Maintenance

Stay Cables and Suspension Cables

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

• Inspection
• Instrumentation
• Specialist maintenance
• Modernization
• Replacement
• Maintaining operation during work

   

Ravenel Bridge - Cooper River, Charleston, SC - USA

Prestressing Tendons

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

• Assessment of the integrity of the structure and tendons
• Monitoring of tendon aging
• Compliance work
• Strengthening and replacement work

  Exploratory NDT/GPR at US-131 over Muskegon River, MI - USA

Expansion Joints
Freyssinet, Inc.'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, Inc. 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, Inc. 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 Insulator during installation

Areas of application:
New Structures
Repair