Powders from brick rubble

The abandonment of fossil fuels for energy generation results in serious changes in the secondary raw materials economy. In concrete production, this applies most of all to coal flyash, which is used as an addition to concrete and which will then no longer be available. At the same time, new materials such as clay and/or masonry rubble from demolition of buildings are coming into focus – for which forms of reutilization must be found.

In a research project conducted by the Institute of Applied Construction Research (IAB) in Weimar, Germany, powders from brick rubble of various ages and various...