دانلود مقاله ISI انگلیسی شماره 151380
کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
151380 2018 31 صفحه PDF سفارش دهید 6347 کلمه
خرید مقاله
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عنوان انگلیسی
New prediction models for unconfined compressive strength of geopolymer stabilized soil using multi-gen genetic programming
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Measurement, Volume 113, January 2018, Pages 99-107

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چکیده انگلیسی

This study presents new models for the prediction of unconfined compressive strength (UCS) of geopolymer stabilized clayey soils using a modified branch of genetic programming, called multi-gen genetic programming (MGGP). The proposed MGGP models incorporate several parameters affecting the behavior of the UCS of the clayey stabilized soil. UCS is formulated in terms of percentages of fly ash, ground granulated blast furnace slag, liquid limit, plastic limit, plasticity index, molar concentration, alkali to binder ratio, and ratios of sodium and silicon to aluminum. The importance of each predictor variable is measured through a sensitivity analysis. The validity of the models and the trend of the results are verified by performing parametric study. The parametric study results are also in good agreement with previous studies. The results indicate that the proposed equations are capable of evaluating UCS accurately.

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