Experimental evaluation and modeling of drying shrinkage behavior of metakaolin and calcined kaolin blended concretes

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@Article{Mermerdas:2013:CBM,
  author =       "Kasim Mermerdas and Erhan Guneyisi and 
                 Mehmet Gesoglu and Turan Ozturan",
  title =        "Experimental evaluation and modeling of drying
                 shrinkage behavior of metakaolin and calcined kaolin
                 blended concretes",
  journal =      "Construction and Building Materials",
  volume =       "43",
  month =        jun,
  pages =        "337--347",
  year =         "2013",
  keywords =     "genetic algorithms, genetic programming, Calcined
                 kaolin, Computational modelling, Concrete, Drying
                 shrinkage, Metakaolin, Statistical evaluation",
  ISSN =         "0950-0618",
  DOI =          "doi:10.1016/j.conbuildmat.2013.02.047",
  URL =          "http://www.sciencedirect.com/science/article/pii/S0950061813001761",
  abstract =     "In the first stage of the study presented herein, the
                 findings of an experimental study on drying shrinkage
                 behaviour of concretes incorporated with high
                 reactivity commercial metakaolin (MK) and calcined
                 kaolins (CKs) were reported. Free shrinkage strain
                 measurements as well as corresponding weight loss were
                 measured over 60 days of drying. Four different types
                 of kaolins obtained from local sources were calcined
                 and used as mineral admixture for concrete production.
                 Moreover, commercial metakaolin of high purity was also
                 used as reference material for comparison. In the
                 second stage of the study, prediction models through
                 gene expression programming (GEP) and multiple linear
                 regression (MLR) were derived. The data set used for
                 training and testing covers the experimental data
                 presented in this study as well as additional ones
                 collected from the literature. The parameters
                 considered for developing the prediction model are
                 related to the characteristic properties of mineral
                 admixture, concrete composition, and drying period. As
                 a result, CK incorporated concretes revealed comparable
                 performance with MK incorporated ones in terms of
                 drying shrinkage and weight loss. Furthermore, the
                 prediction models yielded strong correlation with the
                 experimental results. Statistical analyses also
                 revealed that the proposed models can be handful tools
                 in predicting the drying shrinkage strain of the
                 concretes modified with MK.",
}

Genetic Programming entries for Kasim Mermerdas Erhan Guneyisi Mehmet Gesoglu Turan Ozturan

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