Sika concrete admixtures for Sir Chris Hoy Velodrome

Sika concrete admixtures for Sir Chris Hoy Velodrome

Admixtures from Sika Limited played a key role in the specialist concrete mix supplied by Hanson Concrete during the construction of the Sir Chris Hoy Velodrome in Glasgow. A showpiece for the 2014 Commonwealth Games, the 2,500 seat Sir Chris Hoy Velodrome, forms part of the iconic new £113 million Emirates Arena and is operated by Glasgow Life.

Hanson supplied 600 cubic metres of the specialist concrete to contractors PC Harrington for the slip-form construction of the service towers. Slip-form construction involves vertically raising self-contained formwork on hydraulic jacks, in a continuous operation, while extruding the reinforced concrete section. It is a fast and cost effective solution suitable for the construction of core walls in high-rise buildings.

Successful slip-form construction relies on a well-designed concrete mix, a skilled workforce and a well-planned delivery from the concrete supplier. The concrete needs to have controlled setting to match the rate of climb of the formwork. It requires a soft consistence to obtain full compaction around the steel and give an excellent surface finish but without segregation and grout loss.

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