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Reinforcement of columns - Laubenhof - Zug, Schweiz

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Country 

Switzerland

Date 

2015

Case Study 

Reinforcement of columns with S&P C-Sheet 240 (FRP 2015_01)

Situation 

The planned extension of residential building and department store Laubenhof in Zug required the reinforcement of 34 columns in two parking floors.

Solution 

The pre-fabricated hollow-core columns were injected with high-strength shrinkage-free cement mortar beforehand. Different additional loads will be transferred by wrapping the columns in carbon fibre mesh (horizontal and vertical), as statically required. The concrete surface is prepared by grinding, onto which the S&P C-sheets are then applied using the vapour-permeable S&P Resicem, ensuring a multi-layered load-transferring connection. The structure is braced throughout the application period. For mechanical protection, the sheets are covered in a ca. 15mm thick protection mortar.

Material 

215 m2 S&P C-Sheet 240, 400 g/m2, 300 and 600 mm wide rolls

Application of C-Sheets240 400 g/m2, 600 mm wide, horizontally from the top down.

Fresh application on column.

Stütze mit Quarzsand abgestreut zur Aufnahme des Schutzmörtels.

Completed reinforced column, C-Sheet with 15 mm protection mortar.

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