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Chile is one of the largest copper producers in the world, which implies a significant generation of waste, particularly copper slag (CS). On the other hand, the high demand for concrete mixes generates a high consumption of natural aggregates as sand. However, specialized literature indicates that the fine aggregate can be partially replaced by CS keeping (or improving) the concrete properties. Then, this paper presents a sustainability analysis of the partial replacement of fine aggregate of concrete by CS. The ...

Although the buildings of the Universidad de Concepcion (UdeC) stood up well structurally to the effects of the 8.8 magnitude earthquake on 27 February 2010 in Concepcion, Chile, diverse damage was generated in their non-structural elements. Due to the large number of university buildings (over 100 on the Concepcion Campus alone) and the need to start classes on 5 April, numerous simultaneous repair projects were generated. These were done within the national post-earthquake context, UdeC culture and timing. The o...