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Estimating compressive strength of concrete containing rice husk ash using interpretable machine learning-based models

Alyami, Mana (författare)
Department of Civil Engineering, College of Engineering, Najran University, Najran, Saudi Arabia
Nassar, Roz-Ud-Din (författare)
Department of Civil and Infrastructure Engineering at American University of Ras Al Khaimah, United Arab Emirates
Khan, Majid (författare)
Department of Civil Engineering, University of Engineering and Technology, Peshawar, 25120, Pakistan
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Hammad, Ahmed WA (författare)
Principle Scientist, Macroview Projects, Sydney, Australia
Alabduljabbar, Hisham (författare)
Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
Nawaz, R. (författare)
Center for Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology, 32093 Hawally, Kuwait
Fawad, Muhammad (författare)
Silesian University of Technology, Poland; Budapest University of Technology and Economics, Hungary
Gamil, Yaser (författare)
Luleå tekniska universitet,Byggkonstruktion och brand,Department of Civil Engineering, School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia
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 (creator_code:org_t)
Elsevier, 2024
2024
Engelska.
Ingår i: Case Studies in Construction Materials. - : Elsevier. - 2214-5095. ; 20
Relaterad länk:
https://doi.org/10.1...
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https://ltu.diva-por... (primary) (Raw object)
https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The construction sector is a major contributor to global greenhouse gas emissions. Using recycled and waste materials in concrete is a practical solution to address environmental challenges. Currently, agricultural waste is widely used as a substitute for cement in the production of eco-friendly concrete. However, traditional methods for assessing the strength of such materials are both expensive and time-consuming. Therefore, this study uses machine learning techniques to develop prediction models for the compressive strength (CS) of rice husk ash (RHA) concrete. The ML techniques used in the present study include random forest (RF), light gradient boosting machine (LightGBM), ridge regression, and extreme gradient boosting (XGBoost). A total of 348 values of CS were collected from the experimental studies, and five characteristics of RHA concrete were taken as input variables. For the performance assessment of the models, multiple statistical metrics were used. During the training phase, the correlation coefficients (R) obtained for ridge regression, RF, XGBoost, and LightGBM were 0.943, 0.981, 0.985, and 0.996, respectively. In the testing set, the developed models demonstrated even higher performance, with correlation coefficients of 0.971, 0.993, 0.992, and 0.998 for ridge regression, RF, XGBoost, and LightGBM, respectively. The statistical analysis revealed that the LightGBM model outperformed other models, whereas the ridge regression model exhibited comparatively lower accuracy. SHapley Additive exPlanation (SHAP) method was employed for the interpretability of the developed model. The SHAP analysis revealed that water-to-cement is a controlling parameter in estimating the CS of RHA concrete. In conclusion, this study provides valuable guidance for builders and researchers to estimate the CS of RHA concrete. However, it is suggested that more input variables be incorporated and hybrid models utilized to further enhance the reliability and precision of the models.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Samhällsbyggnadsteknik -- Annan samhällsbyggnadsteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Civil Engineering -- Other Civil Engineering (hsv//eng)

Nyckelord

Rice husk ash
Machine learning
Compressive strength
SHAP analysis
Prediction modeling
Byggmaterial
Building Materials

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