개요

개요

위치(Location)

• 인천광역시 서구 경서동(장도)~중구 운북동(영종도)
• Inchon City, Seo-Ku, Kyong Seo-Dong (Jang Do)~Chung-Ku, Woon Puk-Dong (Yongjong Do)

공사기간(Construction Priod)

• 95.11~2000.11(60개월/60month)

공사비(Construction Cost)

• 약 8,130억원
• Approx. 813,000,000,000Won

설계기준(Design Specifications)

• 설계속도:도로100Km/hr, 철도110Km/hr
• 설계하중:도로 DB-24, 철도 Q25
• 항로조건:폭 200m, 높이 35m
• 기본풍속:40m/sec
• 설계진도:0.14G
• Design Speed:Highway 100Km/hr ,Railroad 110Km/hr
• Design Load:Highway Load DB-24,Rail Load Q25
• Sea Lane Specifications:Width 200m, Vertical Clearance 35m
• Average Wind Velocity:40m/sec
• Design Seismic Intensity:0.14G

규모(Size)

• 현수교(Suspension Bridge):125+300+125=550m
• 트러스교(Truss):6×(3@125)=2,250m
• 강상형교(Steel Box Girder Bridge)
• 영종도측(Yongjong Side):1,140m
• 인천측(Inchon Side):480m
• 교각:49기(교대2기 포함)/49Piers(including 2 abutments)

주요자재(Main Materals)

• 콘크리트(Concrete):약 346,000㎥
• 철근(Reinforcements):약 42,500Ton
• 강재(Steel):약 149,000Ton
• 케이블(Cable):약 1,324Ton

현수교(Suspension Bridge)

• 상부구조:2층 Warren트러스(도로+철도병용)
• 주탑:다이아몬드식 강구조
• 하부구조:주탑부-뉴매틱케이슨,단부-현장타설말뚝(Ø1,500mm) (단부가물막이 공법:강관 Sheet Pile)
• 주케이블:용융 아연 도금 평행 강선 케이블(A/S공법) 1 cable=14strands=6,720wires(480wires=1 strand)
• 행거:84mm CFRC(Center Fit Rope Core)
• Superstructure:Double Deck Warren Truss (Roadway and Railway)
• Main Tower:Diamond Shaped
• Susbstructure Main Towers : Pneumatic Caissons End Piers : Cast-in-place pile(Ø1,500mm) (Temporary Cofferdam for End Piers:Steel Pipe Sheet pile)
• Cable:Galvanized parallel wire cable (A/S system) 1 cable=14 strands=6,720wires (480 wires=1 strand)
• Hanger Rope:84mm CFRC (Center Fit Rope Core)

트러스교(Truss Bridge)

• 상부구조:2층 WARREN 트러스(도로+철도병용)
• 하부구조:현장타설말뚝(Ø1,500mm) (가물막이 공법:강관 Sheet Pile)
• Superstructure:Double Deck Warren Truss(Roadway and Railway)
• Substructure:Cast-in-place pile (Ø1,500mm) (Temporary Cofferdam:Steel Pipe Sheet Pile)

강합성교(Steel Box Girder Bridge)

• 상부구조:강상형
• 하부구조:현장타설말뚝(Ø1,000mm)
• Superstructure:Steel Box Girder
• Substructure:Cast-in-place pile (Ø1,000mm)

영종대교/공사공정표

영종대교/주요자재총괄표