Sustainable concrete cuts emissions and uses waste for better buildings

An international research group is building a case for more sustainable concrete by replacing synthetic reinforcement materials with natural fibers and materials from difference waste streams. The latest study demonstrates how geopolymers reinforced with renewable natural fibers and made with industrial by-products and waste-based sands from lead smelting or glass-making can match the strength, durability and drying shrinkage qualities of those containing natural sand, which in turn consumes more raw resources and generates extra emissions in its processing.

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