Bridge repair and strengthening

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Bridges references

Repair
Philippines

Ayala bridge seismic protection upgrading

Significant savings in programme and budget were delivered when Freyssinet proposed an innovative rehabilitation scheme as an alternative to replacing this historic city-centre bridge in Manila.
Repair
France

Bouchemaine suspension bridge

A complex restoration project of a suspension bridge that required expertise, responsiveness, agility and a lot of imagination.
Repair
France

Canada bridge hangers replacement

Freyssinet was commissioned by the Côtes d'Armor Department to secure the structure in 2017, and then in 2018 for hangers replacement.
Repair
Chile

Colorado bridge beam replacement

One of the main beams of a bridge that crosses a key motorway in Chile had to be urgently replaced after it was irreparably damaged by an overheight vehicle.
Repair
UK

Cromarty bridge renovation

Tidal conditions and traffic management were the key constraints that had to be addressed by the team responsible for carrying out repairs to this critical network connection.
Repair
Netherlands

Ewijk bridge

Multi-strand cables were proposed as an alternative to locked-coil cables during renovation of the Ewijk Bridge in the Netherlands, delivering direct benefits for the renovation process.
Repair
UK

Hammersmith innovative post-tensioning system

Conventional solutions for strengthening a critical viaduct in west London proved impractical and led to the development of a ‘plug and play’ post-tensioning system and bespoke erection equipment.
Repair
Morocco

Hjar Ennhal bridge structural strengthening

As part of its asset management strategy, the Moroccan National Railways Office launched a programme to restore several engineered structures along the railway line between Tangiers and Sidi Kacem. Structural strengthening of the Hjar Ennhal bridge was a true challenge.
Repair
FRANCE

Ile de Ré bridge

When a prestressing tendon on the 3 km-long Île de Ré Bridge ruptured unexpectedly, Freyssinet’s team had to ensure that follow-up cable inspection and replacement could be done in safe conditions.
Repair
Mexico

La Canada bridge carbon fibre reinforcement

A tight timescale for repairing a highway bridge in Mexico was met by the use of a new high-capacity carbon fibre reinforced polymer that can be applied by dry lay-up.
Repair
Australia

LH Ford bridge reinforced to support additional load capacity

To fight its deterioration over time, a balanced cantilever box girder bridge in regional New South Wales was reinforced for additional load capacity using post-tensioning, and repaired under traffic in a complex and carefully managed procedure.
Repair
France

La Ricamarie bridge – Additional prestressing

Extending the lifespan of the viaduct by 100 years is what Freyssinet achieved after proposing a turnkey service to conduct heavy retrofitting works including additional prestressing, and completing them ahead of schedule.
Repair
Malaysia

Penang bridge stay cables replacement

Corroded stay cables on the only bridge to Penang Island were replaced under traffic – a world-first operation that was made more challenging by the lack of any redundancy in the system.
Repair
France

Pertuiset bridge – Stay cables replacement

Freyssinet's teams were enlisted to strengthen the deck, execute the 23 pairs of high-tech stay cables replacement and maintain structural fittings.
Repair
Spain

Rande bridge widening

A world first was implemented by Freyssinet and its partners to increase the traffic capacity of the Rande cable-stayed bridge. It consisted in connecting an additional steel deck on both sides of the existing one and supporting it with a new stay cable system.
Repair
Greece

Rion Antirion cable-stayed bridge lightning protection

When a bolt of lightning damaged the cable system, the cable-stayed bridge lightning protection had to be carried out along with the emergency replacement of one of the cables.
Repair
Madagascar

Sahasinaka masonry structure strengthening

Featuring a combined concrete and masonry structure, the Sahasinaka viaduct was built in 1934. As one of the pier foundations showed signs of subsidence, structural strengthening of the bridge was conducted by Freyssinet.
Repair
FRANCE

Saint-Cloud Viaduct – Cathodic Protection

To prevent corrosion on a 1,100-metre long structure, Freyssinet's teams installed a large-scale Impressed Current Cathodic Protection system (ICCP).

Buildings repair and strengthening

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Buildings references

Repair
France

Alpes-Maritimes Administrative Centre

To improve the building's safety, Freyssinet rolled out several complementary techniques as part of a design and build contract, whose total cost proved to be 34% less than the client's initial estimate.
Build/ Repair
Romania

Bucharest City Hall seismic protection

Bearings and dampers designed for seismic protection of an historic building in the city of Bucharest were so large they had to be shipped to a specialist laboratory in the USA to be tested.
Repair
Canada

Carpark post-tensioning replacement

A tightly-confined working area in an operational car park demanded careful planning for the post-tensioning replacement of a series of broken greased and sheathed monostrands in two underground deck slabs.
Repair
Jordan

Clemenceau Medical Center rehabilitation

Building rehabilitation project to turn a high-rise hotel building into a hospital facility, that needed extensive strengthening works to accommodate the revised loads.
Repair
UK

Eastbourne carpark structural strengthening

A novel precast shell system made of ultra high-performance fibre-reinforced concrete enabled extra floors to be swiftly added to a multi-storey car park without its operation being disrupted.
Repair
Turkey

Marmara Hospital base isolation

Design and installation of base isolation measures for a hospital in Turkey had to address the fact that the building was made up of sixteen blocks, all of varying heights and dimensions.

Heritage structures repair and strengthening

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Heritage structures references

Repair
New Zealand

Auckland heritage building reinforcement

An eye for detail and command of technology were key to ensuring that a major project to create a railway tunnel below one of Auckland’s historic buildings was completed without a hitch.
Build/ Repair
Romania

Bucharest City Hall seismic protection

Bearings and dampers designed for seismic protection of an historic building in the city of Bucharest were so large they had to be shipped to a specialist laboratory in the USA to be tested.
Repair
Spain

CACI factory structural strengthening

Refurbishment and structural strengthening of a reinforced concrete factory built in 1899 using the system pioneered by French engineer François Hennebique with the aim of adapting the plant to fulfil the client's new requirements.

Industrial facilities repair and reinforcement

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Industrial facilities references

Repair
France

Condat Group warehouse concrete repairs

In Chasse sur Rhône, south of Lyon, we have been contracted for vaults concrete repairs works for the CONDAT Lubricants factory. These works follow those carried out in 2009 following an explosion on the site. Over the last 10 years, the client has called on our teams five times.
Repair
Worldwide

CRH asset management partnership

An asset management system that can be used to remotely assess concrete silos and prioritise repairs was developed as part of a long-term partnership with materials manufacturer CRH.
Repair
NEW ZEALAND

Golden Bay Cement Silos

Extending the service life of the heavily damaged silos while preserving raw material resources was at the heart of the repair strategy Freyssinet designed for Golden Bay Cement, to ensure operations’ continuity.
Repair
Philippines

Preheater tower structural strengthening for the Bulacan cement plant

Structural strengthening works were needed to renovate the ageing prestressed concrete preheater tower of a plant to increase its bearing capacity before installation of new equipment.
Repair
Spain

CACI factory structural strengthening

Refurbishment and structural strengthening of a reinforced concrete factory built in 1899 using the system pioneered by French engineer François Hennebique with the aim of adapting the plant to fulfil the client's new requirements.

Port and waterway structures repair and strengthening

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Port and waterway structures references

Repair
Australia

Melbourne Webb Dock Restoration

As part of a major port development project in Melbourne, Freyssinet has been awarded the dock restoration of the Webb Dock port facility.
Repair
Australia

Kurnell Terminal Wharf

Works to install cathodic protection and repair a concrete wharf that carries pipelines transferring fuel from ships to land must be tightly managed so its operation is not impacted.
Repair
PHILIPPINES

Manila International Container Terminal

Repairs to the concrete deck of one of the world’s busiest container terminals in the Philippines had to be scheduled to suit both the port’s daily operations and the tide tables.

Tunnels and culverts retrofitting

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Tunnels and culverts references

Repair
France

Barbazan culvert reinforcement using UHPFRC

A specially developed mix and custom-designed equipment now allow ultra-high-performance fibre-reinforced concrete to be spray-applied, opening up a world of possibilities for this durable material.
Repair
USA

Baker-Barry Tunnel

Renovation of an historic tunnel in the USA demanded a balance between improving its condition, and retaining unique features; Freyssinet worked with the owner to find the right solution.
Repair
UK

Channel Tunnel concrete repairs

Mobilisation on a momentous scale paved the way to an early finish on the extensive concrete repairs needed to put the Channel Tunnel back into operation after a devastating fire.

Water infrastructures repair and strengthening

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