Naslov
CONSTRUCTION OF CETINA RIVER ARCH BRIDGE

Autori
Žderić, Željko ; Runjić, Ante ; Hrelja, Gordana ; Franetović, Marin

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

Izvornik
CONSTRUCTION OF ARCH BRIDGES / Chen, Baochun ; Radić, Jure - Zagreb : SECON, 2009, 274-281

ISBN
978-953-7621-03-2

Skup
2nd Chinese-Croatian Joint Colloquium on CONSTRUCTION OF ARCH BRIDGES

Mjesto i datum
Fuzhou, Kina, 05.10.2009. - 09.10.2009

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Arch; Bridge; Construction by free cantilevering; Auxiliary pylons

Sažetak
A new concrete arch bridge with 140.30 m span was constructed across the Cetina River canyon near the town of Trilj. The beautiful river canyon is an environmentally protected area and the arch was selected, as it most harmoniously blended into the landscape. The construction of the bridge across the Cetina River canyon commenced in the year 2005 and the bridge was opened for traffic in June 2007. The arch spans 140 m with a rise of 21.5 m, resulting in the rise-to-span ratio of 1/6.5. The arch is fixed of single-cell cross-section with constant depth of 2.5 m and constant width of 8.0 m. The ten span continuous bridge superstructure consists of precast prestressed concrete girders, cast-on-site deck plate and cross-girders at supports only. The typical span length is 21.60 m.The whole cross section of the arch was constructed by free cantilevering, on travelling formwork carriages, in segments 5.01 meters long, starting symmetrically from arch springings. The arch was supported during construction by stays equilibrated by anchor stays, connected to rock anchors. The 18.5 m high auxiliary steel pylons were erected on top of columns at the arch springings to facilitate the arch construction from the 3rd segment onward. Two-level suspension was used. The approach spans were completed by placing precast girders, and on-site concreting of the deck and cross-girders. A truck-mounted crane of 300 tonnes lifting capacity was used to place the precast girders into final position. A detailed account of the Cetina Bridge construction is given in the paper.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo

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