Bridge and deck construction
Our portfolio of methods
1/ In situ construction
- Incremental launching
- Cast-in-place cantilever
- Construction on scaffolding
2/ Precast segmental erection
- Balanced cantilever erection with launching gantry / lifting frames / cranes
- Span by span erection with launching gantry / on falsework
- Precast girder erection
- Full span precast method
3/ Heavy lifting and handling of structures
- Heavy lifting: strand lifting, precision jacking
- Sliding techniques: autoripage, autofonçage, airpad sliding, lateral sliding
- Rotation systems
- Special formwork
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1946First development and use by Freyssinet of industrialized methods for bridge erection, for the Luzancy bridge
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320+Number of cable-stayed bridges where Freyssinet has been involved
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70+Number of bridges built in situ by Freyssinet
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50+Number of precast bridge decks erected by Freyssinet
Why choose Freyssinet
Hundreds of bridge and deck construction projects around the world for over 70 years, small to large-scale.
Applicable to:
- In situ construction
- Precast segmental erection
- Lifting and handling of structures
Including:
- Choice of construction method
- Optimization of superstructure design and construction method
- Design & supply of equipment and temporary structures
- Erection of the superstructure, equipment operation, concrete casting, prestressing
- Finishing work, including installation of structural fittings
- Maintenance and repair services
Proven ability to propose and implement alternative designs and methods to achieve the best possible value at the lowest life cycle cost.
Under the leadership of our Major Project Department for the largest and most complex projects, our specialist supervising teams are able to manage safely the construction project within budget and on time, taking into account all technical and environmental factors.
Bridge and deck construction
A global approach to bridge construction
Selection of construction method
- Structural design of substructure and superstructure
- Material quantities and specifications
- Review of options for the construction methodology
- Assessment of temporary works and special equipment requirements
- Phasing of works
- Cost estimates for budgeting
- First approaches to project, quality and safety management
Optimization of construction method & equipment
- Construction engineering
- Assistance to designers in reviewing all details that will facilitate construction
- Development of temporary works and special equipment
- Detailed methods of construction
- Integrated shop drawings for the fabrication of the superstructure
- Integration of post-tensioning with all associated drawings and details
- Design of temporary works associated with precast yards and molds
Execution
As a main contractor, subcontractor or through innovative partnership agreements, our teams are able to execute construction project efficiently, in compliance with specifications, costs, deadlines and quality:
- Mobilisation of an experienced project team
- Supply and operation of the temporary works for the precast yard and the superstructure construction
- Project and risk management and effective coordination with the various stakeholders
Monitoring and maintenance
Our teams can assist in monitoring the structure, advise on maintenance activities and help anticipate repair interventions and costs:
- Define the most suitable monitoring scheme, assess its cost
- Supply monitoring hardware and software
- Provide training and handover
- Inspect the structure and issue recommendations
- Propose and implement repair or strengthening plans if required
Our references
Build
Turkey
Ihsaniye viaduct incremental launching
Important savings in raw material and optimized execution planning were some of the many advantages of the alternative solution proposed by Freyssinet to build the Ihsaniye viaduct.
Build
Hong Kong
TMCLK Link in Hong-Kong: balanced cantilever erection
As part of the design-build project for a set of precast segmental bridges, choice of the erection method was key to its achievement. Opting for the balanced cantilever erection with launching gantry made the difference.
Build
Turkey
Çayırköy viaduct incremental launching
While incremental launching was the most appropriate method to construct the viaduct, it required complete rethinking to adapt to the project’s unusual configuration.
Build
Australia
Adelaïde Superway erected with a launching gantry
Connecting north and south Adelaïde, the South Road Superway includes a 2.8-km elevated roadway. Freyssinet proposed the balanced cantilever erection with launching gantry as the most beneficial construction method.
New build
Hong Kong
Yuen Long Station LTR footbridge erection
The project involves the construction of two 50m-long bridges above the light rail tracks, in non-traffic hours only, making the use of conventional erection method impossible.
Build
UK
Immingham bridge: underpass autofonçage
Meticulous contingency planning and an innovative underpass bridge sliding technique were the keys that enabled a crucial railway line to reopen on time despite the British weather.
Build
Hong Kong
Lian Tang interchange highway erection
Cantilever erection by lifting frame was the preferred construction method to build the four precast segmental viaducts of the Lian Tang interchange highway located next to Kiu Tau, Fanling.
In situ construction methods
Learn morePrecast segmental erection methods
Learn moreIn situ construction methods
Learn morePrecast segmental erection methods
Learn moreContact us
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