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Optimizing compressive strength in sustainable concrete: a machine learning approach with iron waste integration

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Asian Journal of Civil Engineering Aims and scope Submit manuscript

Abstract

The current research delves into enhancing the sustainability of construction materials by incorporating iron waste into concrete mixtures. The primary aim revolves around predicting the compressive strength of such innovative concrete formulations, a critical factor in maintaining the structural integrity of constructions. By employing various machine learning algorithms—Support Vector Machine (SVM), Random Forest (RF), Gradient Boosting (GB), Extreme Gradient Boosting (XGB), and Multilayer Perceptron (MLP)—the study determines the most efficacious models for predicting compressive strength. Notably, Random Forest emerges as the most proficient, as evidenced by its exceptional R2 (= 0.972) and CPI score (= 0.250). A meticulous sensitivity analysis further elucidates the principal factors influencing compressive strength, notably the incorporation ratios of Iron Waste and Fine Aggregate, alongside the concrete’s age. This investigation meticulously navigates from data preprocessing to the final model selection and sensitivity analysis, ensuring the robustness of the predictive models. Moreover, the study extends its utility beyond academic realms by develo** an accessible graphical user interface (GUI), hosted on GitHub, to facilitate the application of these findings. The inclusion of iron waste not only propels the construction industry towards more sustainable practices but also valorizes waste materials. Consequently, this research contributes substantially to the domain of sustainable construction by providing a reliable methodology for the integration of iron waste in concrete, thereby fostering the development of eco-friendlier construction practices. The additional creation of a GUI significantly amplifies the impact of this research, making its insights accessible to a broader audience, thus benefiting the society and construction industry at large.

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Data availability

The data that support the findings of this study are available upon reasonable request from the authors.

Abbreviations

SVM:

Support vector machine

RF:

Random forest

GB:

Gradient boosting

XGB:

Extreme gradient boosting

MLP:

Multi-layer perceptron (backpropagation NN)

PSO:

Particle swarm optimization

R2 :

R-squared

RMSE:

Root mean squared error

MAE:

Mean absolute error

MAPE:

Mean absolute percentage error

CPI:

Comprehensive performance index

GUI:

Graphical user interface

ML:

Machine learning

CNN:

Convolutional neural network

BFS:

Blast furnace slag

FA:

Fly ash

GSA:

Global sensitivity analysis

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The authors have not disclosed any funding.

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Contributions

RKT played a pivotal role in the genesis and execution of this research. His contributions spanned the original writing of the manuscript, formulating the underlying idea, devising the methodology, executing the coding, analyzing the results, and generating the plots. His work laid the foundation for the study and shaped its direction. V. B. , Suman, V. R. Panchal, K. S. Pandya, and G. A. Patel provided significant contributions through a rigorous review and revision process. Their expertise was instrumental in refining the manuscript to meet high academic standards. Additionally, they played a crucial role in the data collection process, ensuring the study was grounded in comprehensive and relevant data. Collectively, their efforts have been vital in enhancing the quality and depth of the research, contributing to its overall success.

Corresponding author

Correspondence to Rupesh Kumar Tipu.

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Tipu, R.K., Batra, V., Suman et al. Optimizing compressive strength in sustainable concrete: a machine learning approach with iron waste integration. Asian J Civ Eng (2024). https://doi.org/10.1007/s42107-024-01061-5

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  • DOI: https://doi.org/10.1007/s42107-024-01061-5

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