Investigating the Effect of Parameters on Confinement Coefficient of Reinforced Concrete Using Development of Learning Machine Models

Gege Cheng, Sai Hin Lai (), Ahmad Safuan A. Rashid, Dmitrii Vladimirovich Ulrikh and Bin Wang
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Gege Cheng: School of Teaching and Research Office, Yellow River Conservancy Technical Institute, Kaifeng 475004, China
Sai Hin Lai: Department of Civil Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
Ahmad Safuan A. Rashid: Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
Dmitrii Vladimirovich Ulrikh: Department of Urban Planning, Engineering Networks and Systems, Institute of Architecture and Construction, South Ural State University, 76, Lenin Prospect, 454080 Chelyabinsk, Russia
Bin Wang: Henan New Development Construction Group Co., Ltd., Zhengzhou 450000, China

Sustainability, 2022, vol. 15, issue 1, 1-20

Abstract: The current research aims to investigate the parameters’ effect on the confinement coefficient, K s , forecast using machine learning. Because various parameters affect the K s , a new computational model has been developed to investigate this issue. Six parameters are among the effective parameters based on previous research. Therefore, according to the dimensions of the variables in the problem, a supply–demand-based optimization (SDO) model was developed. The performance of this model is directly dependent on its main parameters, such as market size and iteration. Then, to compare the performance of the SDO model, classical models, including particle swarm size (PSO), imperialism competitive algorithm (ICA), and genetic algorithm (GA), were used. Finally, the best-developed model used different parameters to check the uncertainty obtained. For the test results, the new SDO-ANFIS model was able to obtain values of 0.9449 and 0.134 for the coefficient of determination (R2), and root mean square error (RMSE), which performed better than other models. Due to the different relationships between the parameters, different designed conditions were considered and developed based on the hybrid model and, finally, the number of longitudinal bars and diameter of lateral ties were obtained as the strongest and weakest parameters based on the developed model for this study.

Keywords: prediction; confinement coefficient; supply–demand-based optimization; concrete technology (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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