Special inspection of tension cables (PT-ducts) – Gisundbrua, Norway
During the inspection of the Gisund Bridge, a 1,147-meter-long concrete bridge built in 1972, Invator discovered deficiencies in the grout in several tensioning channels. Using drones, ultrasound tomography and verification drilling, the status of the cables and areas of increased corrosion risk were mapped for targeted repair measures.
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Non-destructive testing and inspection of water towers in Söderhamn
After 50 years of operation, the water tower in Söderhamn showed cracks, delamination and suspected defects in the tension cable anchorages. Invator carried out a detailed condition assessment using drones, ultrasound and geo-radar, which showed that the global bearing capacity was intact and identified the areas that needed to be addressed for continued safe operation.
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Special inspection of casing in Gimsøystraumen bridge, Norway
A comprehensive survey of the Gimsöystraumen bridge has mapped the status of the grout in the span channels. The results show that the channels are largely intact, with only minor deviations and limited superficial corrosion on the lining pipes, with no risk of serious damage.
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Non-destructive testing of tension cables on Herøysund Bridge in Norway
A decision to demolish the Herøy Bridge in Norway led to a major research project to map the extent of the damage in detail. Invator AB was entrusted to carry out the non-destructive testing on the bridge to identify voids and corrosion in all casings.
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Independent verification of the Big Creek Bridge in Alaska
Independent verification of Big Creek Bridge Problem solving During the casting of a new bridge on the Alaska Highway, complications arose and a large number of casting wounds were noted on the underside of the bridge deck. Were the casting wounds superficial or were there also deeper damages further into the structure?
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Non-destructive testing of tension cables in Vallbybron, Västerås
Invator Sverige AB was commissioned by SWECO to carry out a special inspection of the tension cables on Vallbybron in Västerås. Leaks and the discovery of a large amount of chlorides created doubts about the status of the tension cables.
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Inspection and permit assessment of swimming pool in Västervik
Invator Sverige AB was commissioned by the municipality of Västervik to inspect and develop a solution for the repair of a swimming pool in Västervik. The pool had extensive reinforcement corrosion and loose concrete cracking.
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Calculation and modeling of concrete mast foundations
It was feared that the load-bearing capacity of the mast foundation with a 240 m high mast was impaired. Would it hold or was the risk of collapse imminent?
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Monitoring stresses in a railway bridge with Structural Health Monitoring
Cost-effective monitoring of cracks and stresses in the reinforcement of a railway bridge with full data collection. This is how it was done.
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