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    • A high unburned carbon fly ash concrete’s performance characteristics 

      Valderrama, Claudia Patricia; Torres Agredo, Janneth; Mejía de Gutiérrez, Ruby
      Engineering today requires that structures are strong and durable; the latter concept is a decisive factor in their design and construction. The scientific community continues developing new cementitious materials and ...
      Universidad Nacional de Colombia Revistas electrónicas UN Ingeniería e Investigación.