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  • Influence of homogenization of alkali-activated slurry on mechanical strength [Elektronski vir]
    Horvat, Barbara, 1981- ...
    Alkali-activated materials are promising materials for the construction industry due to the accessibility of the precursors, which are mainly secondary industrial by-products, and their cost- ... effective and energy-efficient production. Although these materials are not new, some of the parameters in the technological process are not yet fully understood and tested. Therefore, in this paper in the means of mechanical strength, the preparation of alkali-activated pastes by using a three-roll mill homogenization method is discussed. The influence of homogenization of alkali- activated slurry has been evaluated on different waste materials (fly ash, fly ash with metakaolin, slag mixture (electric arc furnace slag and ladle slag), glass wool, waste green ceramics), which are treated with different alkali activators (NaOH, commercial sodium silicate solution, laboratory-produced alkali activators based on waste cathode- ray tube glass) with different curing regimes (60 °C and 70 °C) and different drying methods (drying at room temperature, drying at 105 °C). The viscosity of the slurry before homogenization was higher than after homogenization, the distribution of elements was more uniform and the compressive strength higher in all homogenized alkali activated materials, regardless of other parameters.
    Source: 3rd International Conference on Technologies & Business Models for Circular Economy, [15th December 2020] [Elektronski vir] : conference proceedings (Str. 11-49)
    Type of material - conference contribution ; adult, serious
    Publish date - 2022
    Language - english
    COBISS.SI-ID - 111161347

    Link(s):

    https://press.um.si/index.php/ump/catalog/view/677/916/2289-1
    DiRROS - Digital repository of Slovenian research organizations
    DOI

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