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Prediction of the compressive strength of normal concrete using ensemble machine learning approach

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Abstract

In recent times, the use of machine learning techniques has become a new trend for predicting compressive strength of concrete. The use of such algorithms in predicting the strength and its proportioning has eased the manual work of mix design. In the present study, an attempt has been made to use advanced machine learning algorithms in predicting concrete strength. It has been performed using ensemble machine learning methods such as random forest regressor and Categorical Boosting (CatBoost) algorithm to predict the compressive strength of concrete. To reduce the underfitting or overfitting issue, a fivefold cross-validation technique has been used. In addition, a comparison has been made between both the algorithms considering performance indices, accuracy, and data importance. Furthermore, by considering different algorithms, the feature importance of each variable and the relationships between variables have been established for making the models more efficient. The analysis of the study exhibits that the random forest and CatBoost have a prediction accuracy of 89.3 and 95.8%, respectively. Thus, considering the accuracy and performance indices, CatBoost model has outperformed random forest model. Finally, this study demonstrates the possibilities of making the infrastructure sustainable and predictable, by analysing the mechanical properties of concrete using different machine learning algorithms.

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Data availability

The data that support the findings of this study are available in UCI Machine Learning Repository at https://archive.ics.uci.edu/ml/index.php. These data were derived from the following resources available in the public domain:—Concrete Compressive Strength Data Set, 1998, https://archive.ics.uci.edu/ml/datasets/concrete+compressive+strength.

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Acknowledgements

This work is supported by the NIT Silchar.

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Correspondence to L. V. Prasad Meesaraganda.

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Sapkota, S.C., Saha, P., Das, S. et al. Prediction of the compressive strength of normal concrete using ensemble machine learning approach. Asian J Civ Eng 25, 583–596 (2024). https://doi.org/10.1007/s42107-023-00796-x

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  • DOI: https://doi.org/10.1007/s42107-023-00796-x

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