Bridge maintenance work under an elevated bridge structure

Application / Resilience

Seismic Retrofit

Seismic retrofit is not a catalogue exercise. Each support location must be evaluated against the updated analysis, desired movement behavior, existing geometry, jacking access and construction staging. A successful bearing package helps the project team translate those criteria into manufacturable hardware, controlled inspection and safe installation steps.

Typical bearing families

Seismic Isolation BearingsSpherical BearingsPot BearingsPTFE Sliding Bearings

Engineering context

What the support line needs to solve.

  • Working around existing structure and traffic operations
  • Analysis-derived displacement and restraint requirements
  • Jacking, temporary support and installation sequence

Selection route

01

Survey and inputs

Verify actual support geometry, available clearance, existing condition and approved analysis outputs.

02

Configuration

Develop the isolation or restraint arrangement around target performance, movement and connection capacity.

03

Execution

Plan drawings, hold points, packaging and installation labels around the contractor’s phased replacement method.

Project-specific discussion

Share the condition, not only the product name.

Andy can route your bearing schedule, support detail or movement assumptions into the right enquiry discussion.

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