ŽELEZNIČKO-DRUMSKI MOST U NOVOM SADU RACIONALNOST KONSTRUKCIJE MOSTA RAILWAY ROAD BRIDGE IN NOVI SAD RATIONALITY OF THE BRIDGE STRUCTURE

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Društvo gradjevinskih konstruktera Srbije Građevinski fakultet Univerziteta u Beogradu DGKS 14. kongres 2014 Novi Sad, 24-26. septembar 2014. Aleksandar Bojović, Zlatko Marković Antonio Mora, Luciano Casasola Dimitrije Aleksić, Marko Pavlović, Milan Spremić, Novak Novaković ŽELEZNIČKO-DRUMSKI MOST U NOVOM SADU RACIONALNOST KONSTRUKCIJE MOSTA RAILWAY ROAD BRIDGE IN NOVI SAD RATIONALITY OF THE BRIDGE STRUCTURE JV Azvi S.A., Taddei S.p.A., Horta Coslada S.L. www.azvi.es, www.gruppoedimo.it/taddei DEL ING d.o.o., Beograd www.deling.rs

Projektni zadatak / Terms of Reference Zahtev Sadržaj Request Content Lokacija Fundiranje Starog mosta Starog mosta, koliko je moguće Saobraćaj na mostu 2 koloseka + 2 trake + 2 staze Brzine vozova Teretni / Putnicki = 120/160 km/h Vertikalno ubrzanje max 1,3 m/s 2 Dinamički proračun Vozovi Tipa 2 i 5 Location Foundation Old bridge location Of the old bridge as possible Traffic on bridge 2 tracks + 2 lanes + 2 paths Train velocities Freight / Passenger = 120/160 km/h Vertical accelerations max 1,3 m/s 2 Dynamic analysis Trains Type 2 and 5 Instalacije i oprema Prema korisnicima Accessories Acc. to beneficiaries Norme za projekt. Ril 804:2003 DIN-Fb 101do 104:2009 EN 1990 do 1994, 1998 Koštanje: Zahtev Delegacije Evropske komisije za Republiku Srbiju max 60 mil. EUR Most + Demontaža Privr. mosta + Monitoring Design norms Execution norms Costs Request European Delegation for Republic of Serbia Ril 804:2003 DIN-Fb 101to 104:2009 EN 1990 to 1994, 1998 max 60 Mio. EUR Bridge + Dismantling of Temporary bridge + Monitoring Urbanistički uslov: Lučni, čelični most Urban planning condition: Arch steel bridge 2

Steel: S355 Hangers: Parallel strands f u,k = 1860 N/mm 2 Concrete: C35/45 Reinforcement: B500C 27m 177m 3m 219m 48m 3

Kolovoz / Deck 4

Najkritičniji uslovi projektovanja / Most critical requirements for designing Most critical hangers Najkritičnije vešaljke: min N(G+extrQ) > 0 Vertical deck accelerations Vertikalna ubrzanja: a V 1,3 m/s 2 Deck slab crack width Širina prslina kol. ploče: w k 0,3 mm Ril 804:2003 DIN-Fb 101:2009 θ 1 + θ 2 (LM71/1 track+δt M ) = 3,7 5 mrad takođe i / and also u osi / in axis 3: δ = δ 1 + δ 2 = 3,8 9 mm Aleksandar Bojović: Railway Road Bridge in Novi Sad 5

LM71+LM71+LM1+LM4 LM71+SW/2 LM71+SW/2+LM1+LM4 ŽDM u Novom Sadu: Veliko saobraćajno opterećenje Podeljena saobraćajna opterećenja po EN 1991-2:2003: Železnica, LM71: 80 kn/m Železnica, SW/2: 150 kn/m Drum, LM1: 9,00 kn/m 2, 2,50 kn/m 2 Pešaci, LM4: 5,00 kn/m 2. 6

ŽDM u Novom Sadu: Veliki stalan teret DM Gazela: g 1,k + g 2,k = 220 kn/m (Težina konstr. + Stalan teret) ŽDM Novi Sad: g 2,k = 223 kn/m (Stalan teret) Zastor = 121 kn/m Žel. oprema = 29 kn/m Asfalt = 15 kn/m Ostalo = 58 kn/m 7

Ograničeno koštanje konstrukcije mosta = 60 mil. EUR Konstrukcija 65% ukupnog koštanja Limited costs = 60 Mil. EUR Bridge structure 65% total costs Racionalna konstrukcija: Izbor glavnog statičkog sistema Izbor vešaljki Izbor kolovozne konstrukcije Ciljanje količine čelika, betona, kablova Racionalna montaža Rational bridge structure: Choice of main structural system Choice of hangers Choice of deck Targeted quantities of steel, concrete, cable stays Appropriate erection 8

Izbor glavnog statičkog sistema (pri slobodnom, neuslovljenom izboru) Gredni, rešetkast: estetski loš više materijala Sa kosim kablovima: estetski dobar deformacije? ubrzanja? Lučni, uklješteni lukovi: nepouzdano fundiranje deformacije? Lučni sa zategom: izuzetno krut racionalan po količinama materijala estetski dobar 9

Izbor glavnog statičkog sistema: Uticaj na količine čelika konstrukcije 10

Masses of arch steel bridges: Masses of steel per m 2. Masses ratios: (Road) : (Railway) : (Railway 200 km/h) 1 : 2,5 : 3,5. Mass of the steel structure Great impact to total costs Masa čelične konstrukcije Veliki uticaj na koštanje 11

Racionalnost konstrukcije: Uticaji geometrije, debljina limova M = ql 2 /8 N = M/H Uticaj globalne geometrije na presečne sile lukova i zatega: Normalne sile: Uticaj visine luka Momenti savijanja: Uticaj razmaka (broja) vešaljki q N N H L N N t f n st t w Uticaj debljina limova: sa t 50 mm izbegavaju se čelici M,ML, (sa σ Ed 0,75 σ Rd zadovoljava S355J2,K2); smanjuje se broj kvalifikacija zavarivanja izvođača. Uticaj lokalne geometrije: Broj ukrućenja minimalan. 12

Racionalnost konstrukcije: Debljina limova Elementi preseka lukova, zatega i kolovozne konstrukcje su debljina t 50 mm. S355, T = -26 o C K2: 40 < t 50 J2: 30 < t 40 J0: t 30 t [mm] 13

Racionalnost konstrukcije: Izbor vešaljki Kablovi ili pune vešaljke? Prednosti kablova: kategorija zamora: Δσ C = 160,0 N/mm 2 > Δσ C punih vešaljki; mnogo bolje aerodinamičke osobine; bez montažnih nastavaka (14 m l cab 43 m); bolja prilagodljivost imperfekcijama konstrukcije; mogućnost zamene tokom eksploatacije, pojedinačnih strukova ili kabla u celini (struk po struk). Vertikalne (V) ili dijagonalne (NW) vešaljke? Prednosti dijagonalnih vešaljki: izuzetno kruta konstrukcija mosta, θ θ lim, θ NW 0,5 θ V. Prednosti vertikalnih vešaljki: jednostavnija geometrija mosta; jednostavnija montaža. 14

Racionalnost konstrukcije: Izbor kolovozne konstrukcije Spregnuta ili čelična kolovozna konstrukcija? Prednosti spregnute konstrukcije: bitno niža cena; veća otpornost na zamor; manja buka pri saobraćaju; mnogo manja opasnost od zaleđivanja; lakše i jevtinije održavanje. Za lukove sa zategom posebni uslovi DIN-Fb 104:2009 za kolovoznu spregnutu ploču. Prednosti čelične ortotropne ploče: manja težina konstrukcije. ŽDM Novi Sad, februar 2014. 15

Racionalnost kolovozne konstrukcije: Uslovi i krajnji rezultat Uslovi DIN-Fachbericht 104:2009 za lučne mostove sa zategom i kolovoznom pločom u zategnutoj zoni Podužna armatura: d S,L 20 mm, 100 mm e L 150 mm, μ 0,70% Podužna armatura u sredini ploče: d S,L 25 mm, 100 mm e L 150 mm, μ 0,70% 300 mm Poprečna armatura: d S,T 16 mm, 100 mm e T 150 mm, μ 2,50% ŽDM Novi Sad, februar 2014. Uslov Ril 804:2003 za beton in-situ: C25/30 Klasa betona C40/50 Ostvaren rezultat: beton, t c = 300 mm, kod spregova 400 mm; armatura 115 kg/m 2 ; poprečni nosači: 90 kg/m 2 ; moždanici sa glavom: 7,7 kom/m 2. 16

Racionalnost konstrukcije: Količine materijala za konstrukciju Materijal Količina Specifična količina Čelična konstr. 10.200 t Ceo most 684 kg/m 2 Sekund. čel. kon. 400 t Ceo most 27 kg/m 2 Kablovi 200 t Lučni most. 16 kg/m 2 Beton kolov. kon. 3.800 m 3 Kolov. kon. 0,38 m 3 /m 2 Armatura kol. kon. 1.200 t Kolov. kon. 121 kg/m 2 Moždanici 77.000 kom Kolov. kon. 7,7 kom/m 2 Čelična konstruk. Most 177 m 3777 t /3 kol. 7,11 t/m/kolos. Most 219 m 5116 t /3 kol. 7,79 t/m/kolos. 3 koloseka, gr27 3 0,75LM71 = 180 kn/m < < LM71+ SW/2 + LM1= 271 kn/m 17

Tona po metru koloseka Racionalnost konstrukcije: Količine materijala za konstrukciju. Istorijski osvrt Melan/Horowitz, 1905. Raspon [m] Masa konstrukcije mosta direktno utiče na njegovu cenu. Primer statističke obrade podataka o masi železničkih mostova iz više zemalja. Literatura 1905. 18

Racionalnost konstrukcije: Količine materijala za konstrukciju Poređenje sa lučnim železničkim mostovima u svetu Dobro poklapanje sa procenom. Dostignut cilj minimuma materijala. 19

Racionalnost konstrukcije: Količine materijala za konstrukciju Poređenje sa grednim železničkim mostovima u svetu 20

Racionalnost konstrukcije: Koštanje mosta EUR/m 1 koloseka Poređenje sa lučnim i grednim železničkim mostovima u svetu Primedbe: Most u NS računat sa 2,5 koloseka. Most Kalafati-Vidin računat sa 1,6 koloseka. HS = High speed = Velike brzine, V > 200 km/h P 380 L [EUR/m 1 /kolosek] L = L m, L A [m] 21

Racionalnost konstrukcije: Koštanje mosta EUR/m 2 Poređenje sa lučnim i grednim železničkim mostovima u svetu Grede: P G 75 L m [EUR/m 2 ] Lukovi: P A 44 L A [EUR/m 2 ] L m, L A [m] 22

Koštanje ŽDM u NS u poređenju sa drugim mostovima u Srbiji Napomena: Podaci o koštanjima mostova su iz medija, pošto ih nema na oficijelnim sajtovima investitora osim za ŽDM u Novom Sadu.? 23

Koštanje ŽDM u NS u poređenju sa drugim mostovima u Srbiji Ocena cene mosta može se dati posle sagledavanja: specifičnog koštanja [EUR/m 2 ] ili EUR/m 1 / kolosek; veličine raspona i područja dužine raspona; veličine saobraćajnih opterećenja; odnosa dužina dela mosta na suvom (obalama) i dela nad vodom; geomehaničkih uslova fundiranja; izbora osnovnog sistema konstrukcije. 24

Koštanje ŽDM u NS u poređenju sa drugim mostovima u Srbiji Poređenje po specifičnom koštanju i saobraćajnom opterećenju?? 25

Koštanje ŽDM u NS u poređenju sa drugim mostovima u Srbiji Poređenje po % dužine preko reke i najvećem rasponu? 26

Racionalnost konstrukcije i koštanje ŽDM u Novom Sadu ŽDM u Novom Sadu je: racionalna konstrukcija sa minimalnim specifičnim utrošcima materijala; Izuzetno jevtin most u odnosu na slične mostove u svetu; jevtiniji, ili nesrazmerno malo skuplji od relativno uporedivih drumskih mostova u Srbiji. 27

Erection of the bridge Montaža mosta Žeželjev most,1960, L =211 m Oder Bruecke, 2008, L= 104 m Fehmarnsund Bruecke,1961, L= 248 m Lake Champlain Bridge, 2011, L= 150 m Fremont Bridge,1973, L= 383 m ŽDM Novi Sad, L= 219 i 177 m Aleksandar Bojović: Railway Road Bridge in Novi Sad 28

Osnovne faze montaže / Basic erection phases Assembling / Sklapanje Cable stays installation Montaža kablova Launching / Lansiranje Concreting, permanent loads Betoniranje, stalni tereti Aleksandar Bojović: Railway Road Bridge in Novi Sad 29

Step 1: Assembling / Korak 1: Sklapanje Ties + Cross beams + Bracings Zatege + Poprečni nosači + Spregovi Welded connection joints, quality B+ Temporary columns under arch connection joints Aleksandar Bojović: Railway Road Bridge in Novi Sad 30

Step 2: Cable stays installation / Korak 2: Montaža kablova Start state: Structure assembled, temporary structures removed; Ties on temporary supports. Adjustable end of cable Cable stay installation: a) Lowering of ties to the level equal to the uplift displacements arising of cable prestressing forces; b) Installation of cable stays inclined to the right; c) Installation of cable stays inclined to the left; d) Bridge structure is on 4 supports. Fixed end of cable Aleksandar Bojović: Railway Road Bridge in Novi Sad 31

Step 3: Temporary columns for launching Korak 3: Privremeni stubovi za lansiranje Bridge 3B-4 L = 219 m Installation of Temporary columns for launching (TCL): a) Supports on TCL-location under the ties; b) Installation of TCL around the cables. Mases for launching: Bridge structure = 5324 t Secondary structures inside = 124 t TCL = 264 t Total = 5712 t Aleksandar Bojović: Railway Road Bridge in Novi Sad Montaža privremenih stubova za lansiranje (TCL): a) izrada oslonaca ispod zatega na mestu TCL; b) montaža TCL oko kablova. 32

Step 4: Transfer of supports to Pier 4 and BS-4 Korak 4: Prenošenje oslanjanja na stub 4 i BS-4 Bridge 3B-4 L = 219 m min δ Z = -226 mm; -282 mm Activating of supports on Pier 4 and at BS-4: a) Removal of supports under TCL; b) Activating of supports on Pier 4 and at BS-4. The cable stays were calculated acc. to Third Order Theory, (analysis with large cable sags) with E Q = 195000 N/mm 2. The anchorages rotations were also analyzed. Aktiviranje oslonaca na stubu 4 i kod BS-4: a) uklanjanje privremenih oslonaca ispod TCL; b) aktiviranje oslonaca na stubu 4 i kod BS-4. Aleksandar Bojović: Railway Road Bridge in Novi Sad Compressed cable, f = 1764 mm 33

Step 5: Transfer of supports to skids Korak 5: Prenošenje oslanjanja na sanke Bridge 3B-4 L = 219 m Skid / Sanke TCL-302 and bracing Platform min δ Z = -182 mm Loads during launching: G 1,a, F W, T, A E. Aleksandar Bojović: Railway Road Bridge in Novi Sad 34

Step 6: Transfer of supports to barges and skids at BS-4. Korak 6: Prenošenje oslanjanja na barže i sanke kod BS-4 Skid / Sanke Skid + Platform Subcontractor for launching: Mammoet, Rotterdam. Aleksandar Bojović: Railway Road Bridge in Novi Sad 35

Step 7: Final location. Transfer of supports to End cross beams. Korak 7: Krajnja lokacija. Prenošenje oslanjanja na krajnje poprečne nosače Bridge 3B-4 L = 219 m Transport to the final position. Transfer of supports to end cross beams (ECB). Supports under ECB on skids and then the transfer to wooden pads. At Pier 4 At Pier 3, (also 4) Aleksandar Bojović: Railway Road Bridge in Novi Sad 36

Step 8 and 9: Transfer of supports to baerings and rest of works. Korak 8 i 9: Prenošenje oslanjanja na ležišta i preostali radovi Bridge 3B-4 L = 219 m Transfer of supports from ECB to ties: 1) Supports under diaphragms for bearings replacement; 2) Transfer of supports to bearings. Step 9: Rest of works: Dismantling of TCL. Check of hangers forces. Concreting of deck slab. Ballast, asphalt equipment and accessories. Final check of hangers forces Aleksandar Bojović: Railway Road Bridge in Novi Sad 37

Bridge in Novi Sad and similar rail bridges in the world Most u Novom Sadu i slični želez. mostovi u svetu Rank Trussed tied arches Arches with tie as girder 1 Wanzhou Bridge China, 2005, 360 m, 1 track 2 Dashengguan Bridge China, 2005, 336 m, 6 tracks 3 Hell Gate Bridge USA, 1918, 298 m, 3 tracks Caiyuanba Bridge China, 2009, 420 m 2 tracks M + 6 lanes Yiwan Bridge China, 2008, 275 m, 2 tracks Hammer Bridge Germany, 1987, 250 m, 4 tracks M = Metro; NW = Network hangers Teid arches 1 track Fehmarnsund (NW) Germany, 1963, 248 m, 1 track + 2 lanes Main Bridge Germany, 1993, 160 m, 1 track Vahldorf Bridge Germany, 2005, 150 m, 1 track Tied arches 2 tracks RRB Novi Sad (NW) Serbia, 2015, 219 m 2 tracks + 2 lanes RRB Novi Sad (NW) Serbia, 2015, 177 m 2 tracks + 2 lanes Ogatayama Bridge (NW), Japan, 1995, 139 m, 2 tracks Aleksandar Bojović: Railway Road Bridge in Novi Sad 38

Railway Road Bridge in Novi Sad: Participants Železničko-drumski most u Novom Sadu: Učesnici Financing Contractor Delegation of the European Commission to the Rep. Serbia Autonomy Province of Vojvodina Municipality of Novi Sad. JV Azvi, Taddei, Horta Coslada Subcontractors for designing Subcontractors for construction Azvi S.A., Seville, Spain Taddei S.p.A., L Aquila, Italy Horta Coslada S.L., Madrid. Spain Detailed design of the bridge structure: DEL ING d.o.o., Belgrade, Serbia Detailed design of the foundation and piers: ENCODE d.o.o., Belgrade, Serbia Assembling of the steel structure and Pier 3: Mostogradnja a.d., Belgrade, Serbia Cable stays: VSL Ltd., Switzerland / Poland Launching: Mammoet, Rotterdam, Netherland Bearings and expansion joints: FIP Industriale S.p.A., Servazzano, Italy Aleksandar Bojović: Railway Road Bridge in Novi Sad www.azvi.es www.gruppoedimo.it/taddei www.deling.rs www.mostogradnja.rs www.vsl.com www.mammoet.com www.fip-group.it 39

Railway Road Bridge in Novi Sad: Participants Železničko-drumski most u Novom Sadu: Učesnici Team Role Persons Contractor (JV Azvi Taddei Horta Coslada) Bridge structure design (DEL ING) Foundation and piers design (ENCODE) Engineer (JV DB International, Egis International) Project Manager Deputy Project Manager Engineering Department Manager (until 2013-08) Engineering Department Manager Lead Bridge Structure Design Engineer Design Engineers Associate Design Engineers Lead Foundation and Piers Designer Design Engineer Engineer s Project Team Leader Chief Check Engineer Resident Chief Supervising Engineer Antonio Mora, M.Sc.CE Luciano Casasola, M.Sc.CE Jorrit Blom, M.Sc.ME Lazar Pavić, M.Sc.CE Aleksandar Bojović, M.Sc.CE Zlatko Marković, Prof. Ph.D.CE Dimitrije Aleksić, M.Sc.CE Marko Pavlović, Ph.D.CE, Milan Spremić, Ph.D.CE Novak Novaković, M.Sc.CE, Uroš Kostić, M.Sc.CE Boško Janjušević, M.Sc.CE Damir Peco, M.Sc.CE Ivan Bojović, M.Sc.CE, Stevan Šijan, M.Sc.CE Dragi Marjanović, M.Sc.CE Goran Tadić, M.Sc.CE Stanislav Kolundžija, M.Sc.CE Aleksandar Bojović: Railway Road Bridge in Novi Sad 40

Railway Road Bridge in Novi Sad Železničko-drumski most u Novom Sadu Thank you for your attention! Hvala na pažnji! Aleksandar Bojović: Railway Road Bridge in Novi Sad 41