Products used: Macalloy 1030 bars
Background:
The sewage system in London, which dates to the Victorian era, is insufficient for the city’s enormous population today. Given increasing demand and the need to clean up the rivers a 25-kilometer-long tunnel under the river Thames is being constructed by the company Tideway in London, https://www.tideway.london/. This project will improve the city’s sewage infrastructure and divert it from the river. It commenced in 2015 and is expected to conclude in 2025.
Macalloy Involvement:
One of the several vertical tunnels has been the focus of our Macalloy site service crew, who have been utilising our post-tensioning equipment on M40 1030 bars with nuts and washers, to prepare the concrete slab for lifting.
A total of 48 Macalloy 1030 bars were embedded and bolted into the concrete and each one post-tensioned to a force of 97 tonnes to enable the huge, purpose-built crane to lift the concrete slab weighing 1200 tonnes to cover the opening.
https://www.tideway.london/news/press-releases/2024/march/londons-super-sewer-now-fully-built-after-final-lid-lifted-into-place/
It is a remarkable feat of engineering, and we are grateful to Tideway London for letting us showcase the development at the construction stage.
Year
2024
Location
London
Country
UK
Architect
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