Development of a predictive optimization model for the compressive strength of sodium activated fly ash based geopolymer pastes

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@Article{Fillenwarth:2015:Fuel,
  author =       "Brian A. Fillenwarth and Shankar M. L. Sastry",
  title =        "Development of a predictive optimization model for the
                 compressive strength of sodium activated fly ash based
                 geopolymer pastes",
  journal =      "Fuel",
  volume =       "147",
  pages =        "141--146",
  year =         "2015",
  ISSN =         "0016-2361",
  DOI =          "doi:10.1016/j.fuel.2015.01.029",
  URL =          "http://www.sciencedirect.com/science/article/pii/S0016236115000435",
  abstract =     "As concerns about global CO2 emissions grow, there
                 exists a need for widespread commercialisation of lower
                 emission building materials such as geopolymers. The
                 commercialisation of geopolymers is currently impeded
                 by the high variability of the materials used for their
                 synthesis and limited knowledge of the
                 interrelationships between mix design variables. To
                 overcome these barriers, this work demonstrates a
                 relationship between the compressive strength and the
                 chemical design variables derived from experimental
                 data using genetic programming. The developed model
                 indicates the main chemical factors responsible for the
                 compressive strength of sodium activated geopolymers
                 are the contents of Na2O, reactive SiO2, and H2O. The
                 contents of reactive Al2O3 and CaO were found to not
                 have a significant impact on the compressive strength.
                 The optimisation model is shown to predict the
                 compressive strength of fully cured sodium activated
                 fly ash based geopolymer pastes from their chemical
                 composition to within 6.60 MPa.",
  keywords =     "genetic algorithms, genetic programming, Alkali
                 activated cement, Geopolymer paste, Compressive
                 strength, Fly ash, Predictive optimisation model",
}

Genetic Programming entries for Brian A Fillenwarth Shankar M L Sastry

Citations