Unibridge® prefabricated modular bridge

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RAILWAY BRIDGES

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As well as being pre-designed against a range of standard international live loads e.g. Eurocodes, AASHTO,
British Standards and Australian Standards, the Unibridge® system can also accommodate abnormal vehicles and railway loads.
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UNIBRIDGE® FLYOVER

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Utilising standard Unibridge® components a flyover can be constructed over existing roads or junctions.
Supported on either concrete or steel piers, the Unibridge® flyover system is quick to manufacture, deliver and install.

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RENTAL BRIDGES

Within Europe the Unibridge® can be rented to provide a temporary bridge for a wide range of situations.
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MINING BRIDGES

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Unibridge® is constructed from a series of prefabricated box girders either 11.4m or 6m length.
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EMERGENCY BRIDGES

Comprising of a minimum number of different components the Unibridge® can be erected in a short time in response
to a natural disaster or other event where current infrastructure has been damaged and needs immediate replacement.

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TEMPORARY BRIDGES

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Unibridge® is capable of carrying a wide range of commercial and industrial vehicles.
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PERMANENT BRIDGES

Unibridge® has been pre-designed against a range of international
loads e.g. Eurocodes, AASHTO, British Standards and Australian Standards.
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MARINE ACCESS BRIDGES

Access from ship to shore can be made using
a section of Unibridge® spanning between land and an articulating platform.

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UNIBRIDGE® FOOTBRIDGES

Using the same core components as for our road bridges, a footbridge can be constructed using a single line
of standard Unibridge® box girders together with footwalk bearers attached in cantilever.

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UNIBRIDGE® FOR RURAL AND FEEDER ROADS

Unibridge® components can be transported in ISO containers and on standard trucks and trailers.

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MILITARY BRIDGES

With the capability of carrying loads up to and including MLC150W at 50m span,
Unibridge® can meet the requirements for carrying both military and civilian vehicles over single span and multiple span bridges.

 

What is Unibridge® ?

 

Unibridge® is a pre-designed and prefabricated modular steel bridge system. It is a simple, robust and durable structure suitable for use in emergency situations and as a permanent bridge. Unibridge® is a modular predesigned and prefabricated steel bridge system. It has been designed for international load classes and can be built in single lane or multi-lane road width. It uses either a steel deck system with anti-skid coating or concrete deck. All structural members are underneath deck level thereby avoiding the possibility of vehicle collisions with the structural members.

 

Unibridge® is constructed from prefabricated girders either 11.4m or 6m length. They are pinned end to end and connected transversely with spacers which allows for the installation of a steel deck with anti-skid coating or a concrete deck in-situ. The prefabricated girders are provided in three different heights (1m, 1.25m and 1.6m) and the span of the bridge dictates which girder to use:

 

Bridge lengthSpan between bearingsDepth of box girder
11,4m10,6m1m
17,4m16,6m1m
22,8m22m1m
28,8m28m1,25m
34,2m33,4m1,25m
40,2m39,4m1,6m
45,6m44,8m1,6m

 

Multi-span bridges can be built to achieve bridge lengths >45.6m. As with single span bridges, Unibridge® multi-span bridges can be cantilever launched from the home bank to the far bank.

Features:
Comprising of a minimum number of different components the Unibridge® can be deployed quickly to site and rapidly erected.
• All bridge connections are made with either pins or bolts and there is no need for any specialist tools such as pneumatic or electric powered tools. All tools are hand operated. There is no on-site welding.
• Unibridge® is routinely launched across gaps using a launching nose and equipment without the need for temporary supports.
• Unibridge® has been designed to accommodate a range of live loads e.g. AASHTO, Eurocode, British Standards and all Unibridge® structures are capable of carrying these loads.
• The bridge is designed for 100 year design life with a fatigue life of 1,000,000 cycles of the appropriate Eurocode vehicle.
• Unibridge® is capable of accommodating abnormal loads, both oversized and overweight vehicles, and the structural members are underneath the deck level with no chance of vehicle collision or damage.
• Unibridge® does not require the addition of reinforcement members depending on the span and load configuration.
• The installation of modular steel deck system with anti-skid system or concrete deck in-situ or concrete desk pre-cast.
• Footwalks or walkways can be specified.
• Parapets are provided which define roadway width.

 

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