Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concrete
Abstract This research explores the application of Artificial Intelligence (AI) techniques to assess the mechanical properties of geopolymer concrete made from a blend of Banana Peel-Ash (BPA) and Sugarcane Bagasse Ash (SCBA), using a sodium silicate (Na2SiO3) to sodium hydroxide (NaOH) ratio rangin...
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Nature Portfolio
2024-10-01
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| author | George Uwadiegwu Alaneme Kolawole Adisa Olonade Ebenezer Esenogho Mustapha Muhammad Lawan Edward Dintwa |
| author_facet | George Uwadiegwu Alaneme Kolawole Adisa Olonade Ebenezer Esenogho Mustapha Muhammad Lawan Edward Dintwa |
| author_sort | George Uwadiegwu Alaneme |
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| description | Abstract This research explores the application of Artificial Intelligence (AI) techniques to assess the mechanical properties of geopolymer concrete made from a blend of Banana Peel-Ash (BPA) and Sugarcane Bagasse Ash (SCBA), using a sodium silicate (Na2SiO3) to sodium hydroxide (NaOH) ratio ranging from 1.5 to 3. Utilizing three AI methodologies—Artificial Neural Networks (ANN), Adaptive Neuro-Fuzzy Inference System (ANFIS), and Gene Expression Programming (GEP)—the study aims to enhance prediction accuracy for the mechanical properties of geopolymer concrete based on 104 datasets. By optimizing mix designs through varying proportions of BPA and SCBA, alkaline activator molarity, and aggregate-to-binder ratios, the research identified combinations that significantly enhance mechanical properties, demonstrating notable international relevance as it contributes to global efforts in sustainable construction by effectively utilizing industrial by-products. The experimental results demonstrated that increasing the molarity of the alkaline activator from 4 to 10 M significantly enhanced both the compressive and flexural strengths of the geopolymer concrete. Specifically, a mixture containing 52.5% SCBA and 47.5% BPA at a 10 M molarity achieved a maximum compressive strength of 33.17 MPa after 20 h of curing. In contrast, a mixture composed of 95% SCBA and 5% BPA at a 4 M molarity exhibited a substantially lower compressive strength of only 21.27 MPa. Additionally, the highest recorded flexural strength of 9.95 MPa (77.25% SCBA and 22.5 BPA) was observed at the 10 M molarity, while the flexural strength at 4 M was lowest, at 4.12 MPa (95% SCBA and 5% BPA). Microstructural analysis through Scanning Electron Microscopy with Energy-Dispersive X-ray Spectroscopy (ED-SEM) revealed insights into the pore structure and elemental composition of the concrete, while Thermogravimetric Analysis (TGA) provided data on the material’s thermal stability and decomposition characteristics. Performance analysis of the AI models showed that the ANN model had an average MSE of 1.338, RMSE of 1.157, MAE of 3.104, and R2 of 0.989, while the ANFIS model outperformed with an MSE of 0.345, RMSE of 0.587, MAE of 1.409, and R2 of 0.998. The GEP model demonstrated an MSE of 1.233, RMSE of 1.110, MAE of 1.828, and R2 of 0.992, confirming that ANFIS is the most accurate model for predicting the mechanical and rheological properties of geopolymer concrete. This study highlights the potential of integrating AI with experimental data to optimize the formulation and performance of geopolymer concrete, advancing sustainable construction practices by effectively utilizing industrial by-products. |
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| spelling | doaj-art-4c25ddcaf77b4d53aa0d9bcac9635c8d2025-08-20T02:18:19ZengNature PortfolioScientific Reports2045-23222024-10-0114113910.1038/s41598-024-77144-9Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concreteGeorge Uwadiegwu Alaneme0Kolawole Adisa Olonade1Ebenezer Esenogho2Mustapha Muhammad Lawan3Edward Dintwa4Civil Engineering Department, Kampala International UniversityCivil Engineering Department, Kampala International UniversityDepartment of Electrical, Telecommunication and Computer Engineering, Kampala International UniversityCivil Engineering Department, Kampala International UniversityDepartment of Mechanical Engineering, University of BotswanaAbstract This research explores the application of Artificial Intelligence (AI) techniques to assess the mechanical properties of geopolymer concrete made from a blend of Banana Peel-Ash (BPA) and Sugarcane Bagasse Ash (SCBA), using a sodium silicate (Na2SiO3) to sodium hydroxide (NaOH) ratio ranging from 1.5 to 3. Utilizing three AI methodologies—Artificial Neural Networks (ANN), Adaptive Neuro-Fuzzy Inference System (ANFIS), and Gene Expression Programming (GEP)—the study aims to enhance prediction accuracy for the mechanical properties of geopolymer concrete based on 104 datasets. By optimizing mix designs through varying proportions of BPA and SCBA, alkaline activator molarity, and aggregate-to-binder ratios, the research identified combinations that significantly enhance mechanical properties, demonstrating notable international relevance as it contributes to global efforts in sustainable construction by effectively utilizing industrial by-products. The experimental results demonstrated that increasing the molarity of the alkaline activator from 4 to 10 M significantly enhanced both the compressive and flexural strengths of the geopolymer concrete. Specifically, a mixture containing 52.5% SCBA and 47.5% BPA at a 10 M molarity achieved a maximum compressive strength of 33.17 MPa after 20 h of curing. In contrast, a mixture composed of 95% SCBA and 5% BPA at a 4 M molarity exhibited a substantially lower compressive strength of only 21.27 MPa. Additionally, the highest recorded flexural strength of 9.95 MPa (77.25% SCBA and 22.5 BPA) was observed at the 10 M molarity, while the flexural strength at 4 M was lowest, at 4.12 MPa (95% SCBA and 5% BPA). Microstructural analysis through Scanning Electron Microscopy with Energy-Dispersive X-ray Spectroscopy (ED-SEM) revealed insights into the pore structure and elemental composition of the concrete, while Thermogravimetric Analysis (TGA) provided data on the material’s thermal stability and decomposition characteristics. Performance analysis of the AI models showed that the ANN model had an average MSE of 1.338, RMSE of 1.157, MAE of 3.104, and R2 of 0.989, while the ANFIS model outperformed with an MSE of 0.345, RMSE of 0.587, MAE of 1.409, and R2 of 0.998. The GEP model demonstrated an MSE of 1.233, RMSE of 1.110, MAE of 1.828, and R2 of 0.992, confirming that ANFIS is the most accurate model for predicting the mechanical and rheological properties of geopolymer concrete. This study highlights the potential of integrating AI with experimental data to optimize the formulation and performance of geopolymer concrete, advancing sustainable construction practices by effectively utilizing industrial by-products.https://doi.org/10.1038/s41598-024-77144-9Geopolymer concreteGene expression programingArtificial neural networksAdaptive neuro-fuzzy inference systemGreen concrete |
| spellingShingle | George Uwadiegwu Alaneme Kolawole Adisa Olonade Ebenezer Esenogho Mustapha Muhammad Lawan Edward Dintwa Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concrete Scientific Reports Geopolymer concrete Gene expression programing Artificial neural networks Adaptive neuro-fuzzy inference system Green concrete |
| title | Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concrete |
| title_full | Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concrete |
| title_fullStr | Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concrete |
| title_full_unstemmed | Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concrete |
| title_short | Artificial intelligence prediction of the mechanical properties of banana peel-ash and bagasse blended geopolymer concrete |
| title_sort | artificial intelligence prediction of the mechanical properties of banana peel ash and bagasse blended geopolymer concrete |
| topic | Geopolymer concrete Gene expression programing Artificial neural networks Adaptive neuro-fuzzy inference system Green concrete |
| url | https://doi.org/10.1038/s41598-024-77144-9 |
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