韩国釜山沉管隧道

Three Pylon cable stayed bridge
Main span : 230M / Navigation clearance: 36M / Pylon Height : 102M
Geoje Island
Ⅲ. Facts and Figures (Segments / Elements)
▶ Typical Cross section
Shear Key
t=1.35m t=0.58m
Shear Key
Shear Key
t=1.33m
Ballast Concrete Ballast Concrete
<Elements> Quantity: 18 No.(3.24km) Length : 180m (8x22.5m segments) Weight : approximately 54,000t <Segments > Width : 26.46m, Length : 22.50m, Height : 9.97m <Main materials> Rebar: 430t/seg. (E1,2) & 330t/seg (E3,4) Concrete : 2,264㎥/segment Strand : 132 t/element Steel cast-in items : 1,100 t/element
Start point : Yuhori, Jangmockmyun, Kyungnam, Geojesi
Key data

End point : Chunsungdong, Gaduckdo, Kangseogu, Busans
2 Roadway lanes in each direction Immersed tunnel 2 x Cable stayed bridge 4 x Approach bridges 2 x Bored tunnels
Ⅳ. Element Production
▶ Concrete placing and curing
◀Concrete placing (24 hours continuous working)
Dock Gate (Floating) Dry Dock
Site office
Area of Yard (329m × 870m)
Item Dry Dock Element production Mooring area Area for bridge substructure Bridge Caisson construction Bridge Pier construction T. T. P construction
Precasting for
Immersed Tunnel Segment
Kadeok-do
Geoje -do
2009. 06.
Busan-Geoje Fixed Link Project
- CONTENTⅠ. Project Overview
Ⅱ. Location
Ⅲ. Facts and figures Ⅳ. Element Production
Size L = 474m, W = 145m ( EL = -11.15 ) W = 26.46 ~ 28.46m, H = 9.97m, L=180m L=556m, W=217m L = 268 m, W = 50 m H = 10~34 m ( 1,140~9,800ton ) H = 14~37 m ( 1,260~3,500ton ) 4 ton ~ 72 ton
2004.12.10 ~ 2010.12.09 (Construction: 6years, Concession : 40years)
Designer

Contractor

DAEWOO E&C DAELIM DOOSAN Industrial Development SK Engineering & Construction KDC HANIL WONHA Construction
Gaduk Island
Temporary Mooring Area (37Km from Gaduk)
Kosung
Anjeong Yard (Immersed Tunnel Elements & Bridge Substructure)
Geoje Island Geoje
Immersed tunnel and Cable stayed bridges
Comments
8 spans placed Starts soon Substantially completed
※. Cable stayed bridge
○ 2 Pylon Bridge
Item Design Completed Being built Not started
Caisson 11 11 1 -
Size L = 250m, W = 100m, Total : 140000M² 1Spans lengths from 49 ~ 90 m W = 10.35 ~ 12.35 m , L = 4 m Core-Loc 12Ton, Accropode 25, 35, 50 Ton
Quantity 1 30 702 5,473
Dismantle inner access platforms
Move formwork launching girder, Install inner forms
Repetitive work
Fix upper wall & top slab rebar and install steel cast-in items
Quantity 1 18 1 1 23 22 8,600
Comment Max. 5 elements at one time 8 complete, 5 @ 70% complete Max. 6 elements at one time
Completed Substantially completed Artificial island now completed
○ Eastern Portal (Gaduk island)
Ⅳ. Element Production
< Flow Chart >
Set plywood on support slab
Erect rebar access platforms, Fix bottom slab & lower wall rebar Install steel cast-in items
Ⅲ. Obi Pre-Casting yard
○ Overview
-Location : Obi Industrial complexes , Kyungnam -Area : Approx. 130,000 m²
<Accropode>
<Core-Loc>
Item Superstructure work area Approach bridge spans Pre-cast deck panels for cable-stayed bridges Element protection works
Ⅳ. Element Production
▶ Formwork System (Kumkang Doka)
Rain Shelter Outer Form Inner Form Launching Girder
Ⅳ. Element Production
▶ Set plywood, Erect rebar access platforms, Fix bottom slab & lower wall rebar
: 44.6% : 21.3% : 13.6% : 8.0% : 5.7% : 5.3% : 1.5%

COWI in JV with 5 Korean consultants
Project cost
Total project cost : $1.4Bil. (based on December 1999 prices) Government subsidy : $0.4Bil. Private investment : $1Bil.
Ⅴ. Warping, Towing and Mooring
Ⅵ. Immersion Works Ⅶ. General background items
Ⅰ. Project Overview
Project name

Location

Busan-Geoje Fixed Link Project
Obi Yard (Bridge Superstructure)
Sinhyun Tongyeongi
Birds eye view
Gaduk Island
Immersed Tunnel (3.7KM)
Two Pylon cable stayed bridge Main span : 475M / Navigation clearance: 52M / Pylon Height : 156M
Pier 11 4 5 2
○ 3 Pylon Bridge
Item Design Completed Being built Not started
Caisson 12 12EA 1 -
Pier 11 3 8
※. Immersed Tunnel
○ Western Portal (Jungjuk island) < Main Works> 1. Dredging and foundations 2. Immersing and backfilling 3. Internal works in the elements 4. Cut & Cover tunnel construction - East : 170m - West : 170m
t=1.33m
▶ Elevation
PRIMARY END SECONDARY END
9.97m
S1 22.5M
S2
S3
S4百度文库180M
S5
S6
S7
S8
[Element]
Ⅲ. Anjeong Pre-Casting Yard
○ Overview
-Location : Mooring Area -Key data : Anjeong National Industrial Kyungnam Tongyeong Overall area approx. 250,000 m² Dry dock volume 100,000 m²
Rebar work platform
Bottom plywood
Ⅳ. Element Production
▶ Move Launching Girder and Set Inner Form
Ⅳ. Element Production
▶ Fix upper wall & top slab rebar, Install steel cast-in items, Erect stop end and outer forms, prepare for concreting
Dismantle rebar access platforms, Inspect rebar etc.. Erect stop end and outer forms
Do final inspection and prepare for placing concrete
Place concrete (24hr) and Cure (5 days)
: L=8.2Km, B=20.5m : 3.7km : 1.6km : 1.9km : 1.0km
Concessionaire

GK Fixed Link Corporation
Supervisor

Construction Period

Yooshin Engineering Corporation
Ⅱ. Location
Changwon`
Masan
Overall Project L=8.2km
Busan
Cable Stayed Bridges & bored tunnels L=4.5km
진동 Naval base Jinhae
Immersed Tunnel L=3.7km
Project section