings were a part of the standard and detailed inspection of the bridge which was extended to these dynamic testings due to vibration of cables under certain wind conditions. The measuring was carried out using highly precise accelerometers in combination with electronic integrators and very fast A/D converter, with a 16-bit resolution. Experimental analysis of acquired data was processed using PC portable computer and software with FFT analyzer. Theoretical analysis of natural frequencies of the superstructure was carried out using numerical model made of plate and beam finite elements. The results were directly compared graphically and tabularly. Very good agreement is found between compared theoretical and experimental results. Measured natural frequencies of the cables were used to determine cable forces which were then compared with the forces from the last protocol of prestresing during construction. This was done to make sure bridge sustained no structural damage during rain-wind induced vibrations that occured in a few occasions.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo



POVEZANOST RADA


Projekti:
0082227
0082216

Ustanove:
Građevinski fakultet, Zagreb


Citiraj ovu publikaciju:

Rak, Mladenko; Herceg, Ljudevit; Lazarević, Damir; Čalogović, Vladimir; Damjanović, Domagoj
Dynamic Testing of the Dubrovnik Bridge // International Conference Bridges : Proceedings / Radić, Jure (ur.).
Zagreb: Secon HDGK, 2006. str. 1059-1066 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Rak, M., Herceg, L., Lazarević, D., Čalogović, V. & Damjanović, D. (2006) Dynamic Testing of the Dubrovnik Bridge. U: Radić, J. (ur.)International Conference Bridges : Proceedings.
@article{article, author = {Rak, Mladenko and Herceg, Ljudevit and Lazarevi\'{c}, Damir and \v{C}alogovi\'{c}, Vladimir and Damjanovi\'{c}, Domagoj}, editor = {Radi\'{c}, J.}, year = {2006}, pages = {1059-1066}, keywords = {natural frequencies, structural damping, superstructure, cable, forces, experimental, numerical}, title = {Dynamic Testing of the Dubrovnik Bridge}, keyword = {natural frequencies, structural damping, superstructure, cable, forces, experimental, numerical}, publisher = {Secon HDGK}, publisherplace = {Dubrovnik, Hrvatska} }
@article{article, author = {Rak, Mladenko and Herceg, Ljudevit and Lazarevi\'{c}, Damir and \v{C}alogovi\'{c}, Vladimir and Damjanovi\'{c}, Domagoj}, editor = {Radi\'{c}, J.}, year = {2006}, pages = {1059-1066}, keywords = {natural frequencies, structural damping, superstructure, cable, forces, experimental, numerical}, title = {Dynamic Testing of the Dubrovnik Bridge}, keyword = {natural frequencies, structural damping, superstructure, cable, forces, experimental, numerical}, publisher = {Secon HDGK}, publisherplace = {Dubrovnik, Hrvatska} }




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