Using feed-forward back propagation (FFBP) neural networks for compressive strength prediction of lightweight concrete made with different percentage of scoria instead of sand

S. V. Razavi, M. Z. Jumaat, Ahmed H. EI-Shafie

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Artificial neural networks (ANNs) are the result of academic investigations that use mathematical formulations to model nervous system operations. Neural networks (NNs) represent a meaningfully different approach to using computers in the workplace, and have been used to recognize patterns and relationships in data. In this paper, the compressive strength (CS) of lightweight material with 0, 20, 30, and 50% of scoria instead of sand, and different water-cement ratios and cement content for 288 cylindrical samples were studied. Out of these, 36 samples were randomly selected for use in this research. The CS of these samples was used to teach ANNs CS prediction to achieve the optimal value. The ANNs were formed by MATLAB software so that the minimum error in information training and maximum correlation coefficient in data were the ultimate goals. For this purpose, feed-forward back propagation (FFBP) with TRAINBR training function, LEARNGD adaption learning function, and SSE performance function were the last networks tried. The end result of the FFBP was 3-10-1 (3 inputs, 10 neurons in the hidden layer, and 1 output) with the minimum error below 1% and maximum correlation coefficient close to 1.

    Original languageEnglish
    Pages (from-to)1325-1331
    Number of pages7
    JournalInternational Journal of Physical Sciences
    Volume6
    Issue number6
    Publication statusPublished - Mar 2011

    Fingerprint

    compressive strength
    Backpropagation
    Compressive strength
    sands
    Sand
    Concretes
    Neural networks
    predictions
    cements
    Cements
    correlation coefficients
    education
    Neurology
    nervous system
    MATLAB
    Neurons
    Strength of materials
    neurons
    learning
    Water

    Keywords

    • Artificial neural networks (ANNs)
    • Compressive strength (CS)
    • Feed-forward back propagation (FFBP)
    • Scoria

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Electronic, Optical and Magnetic Materials

    Cite this

    Using feed-forward back propagation (FFBP) neural networks for compressive strength prediction of lightweight concrete made with different percentage of scoria instead of sand. / Razavi, S. V.; Jumaat, M. Z.; EI-Shafie, Ahmed H.

    In: International Journal of Physical Sciences, Vol. 6, No. 6, 03.2011, p. 1325-1331.

    Research output: Contribution to journalArticle

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