BBV gears up for big HS2 viaduct slide over M6

The 320m-long viaducts are being constructed to at least one facet of the motorway earlier than being slid into place throughout a collection of weekend closures to minimise disruption.

The primary double field metal construction is about for its first 119m launch over a slip street throughout the weekend of seven/8 June.

Strand jacks will probably be used to push the decks ahead at a pace of 6-8m per hour,

Two additional weekend closures will comply with because the construction slides throughout the motorway and the M6-M42 hyperlink.

Specialist steelwork contractor Victor Buyck is supporting the launch alongside Nationwide Highways.

This advanced course of signifies that the load of the deck will improve with every push, up from an preliminary 1,300 tonnes to round 3,000 tonnes by the tip of the yr.

The deck will probably be pushed uphill by 4.2 metres utilizing strand jacks and low-friction PTFE pads.

How completed 320m-long viaduct will look as soon as completed

Russell Luckhurst, challenge director for Balfour Beatty Vinci, mentioned: “We’re coming into an thrilling part as the primary metal part begins to take form. Launching the decks offline in phases will assist us scale back the affect on street customers.”

HS2 senior challenge supervisor Liam Kenney added: “It is a massively advanced job and the multi-stage method will assist minimise disruption.”

The second viaduct, the ‘West Deck’, will probably be slid out in 2026 utilizing the identical methodology.

Each buildings use weathering metal with a double-box design and are supported by 4 pairs of concrete piers, the tallest standing 9.9m excessive. A 4.5m excessive parapet will probably be put in to cut back practice noise close to Chelmsley Wooden.

The operation attracts on classes discovered throughout the supply of the close by M42/M6 hyperlink viaducts.