HS2 engineers have finished sliding the second part of the Wendover Dean Viaduct deck into position.
A team comprising engineers from Eiffage, Kier, Ferrovial Construction and BAM Nuttall (the joint venture building HS2’s viaducts) slid the 3,130-tonne structure 270m using Teflon pads to reduce friction – a material usually found on the surface of non-stick frying pans.
The operation was carried out last week over 20 hours.
The deck of the Wendover Dean Viaduct – which will eventually stretch for 450m – is being assembled in three stages, ranging from 90m to 180m sections, with each pushed out from the north abutment before the next section is attached behind it.
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