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Dinamička analiza mosta "23. oktobar" u Novom Sadu.- Dynamic Analysis of the Bridge "23. October" in Novi Sad / O. Đurić, N. Hajdin // VI kongres Jugoslovenskog društva građevinskih konstruktora, Bled 26-29. 9. 1978. Beograd : JDGK, 1978. Knj. Mostovi-M, str. 149- 157. M 14
Most "23. oktobar" preko Dunava u Novom Sadu.- Bridge "23. October" over the River Danube in Novi Sad / N. Hajdin // VI kongres Jugoslovenskog društva građevinskih konstruktora, Bled 26-29. 9. 1978. Beograd : JDGK, 1978. Knj. Mostovi-M, str. 133-148. M 13
Proračun lokalnih naprezanja u konstrukciji mosta "23. oktobar" u Novom Sadu.- Calculation of Local Stress in the Structure of the Bridge "23. oktobar" in Novi Sad / N. Hajdin, M. Sekulović, G. Srećković // VI kongres Jugoslovenskog društva građevinskih konstruktora, Bled 26-29. 9. 1978. Beograd : JDGK, 1978. Knj. Mostovi –M, str. 159-167. M 15
Most "23. oktobar" preko Dunava u Novom Sadu / N. Hajdin // Izgradnja. 33 : 7 (1979) 9-18.
Proračun lokalnih naprezanja u konstrukciji mosta "23. oktobar" preko Dunava u Novom Sadu / N. Hajdin, M. Sekulović, G. Srećković // Izgradnja. 33 : 10 (1979) 1-4.
Construction of the Cable-Stayed Bridge "Sloboda" (Bridge of Freedom) over the River Danube, Novi Sad, Yugoslavia / N. Hajdin, S. Dinić, H.R. Müller // The Ninth International Congress of the FIP, Stockholm, June 6-10 1982. Stockholm : FIP, 1982. p. 1-16.
Proračun lokalnih naprezanja u konstrukciji mosta "23 oktobar" u Novom Sadu / N. Hajdin, M. Sekulović, G. Srećković // Seminar "Metoda konačnih elemenata u proračunu inženjerskih konstrukcija", Beograd 1982. Beograd : Jugoslovenski gradjevinski centar : Gradjevinski fakultet, 1982. Str. 371-379.
Izgradnja mosta Slobode preko Dunava u Novom Sadu / N. Hajdin, Lj. Gojković // Naše građevinarstvo. 37 : 8 (1983) 1051-1058.
Primena prednapregnutih visokovrednih anker-zavrtnjeva na Mostu Slobode preko Dunava u Novom Sadu.- Application of High Strength Prestressed Anchor-Bolts in the Construction of the Bridge "Sloboda" ("23. Oktobar") over Danube River in Novi Sad / N. Hajdin, Lj. Vlajić // VII kongres Saveza društava građevinskih konstruktera Jugoslavije, Cavtat 25- 28 april 1983. Beograd : SDGKJ, 1983. Knj. Mostovi, M, str. 81-90. M-7
Probno opterećenje glavne čelične konstrukcije Mosta Slobode preko Dunava u Novom Sadu .- Test Loading of the Main Structural System of the C / N. Hajdin, Lj. Vlajić // VII kongres Saveza društava građevinskih konstruktera Jugoslavije, Cavtat 25- 28 april 1983. Beograd : SDGKJ, 1983. Knj. Mostovi, M, str. 59-80. M-6
Računska analiza lokalnih koncentracija napona u pilonu Mosta Slobode preko Dunava u Novom Sadu .- Numerical Analysis of Local Stress Concentrations in the Pylon of the Bridge "Sloboda" over Danube River in Novi Sad / N. Hajdin, B. Stipanić, G. Srećković, B. Pujević // VII kongres Saveza društava građevinskih konstruktera Jugoslavije, Cavtat 25- 28 april 1983. Beograd : SDGKJ, 1983. Knj. Mostovi, M, str. 101-108. M-9
Strassenbrücke "SLOBODA" über die Donau in Novi Sad / N. Hajdin // Der Stahlbau (Berlin). 52 : 4 (April 1983) 97-103.
Some Yugoslav experiences in Design and Construction of Long-Span Bridges / N. Hajdin, S. Cvetković // Steel Structures : Advances, Design and Construction / Ed. by R. Narayanan. London and New York : Elsevier Applied Science, 1987. p. 44-53.
Roadway Bridge over Danube in Novi Sad / N. Hajdin // Proceedings : International Conference "Bridges on the Danube", Wiena : Bratislava : Budapest, September, 7-12, 1992. Str. 283-292.
Cable-Stayed Bridges : Yugoslav Experiences in Analysis and Design / N. Hajdin, B. Stipanić // Steel Structures : Eurosteel '95 / editor N. Kounadis. Roterdam : Balkema, 1995. Str. 23-30.
Review of Damage and Reparation of Piers on Bombed and destroyed Bridge Sloboda over Danube in Novi Sad / N. Hajdin, G. Sreckovic, D. Lucic, M. Lazovic, R. Mandic // Proceedings 4th International Conference on Bridges Across the Danube 2001, Bratislava, Slovakia, September 13-15, 2001. p. 293-298.
Reconstruction of the Bridge Sloboda in Novi Sad / N. Hajdin // Proceedings 4th International Conference on Bridges Across the Danube 2001, Bratislava, September 13-15, 2001. Bratislava, 2001. p. 359-365.
Destruction and Reconstruction of the Sloboda Bridge in Novi Sad / N. Hajdin // First International Conference on Bridge Maintenance, Safety and Management (IABMAS 2002), Barcelona, July 14 – 17 , 2002. Barcelona : International Center for Numerical Methods in Engineering (CIMNE), 2002. p. 1-8.
Destruction and Reconstruction of Sloboda Bridge in Novi Sad / N. Hajdin, R. Mandic // 4th Greek National Conference on Steel Structures, Patras, May 24-25, 2002 (invited paper No. St 56).
Bridge over the Danube in Novi Sad Replacing the Destroyed "Žeželj" Bridge, Preliminary Design / N. Hajdin, Z. Luković // Bridges in Danube Basin : Proceedings of the 5 th International conference on Bridges across the Danube 2004, Novi Sad, 24-26 June 2004. Novi Sad : Euro Gardi Group, 2004. Vol. I, p. 129-134.
Sloboda Bridge Debris Clearance Project, Danube Clearance in Novi Sad / J. S. Jensen, V. Mogensen, O. Sorensen, N. Hajdin, G. Srećković, B. Stipanić, R. Mandić // Bridges in Danube Basin : Proceedings of the 5 th International conference on Bridges across the Danube 2004, Novi Sad, 24-26 June 2004. Novi Sad : Euro Gardi Group, 2004. Vol. I, p. 35-42.
Sloboda Bridge Reconstruction Project, Preliminary Design and Design for Tender / J. S. Jensen, O. R. Hansen, O. Sorensen, N. Hajdin, A. Bojović, G. Srećković, B. Stipanić, Š. Dunica, M. Lazović // Bridges in Danube Basin : Proceedings of the 5 th International conference on Bridges across the Danube 2004, Novi Sad, 24-26 June 2004. Novi Sad : Euro Gardi Group, 2004. Vol. I, p. 53-60.

The "Sloboda" Roadway Bridge Across the River Danube in Novi Sad

 

The "Sloboda" Roadway bridge across the River Danube in Novi Sad (Serbia) The "Sloboda" Roadway bridge across the River Danube in Novi Sad (Serbia) The "Sloboda" Roadway bridge across the River Danube in Novi Sad (Serbia) – cross section The "Sloboda" Roadway bridge across the River Danube in Novi Sad (Serbia) – after deconstruction The "Sloboda" Roadway bridge across the River Danube in Novi Sad (Serbia) – during reconstruction

 

The main structure of the roadway bridge across the Danube in Novi Sad is a girder with cable stays. With its 351 m span, it set, at the time of building, the world record for bridges of this type, with pylons and stays in the central plane of the bridge.

Proceeding from the Novi Sad side, (the left bank), the bridge comprises:
a) the approach bank structure which is 301 m long, made of prestressed concrete,
b) the access composite structure of the left bank with spans of 4 x 60 = 240 m,
c) the main steel structure of the girder system with cable stays and spans of 2 x 60+ 351 + 2 x 60 = 591 m,
d) the access composite structure of the right bank with spans of: 3x60 = 180 m. The total length of the bridge is 1312 meters. The bridge is designed to accommodate six traffic lanes.

The main bridge structure is undoubtedly the most important and most complexe part of the entire bridge. The stiffening girder or the main girder of the bridge has a box cross section, trapezoidal in shape. The height of the box is 3.8 m, the width of the lower plate is 13.0 m, and of the upper plate 27.48 m, of which the width of 16.0 m is an integral part of the closed cross section. The pylons of the bridge are above the piers, at the ends of the main span, positioned in the axis of the bridge and fixed in the stiffening girder. Three groups with 4 parallel wire cables are arranged in a single plane having a harp configuration.They are spaced along the main span of the bridge at distances of 54+48+48 m symmetrically on both sides.

All the piers of the bridge are founded on reinforced concrete piles, 120 and 150 cm in diameter.

The main bridge structure is assembled according to the cantilever erection principle. The distribution of ropes in the main span is such as to enable cantilever erection and support the structure by stays proceeding from both sides of the main span.

The bridge was completed and opened for traffic in 1981.

The bridge was partially destroyed in 1999 during the NATO aggression and has been under reconstruction since 2002, fully in accordance with the original design. Its reconstruction is scheduled to be completed at the beginning of the year 2005.

 

Literature:

73, 76, 78, 80, 81, 91, 94, 96, 100, 101, 103, 104, 121, 138, 146,
183, 184, 186, 187, 189, 196, 197