A fusion of neural, genetic and ensemble machine learning approaches for enhancing the engineering predictive capabilities of lightweight foamed reinforced concrete beam

Chen, Yang and Zeng, Jie and Jia, Jianping and Jabli, Mahjoub and Abdullah, Nermeen and Elattar, Samia and Khadimallah, Mohamed Amine and Marzouki, Riadh and Hashmi, Ahmed and Assilzadeh, Hamid (2024) A fusion of neural, genetic and ensemble machine learning approaches for enhancing the engineering predictive capabilities of lightweight foamed reinforced concrete beam. Powder Technology, 440. p. 119680. ISSN 0032-5910, DOI https://doi.org/10.1016/j.powtec.2024.119680.

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Official URL: https://doi.org/10.1016/j.powtec.2024.119680

Abstract

This research explores lightweight foamed reinforced concrete beams, crucial in modern construction for their strength and reduced weight. It introduces a novel approach, integrating three machine learning models: Neural Networks (NNs), Genetic Algorithms (GAs), and Ensemble Techniques, especially Gradient Boosting Machines (GBM). The study evaluates a dataset of 100 tests under various stress conditions, leveraging NNs for deep learning, GAs for feature optimization, and the robustness of GBM. The results demonstrate NNs achieving 88.5% deflection accuracy, 87% load -bearing capacity, and 86% failure point accuracy. GAs show slightly lower performance, while GBM excels with 90.2%, 91%, and 89% in these areas, respectively. Notably, the combined model significantly improves accuracy, reaching 96.8% in deflection, 97.2% in load -bearing capacity, and 96.5% in failure point prediction. This fusion of diverse machine learning approaches marks a significant advancement in structural engineering, enhancing predictive modeling for concrete beams.

Item Type: Article
Funders: Science and Technology Research Program of Chongqing Municipal Education Commission (KJZD-K202204301) ; (KJZD-K202304302), Chongqing Construction Science and Technology Programme Project (5-9), Princess Nourah bint Abdulrahman University (PNURSP2024R730), Prince Sattam bin Abdulaziz University (PSAU/2024/R/1445)
Uncontrolled Keywords: Lightweight foamed reinforced concrete beams; Neural networks (NNs); Genetic algorithms (GAs); Ensemble techniques; Gradient boosting machines (GBM); Predictive modeling
Subjects: Q Science > QD Chemistry
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering > Department of Civil Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 30 Sep 2024 04:48
Last Modified: 30 Sep 2024 04:48
URI: http://eprints.um.edu.my/id/eprint/45259

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