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Studies reveal ancient Roman ingredient made concrete stronger

4th February 2021 by Sean Couldwell Concrete 0 Comments

Researchers have found a component was used in ancient Roman concrete to strengthen structures.

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High-performance prestressed concrete could revolutionise construction

New research into ultra-high performance concrete (UHPC) could transform the way buildings, bridges and other high-stress projects are constructed. UHPC, like normal concrete, contains cement, sand and chemical additives, but is made with different proportions that produce a denser-packed concrete that requires no steel reinforcements. The Precast/Prestressed Concrete Institute (PCI) is supporting research into new […]

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Concrete strength predictions streamline workflow at London City Airport

12th February 2020 by Sean Couldwell Concrete 0 Comments

A new concrete deck at London City Airport has been laid more precisely and in good time, thanks to concrete prediction technology. Concrete contractor Converge placed sensors in freshly poured concrete which sent temperature data to a Cloud-based system, to inform engineers when the concrete is at the correct temperature for maximum strength. After analysing […]

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Star Wars fanatic notes heroic uses of concrete within the franchise

12th January 2020 by Sean Couldwell Concrete 0 Comments

The latest Star Wars film, the Rise of Skywalker, has prompted one fan to look at how concrete has helped save the Rebel Alliance in this and other Star Wars films. Alistair Marsh, writing on the website Quartz, says that on more than one occasion, the Rebel Alliance has retreated to fortified bases to escape […]

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Biggest ever UK concrete pour completed

A whopping 9,000 cubic metres of concrete was poured and reinforced with 5,000 tonnes of steel at the new Hinkley Point C nuclear electricity generating plant. This breaks a previous UK record set during the construction of London’s Shard skyscraper. The Hinkley Point C plant is the UK’s biggest engineering project. Expected to be completed […]

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New concrete captures carbon and is stronger and lighter

New developments in concrete production have made concrete that is stronger and lighter than conventional concrete and has carbon capturing properties. According to the Whole Building Design Group, the goals of sustainable building design are: “To reduce, or completely avoid, depletion of critical resources like energy, water, land, and raw materials; prevent environmental degradation caused […]

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Nearly 700 trucks used in 34-hour continuous concrete pour

10th April 2019 by Sean Couldwell Concrete 0 Comments

The construction of the new 56-storey City Tower in London required 5,000 cubic metres of concrete for its basement raft. This was done in a continuous pour using 680 trucks. The pour was managed by Careys Civil engineering over a weekend 34-hour period. The operation was planned over three months in consultation with Transport for […]

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3D printing used to fabricate concrete slab

4th August 2018 by Sean Couldwell Concrete 0 Comments

Researchers at ETH Zurich University have fabricated a lightweight concrete slab using 3D printing, which is the first time 3D-printed concrete has been used in a full scale architecture project. The 80 square metre slab is only 20mm thick at its thinnest point and forms a concrete ceiling with decoratively ribbing. The slab is the […]

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How the concrete industry is helping reduce CO2 emissions

With scientists reminding us that CO2 emissions are contributing to global warming, any reductions in emissions are welcome. The cement and concrete industries are finding ways to tackle this problem. The major ingredient of concrete is cement, and a lot of CO2 is produced during the manufacture of it. Major cement producers such as Heidelberg […]

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RIBA award nominees find innovative uses of concrete

There were six nominees for the 2017 RIBA Stirling Prize for the best of British architecture, which was handed out at the end of October. The winner, Hastings Pier, is notable for its imaginative use of wood, but many of the nominees for the prize relied on concrete to create stunning visual effects. This year’s […]

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