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- Title
Hybrid Ensemble Model for Predicting the Strength of FRP Laminates Bonded to the Concrete.
- Authors
Alabdullh, Anas Abdulalem; Biswas, Rahul; Gudainiyan, Jitendra; Khan, Kaffayatullah; Bujbarah, Abdullah Hussain; Alabdulwahab, Qasem Ahmed; Amin, Muhammad Nasir; Iqbal, Mudassir
- Abstract
The goal of this work was to use a hybrid ensemble machine learning approach to estimate the interfacial bond strength (IFB) of fibre-reinforced polymer laminates (FRPL) bonded to the concrete using the results of a single shear-lap test. A database comprising 136 data was used to train and validate six standalone machine learning models, namely, artificial neural network (ANN), extreme machine learning (ELM), the group method of data handling (GMDH), multivariate adaptive regression splines (MARS), least square-support vector machine (LSSVM), and Gaussian process regression (GPR). The hybrid ensemble (HENS) model was subsequently built, employing the combined and trained predicted outputs of the ANN, ELM, GMDH, MARS, LSSVM, and GPR models. In comparison with the standalone models employed in the current investigation, it was observed that the suggested HENS model generated superior predicted accuracy with R2 (training = 0.9783, testing = 0.9287), VAF (training = 97.83, testing = 92.87), RMSE (training = 0.0300, testing = 0.0613), and MAE (training = 0.0212, testing = 0.0443). Using the training and testing dataset to assess the predictive performance of all models for IFB prediction, it was discovered that the HENS model had the greatest predictive accuracy throughout both stages with an R2 of 0.9663. According to the findings of the experiments, the newly developed HENS model has a great deal of promise to be a fresh approach to deal with the overfitting problems of CML models and thus may be utilised to forecast the IFB of FRPL.
- Subjects
INTERFACIAL bonding; ARTIFICIAL neural networks; KRIGING; MACHINE learning; CONCRETE; BOND strengths
- Publication
Polymers (20734360), 2022, Vol 14, Issue 17, p3505
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym14173505