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Journal of Mining and Environment، جلد ۱۱، شماره ۳، صفحات ۸۹۹-۹۰۸
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عنوان انگلیسی A New Method for Predicting Indirect Tensile Strength of Sandstone Rock Samples
چکیده انگلیسی مقاله The tensile strength (σt) of a rock plays an important role in the reliable construction of several civil structures such as dam foundations and types of tunnels and excavations. Determination of σt in the laboratory can be expensive, difficult, and time-consuming for certain projects. Due to the difficulties associated with the experimental procedure, it is usually preferred that the σt is evaluated in an indirect way. For these reasons, in this work, the adaptive network-based fuzzy inference system (ANFIS) is used to build a prediction model for the indirect prediction of σt of sandstone rock samples from their physical properties. Two ANFIS models are implemented, i.e. ANFIS-subtractive clustering method (SCM) and ANFIS-fuzzy c-means clustering method (FCM). The ANFIS models are applied to the data available in the open source literature. In these models, the porosity, specific gravity, dry unit weight, and saturated unit weight are utilized as the input parameters, while the measured σt is the output parameter. The performance of the proposed predictive models is examined according to two performance indices, i.e. mean square error (MSE) and coefficient of determination (R2). The results obtained from this work indicate that ANFIS-SCM is a reliable method to predict σt with a high degree of accuracy.
کلیدواژه‌های انگلیسی مقاله tensile strength, Physical Properties, ANFIS, Subtractive clustering method, Fuzzy C-means clustering method
نویسندگان مقاله H. Fattahi |
Department of Earth Sciences Engineering, Arak University of Technology, Arak, Iran

نشانی اینترنتی http://jme.shahroodut.ac.ir/article_1834_e9ab6a3b506c421e45ee61fb6f32967f.pdf
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