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£25M university piling work nears finish

Bachy Soletanche will shortly have completed all three phases of a piling contract at the University of Sheffield for Bam Construction.

The piling is for the university’s new Nuclear Advanced Manufacturing Research Centre and Knowledge Transfer Centre.

To date, work has involved installing 331no 600mm diameter, 2200kN piles to depths of 19-25m into made ground over mudstone.

Two heavy duty CFA piling rigs (CM70) were used to install the innovative expanded head piles.

The piles were developed by the project team of Bam Construction and engineer Buro Happold to assist with slab connections.

2.5km³ of concrete was used for the piling works, and a total of 7,374 linear metres were piled and concreted.

Varying rock levels on the edge of the former open cast coal mine resulted in extensive probing and remodeling to produce an economical design, Bachy Soletanche said.

The first two phases of work were carried out between October and November 2010, and in December 2010. The third phase is due to commence this month.

Bachy Soletanche business development manager Paul Hodgson said: “This is one of our more interesting jobs at the moment due to the much bigger scheme surrounding it.

“During the third phase of works we’ll be installing the piles for two wind turbines, which should be complete by the end of June, when we’re looking forward to seeing the fruits of our labour.”

Readers' comments (1)

  • 2.5 cubic kilometres of concrete? This implies a volume of concrete equal to 1000m x 1000m x 2500m! I’m pretty sure this is wrong as it would mean that each of the 7374 linear metres of piles had an average CSA of 339029 square metres. I think that what the article might of been trying to say was that the volume of concrete was 2500 cubic metres i.e. 1m x 1m x 2500m. An impressive amount of material but not the same thing!

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