Mott MacDonald assists clients in the strengthening of their
existing bridge stock to cater for increasing traffic loads,
changes to codes and standards and as a result of damage or
material degradation.
Newcastle High Level BridgeBridges of all
types and sizes have been enhanced and life spans extended due to
our innovative design solutions.
One of the major strengthening projects include the Newcastle High
Level Bridge for which the following strengthening methods are
being utilised:
- External post tensioning
- Injection grouting of pad foundations
- Metalock mechanical stitching
- Steel plate bonding
- Carbon fibre plate bonding
- Friction grip bolting and welding of steel strengthening
plates
- Replacement of elements/components with higher grade
material
- Redistribution of dead load bending stresses by hydraulic
jacking
