Minimizing The Environmental Impact Of Bridge construction ...
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UNITED CONTRACTORS, INC. Washington Bypass US 17 A HOCHTIEF Company FLATIRON/UNITED, JV. AASHTO Subcommittee on Construction Conference Minimizing The Environmental Impact Of Bridge construction Over Wetlands And Rivers New Top-Down Bridge Construction Chicago, Illinois August 4 th 2009
Transcript of Minimizing The Environmental Impact Of Bridge construction ...
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
FLATIRON/UNITED, JV.
AASHTO
Subcommittee on Construction
Conference
Minimizing The Environmental
Impact Of Bridge construction
Over Wetlands And Rivers
New Top-Down Bridge Construction
Chicago, Illinois
August 4th
2009
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
FLATIRON/UNITED, JV.
Project Team
• Project Owner: North Carolina DOT
• Design-build Team: Flatiron/United JV
• Engineer Of Record: Earth Tech / AECOM
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
FLATIRON/UNITED, JV.
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
FLATIRON/UNITED, JV.
Tar River Bridge
• 3 Miles Long Bridge 72’ wide for typical span
• Over Wetlands and the Tar River
• Precast Concrete 30” Square Hollow Piles
• Precast Match Cast Segmental Pier Cap
• Precast Concrete Girders Mod 72” Bulb T, 120’ Spans
• Cast-in-Place Deck with Stay-In-Place Forms
• Top-Down Bridge Construction Without Trestles or Cranes
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
FLATIRON/UNITED, JV.
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
FLATIRON/UNITED, JV.Bridge 2
US 17 Over Tar River
Patent Pending
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
1) •A pile is delivered to the Overhead Truss and positioned
in the pile driving lead. US Pat. 7,520,014
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
2) •The pile is rotated in the lead.
US Pat. 7,520,014
Pile Driving
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
3) •The pile driving lead is tilted and the pile is
positioned on locationUS Pat. 7,520,014
Pile Driving
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
4) •The pile is driven using the hammer mounted to the fixed tilting
lead
US Pat. 7,520,014
US Pat. 7,520,014
Pile Driving
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
5) •The remaining piles are driven while the previous span deck SIP
panels and rebar are being installedUS Pat. 7,520,014
Bent Cap
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
6) •The precast bent shell sections are positioned and secured to
the piles
Bent Cap
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
7) •The previous span deck is poured and the Launching Truss is
prepared to move to the next span.
Deck Pouring
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
8) • The girder is erected and secured using the two overhead
trolleys
Girder Erection
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
9) •The remaining girders are being erected and secured
Girder Erection
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF Company
US Pat. 7,520,014
Washington Bypass US 17
Construction Methodology: Pile Tilting
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
A HOCHTIEF Company
UNITED
CONTRACTORS,
INC.
Washington Bypass US 17
Construction Methods
A HOCHTIEF CompanyUS Pat. 7,520,014
Washington Bypass US 17
