Maintenance


Stay cables and suspension cables

Freyssinet has developed a comprehensive range of technical solutions and services for all stages of the maintenance of cable-staying systems:

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Inspection
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Instrumentation
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Specialist maintenance
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Modernisation
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Replacement
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Maintaining operation during work
   

Penang bridge (Malaysia)




Prestressing tendons


Freyssinet has developed a comprehensive range of prestressing tendon inspection and maintenance solutions:

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Assessment of the integrity of the structure and tendons,
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Monitoring of tendon ageing,
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Compliance work,
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Strengthening and replacement work.
   
Pont-à-Mousson Viaduct maintenance (France)




Expansion joints


Freyssinet's expansion joints are designed to allow for continuous traffic between two structures by accommodating any movements in the structures caused by creep, shrinkage, temperature variations and deformation during service. Freyssinet offers an extensive range of small and large-movement, bituminous, metal, elastomeric and modular expansion joints for road and railway structures.

   
Modular joint




Bearings


Freyssinet offers a comprehensive range of bearings designed to meet the working constraints of each structure.

   
Bearings beneath a metal deck




Earthquake protection devices


Dynamic protection devices are used to protect structures against earthquakes or vibrations caused by the wind, for example.

   
Banded elastomeric isolator during installation






Areas of application:

Bridges and engineering structures, dams
Public buildings
Private buildings
Industrial structures
Marine and river structures
Water engineering structures