Commodore Barry Bridge

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Solutions & Technologies

The Commodore Barry Bridge spans over the Delaware River from Chester PA to Bridgeport NJ. Originally constructed in 1969 and named after the Revolutionary War Hero from Philadelphia John Barry. This bridge is a cantilever truss bridge which was commonly built during those times.

 

Challenge

The existing roadway was in need of rehabilitation, and Ductal® Overlay was selected due to the durability and service life improvements of using the superior technology. Challenge was to remove the deteriorated concrete using Hydro-demolition, to provide a sound surface for the Overlay solution to bond to. Batched on site the solution provided a well consolidated finish that suited the required slopes over the entire structure

Discover our projects

 

IA 163 Floyd River Bridge

In partnership with Iowa State University and Iowa State DOT, with participation from Wapello and Buchana counties in Iowa, this project was the first to implement overlay application of UHPC using automated paver system brought by Walo from Europe.

 

Zurich Airport railway station

The four tracks of Zurich Airport's underground railway station have been renovated and lowered without interrupting traffic.

 

Delaware Memorial Bridge

In 1951, the Delaware Memorial Bridge was opened to traffic allowing commuters to navigate over the Delaware River on a 3,650 ft (1,112 m) long state-of-the-art suspension bridge.

 

Chillon Viaducts

The Chillon Viaducts have been reinforced by an Overlay of Ductal® UHPC. Thanks to its mechanical characteristics and its durability properties, Ductal® was the only material able to provide an efficient retrofitting preserving the bearing capacity of the bridge, a lower maintenance cost and a quick retro commissioning of an important axis of the Swiss highway network. The two Chillon Viaducts are among the most spectacular infrastructure works of the Swiss highway network. Ductal® was prescribed for the reinforcement of the two decks (2.2 km long by 12 m wide each). The implementation of thin layer of Ductal® (4 cm thick) with rebars, allowed the strengthening of the bridge decks for shear loads, bending, and fatigue while ensuring the waterproofing of the surface.

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