The Growing Economy Of Builders’ Rubble

The market for processed builders’ rubble in South Africa is growing and architects, engineers and the rest of the building industry should take note. When Dr Kirsten Barnes, waste economy analyst from GreenCape, started investigating a builders’ rubble market, the perception existed that the material was rubbish and that she was wasting her time. This […]
Hybrid Concrete: Advances In Concrete Activation

Addendum A features a study conducted by Cyril N. Atwell that explores the distinct advantages of hybrid concrete based on results gathered from practical application of the products in three separate construction sites in Southern Africa since 2010. These advantages include: The study introduces the schools of academic research related to the products, presents the […]
GBCSA2017: Rubble is a resource

One cubic metre of concrete has a carbon footprint of 350kg of CO2, making this staple material in the construction industry one of the biggest contributors to greenhouse gases in the world. This fact was shared by Cyril Attwell, researcher and director at ARC Projects, at this year’s annual GBCSA Green Building Convention. Attwell, however, is […]
Lower Carbon, Lower Cost: The Future Of Concrete

At the Loeriesfontein Wind Farm, the amount of activator used was reduced to 0.4%, or four litres of activator per cubic metre of concrete. Concrete is one of the most used materials in the world, second only to water. At the same time, the cement used in concrete is one of the largest producers of carbon […]