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Description :
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Steel bridge supervision service for Approach Road construction project of Yeosu national Ind. complex(work section#3) |
Bridge Name :
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Yi Sunshin Bridge |
Owner :
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Jeollanam-do, Steel bridge supervision service for approach road construction project of Yeosu national Ind. complex(work section#3) |
Client :
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Dong-A Engineering Co., Ltd./Hankook Tech. Development Co., Ltd. |
Prime Vendor :
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Daelim C&S Co., Ltd. |
Remarks :
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• Project Name : Steel bridge supervision service for Approach Road construction project of Yeosu national Ind. complex(work section #3)
• Service Duration : Sep. 2009 ~ Dec. 2011
• Constructor : Daelim E&C, Hyundai E&C
• Supervision Company: Hanguk Technology Development Co., Dong Ah Technical Consultant Co., Ltd.
• Location : Myodo-dong, Yeosu-si ~ Geumho-dong, Gwangyang-si, Jeollanam-do, Korea
• Overview : Total weight 23,000 ton, Three-span cable suspension bridge(total length 2,260m) & The World's highest concrete pylon & World's 4th longest span(1,545m), Span(357.5 + main span 1,545 + 357.5=2,260m), Width(29.1m, 4-lanes), World's 4th largest main span(sag-span ratio:1/9)
• Deck System : type(streamlined twin steel box), Height 3.05m, Depth/ width ratio 11.3%, Aerodynamic stabilizing system(streamlined twin steel box), Const. method(Swing method), Design wind velocity(62.8m/sec)
• Cable : type(2 PWS cables, fpu=1,860MPa), Section(main span : Ø5.35mm x 400 wires x 32 strands, A=0.288cm2, Side span : Ø5.35mm x 400 wires x 34 strands, A=0.306cm2), Diameter(main span : Ø683mm after wrapping, Side span : Ø704mm after wrapping), Const. method(Air Spinning), Weight 129,680KN
• Hanger : Wrapping(S-shape wire, t=3mm), type(CFRC, fpu=1,610MPa, 1660MPa, Section(Ø75, Ø85, Ø90 : 8 x WS(36)+CFRC, Arrangement(13@24.0, 31@24.0+2@13.5+31@24.0, 13@24.0), Weight 8,900KN
• Pylon : type(H-type concrete pylon), Height 270.0m, Const. method(Slip form)
• Scope of Work : Supervision of Steel bridge During Manufacturing & Erection (Steel bridge at Daelim, Cable Installation at site(Air Spinning Method), Castings such Tower Saddle/Splay Saddle/Cable Band with associated components at Samyeong M-Teck, Main Cable 및 Hanger Cable at KISWIRE
• Remark : This new 2,260m-long bridge connects Gwangyang and Yeosu, and the distance between pylons is 1,545m, the fourth longest in the world. It boasts the world's highest pylon of 270m. It also secures enough space underneath so that even 18,000TEU ship can pass freely.
The distance between pylons indicates the birth year of admiral Chungmugong Yi Sunshin, 1945.
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