Clinker Chat: Returned Concrete as an Aggregate

Each year, about 30 million cubic metres of ready-mix concrete is produced in Australia, and as much as 4% of it (around 1.2 million cubic metres) goes unused and is returned to the plant.

In this episode of Clinker Chat, SmartCrete CEO Clare Tubolets heads to the Holcim Gosnells Quarry in WA to catch up with James Douglas-Henry and Vinod Rajayogan about their work exploring the use returned concrete as a replacement for virgin aggregates and the challenges involved. We also hear from Les Marchant (Main Roads WA) about how this product can be used in the near future.

Clare then heads to Curtin University to speak with researchers Prabir Sarker and MD Riad Hasan about the testing used and results gained from using returned concrete as an aggregate.

This interview was filmed on Whadjuk Noongar Boodja. We acknowledge the Whadjuk Noongar people as the Traditional Custodians and pay our respect to Elders past, present, and emerging.

Read more about the SmartCrete CRC collaborative research project: Returned Concrete Aggregate as Replacement of Virgin Aggregate