A14 HUNTINGDON TO CAMBRIDGE HIGHWAY DEVELOPMENT
A new 12-mile bypass to the south of Huntingdon in Cambridgeshire, the new bypass runs between Ellington and Swavesey and is part of UK’s biggest road upgrade – a project to upgrade 21 miles of the A14 between Cambridge and Huntingdon.
Leca® LWA 10-20mmR was used as backfill to the cast in situ reinforced concrete bridge abutment and reinforced concrete wing walls and for earthworks fill to provide a reduction in imposed loading.
The LWA was capped by 2m of standard MCHW fills. The reduced loading of Leca®LWA compared to MCHW standard earthworks materials helped to limit ground settlement that would have otherwise impacted on the East Coast Main Line rail infrastructure (in particular to the four tracks (Up and Down Fast plus Up and Down Slow) which operate at speeds of up to 125mph) to levels acceptable to Network Rail, and consistent with no adverse maintenance requirements.
The A14 Cambridge to Huntington Improvement Scheme was named Digital Transformation Initiative of the Year, one of a number of awards the project picked up at the British Construction Industry Awards (BCIA) held at the Grosvenor House in London. The awards recognise projects that demonstrate the positive impact the British construction industry has on society.
Amount of material: 37,000m3 of LECA® LWA (10-20mm)
Interesting Fact: Leca® LWA 10-20mmR was used as backfill to the cast in situ reinforced concrete bridge abutment and reinforced concrete wing walls and for earthworks fill to provide a reduction in imposed loading.
Delivery Method: Walking Floor