Specialist concrete supplied to Deansgate Square
Published by Lucy Stewardson,
Editorial Assistant
World Cement,
Hanson is entering the final stages of its contract to supply specialist concrete to Renaker for its Deansgate Square development in Manchester. Hanson’s Owen Street plant has supplied 110 000 m3 of concrete for use in the walls, floor, foundations, and columns.
Once completed in Spring 2020, Deansgate Square will consist of four glazed towers, the tallest of which will be 64 storeys high and the tallest building in the UK outside of London. The towers will provide more than 1500 luxury apartments and leisure facilities.
All of the concretes were designed to be able to be pumped more than 300 linear m across the site and, for the walls, up to 204 m vertically.
Regen ground granulated blastfurnace slag (GGBS) is a cement replacement product, which enhances the durability of concrete while adding to its sustainability credentials. The percentage of Regen used in the concrete mixes varied from 40% in the main structural elements to 70% in the foundations and raft bases, where its use also helped to minimise the production of heat, reducing the risk of thermal cracking.
“We have designed and delivered a range of different concretes to overcome the engineering challenges of the project,” said Terry Balmer, Technical Services Manager at Hanson Concrete. “These include high performance concretes providing strength in excess of 100 N/mm2 in the lower columns; watertight derivatives in the basement and bespoke designs containing 70% Regen GGBS in the foundations and raft bases. We have a proven track record in delivering challenging, specialist concrete for Renaker on other high rise builds across Greater Manchester, so we were the go-to choice for the Deansgate Square Project.”
Read the article online at: https://www.worldcement.com/europe-cis/22042019/specialist-concrete-supplied-to-deansgate-square/
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