Conservation of gravel resources – Concrete made with recycled aggregate
While a lot is being built in Baden-Württemberg, especially in the Stuttgart metropolitan area, several buildings are also being demolished. Construction waste is made from various materials – including mineral construction waste. It would be a waste to deposit this as landfill, especially since landfill areas are scarce. Appropriate processing of this material produces so-called recycled aggregate, which can be used in making concrete. This recycled aggregate partially replaces primary raw materials such as gravel and stone chips in concrete production. This is known as Resource-conserving concrete (R-concrete).
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