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Renovation of bridge columns - Schneggenbrücke - Glattfelden, Switzerland
Statisk renovering (våd-sprøjte metoden) for strukturelt forbedring
Renovation of bridge columns - Schneggenbrücke - Glattfelden, Switzerland
- Emne
- Renovation of bridge columns
- Objekt
- Schneggenbrücke
- By
- Glattfelden
- Stat
- Zürich
- Land
- Schweiz
- Dato
- 2011
Situation
The Building Department of Zürich is renovating the column of the Schneggen bridge, located under the central reservation of the motorway, because of concrete damages as well as insufficient concrete cover of the steel reinforcement.
Projektbeskrivelse
Some of the concrete surface was grinded off and the edges were rounded off. Damaged concrete parts were rounded off. After wetting the concrete to capillary saturation, the first layer of S&P ARMO-crete w RQ was applied. The ARMO-mesh L200 (carbon fibres in the horizontal direction) was then pressed into the freshly applied mortar. Next, the second layer of ARMO-crete w RQ was applied using the wet-in-wet method, troweled off, and ground to the desired smoothness. A protective coat was applied, thus completing the reinforcement.
Materialeforbrug
approx. 4 tons of S&P ARMO-crete w RQ and 100 m2 ARMO-mesh L200
Billedgalleri
The substrate after preparation for first mortar coat
Incorporation of the S&P ARMO-mesh L200 horizontally into the still fresh mortar (in strips)
After the application of the second layer of S&P ARMO-crete w RQ
Service
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