Valorization of glass waste into glass powder in the manufacture of concrete

Introduction/purpose: The valorization of waste in civil engineering is an essential practice due to its environmental and economic benefits. In many countries, various waste materials are incorporated into construction, particularly in cement and concrete, in the form of powders, fibers, or aggregates. This study focuses on reusing glass waste, a material that poses a significant environmental challenge. The primary objective is to evaluate the feasibility of partially replacing sand with glass waste in concrete production and analyzing its impact on the material's properties. Method: Different types of glass waste are added to concrete as a partial replacement for sand, using varying percentages. The resulting concrete samples undergo testing and are compared to conventional (control) concrete to assess their physical and mechanical properties. Results: The analysis indicates that incorporating recycled glass into concrete is feasible, although the material's properties vary depending on the type and amount of glass used. In some cases, certain characteristics of the concrete improve, while in others, challenges related to strength and durability may arise. Conclusion: Using glass waste in concrete is a sustainable alternative that helps reduce waste and conserve natural resources. Despite some limitations, this technique represents a promising solution for the construction sector, promoting sustainable development and a circular economy.