Heathrow leads with low carbon concrete trial

Heathrow leads with low carbon concrete trial

09 August 2023

Heathrow is the first airport in the world to kick-start a ground-breaking new trial by exploring the viability of lower carbon concrete for runways and taxiways.

This trial has been designed to test the concrete’s durability and longevity in a true-to-life airport setting and is one of the first of its kind at any airport in the world.

It is intended that the outcome of these trials can be used to reduce embedded carbon in a number of projects being delivered by Ferrovial Construction and Dyer & Butler at Heathrow.

The project will see four different applications trialed in a pouring site located close to the control tower. These will replicate use in a range of typical airport infrastructure applications, including airfield pavements, encompassing runways and taxiways, reinforced pit cover slabs, and other ancillary concrete types.

Two low-carbon solutions will be tested: a Pavements Quality Concrete (PQC) equivalent mix containing 50% Ecocem GGBS, and Ecocem Ultra – a lower carbon binder.