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Re-establishing reinforcement in a collapsed edge beam - Project for the Danish Road Directorate - Bridge 14-0-073 OF sløjfen, Denmark
Flexural
Re-establishing reinforcement in a collapsed edge beam - Project for the Danish Road Directorate - Bridge 14-0-073 OF sløjfen, Denmark
One of the bridge's edge beams had been hit and the damage had caused major damage, destroying parts of the concrete and 7 pre-stressed cables.
- Topic
- Re-establishing reinforcement in a collapsed edge beam
- Object
- Project for the Danish Road Directorate
- City
- Bridge 14-0-073 OF sløjfen
- State
- Gentofte Municipality
- Country
- Denmark
- Date
- 2021
Situation
Re-establishing pre-tensioned cables would be an expensive and time-consuming solution that would cause major traffic challenges on the busy motorway under the bridge.
Solution
The bridge's edge beam was restored to its original profile by a concrete repair and then the reinforcement was established with embedded carbon fibre rods (S&P C-Rod), which were placed in a milled groove filled with glue (Near Surface Mounted solution). The 7 pre-stressed cables could be replaced with just 4 carbon fibre rods ø8mm. At one end at the centre of the concrete beam, carbon fibre sheet (S&P C-Sheet) was secured as a U-shaped enclosure. The work was carried out overnight and in a very short time, causing only minor disruption to traffic.
Material
S&P C-Rod ø8mm, S&P Resin 220 HP, S&P C-Sheet, S&P Resin 55 HP
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Service
Contact person
Morten Frost Kamphøvener
Morten FrostKamphøvener
Nordic Business Manager
- Location
S&P responsible site
Denmark
Simpson Strong-Tie A/S
Hedegaardsvej 11
DK-8300 Odder
CVR 65653818
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