Abstract
Abstract This review is focused on various possibilities of application of foundry sands. The evaluation was performed by summarizing available resources. The application of waste sand as an admixture in concrete brings with it economic advantages compared to the use of exclusively natural sand in the production of concrete. On the other hand, due to the mechanical properties, only a 10–20 % substitution of natural material with waste sand appears to be optimal. Road construction works provide an opportunity to reuse large amounts of surplus material, including foundry sand waste. High demands on the properties of the embankment (low internal deformation, sufficient shear strength, homogeneity, erosion resistance) are required for this application. Waste sands are a suitable substitute for clay cladding material. It is necessary to consider various criteria for the application of waste sand – economic, technical or environmental benefits. In the future, research should focus on evaluating the use of waste foundry sands in grasslands. There is currently insufficient knowledge to evaluate this application.
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