RESEARCH ARTICLE


A Comparative Assessment of Regularized Regression Techniques for Modeling the Mechanical Properties of Rubberized Concrete



Bilal Yasin1, Faroq Maraqa2, Eid Al-Sahawneh2, Jamal Al Adwan2, Yazan Alzubi2, *
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1 Department of Civil Engineering, Faculty of Engineering, Al Albayt University, Mafraq, 25113, Jordan
2 Department of Civil Engineering, Faculty of Engineering Technology Al-Balqa Applied University, Amman, 11134, Jordan


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Creative Commons License
© 2022 Yasin et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Civil Engineering, Faculty of Engineering Technology Al-Balqa Applied University, Amman, 11134, Jordan; E-mail: yazan.alzubi@bau.edu.jo


Abstract

Background:

Over the last few decades, many researchers have investigated the properties and behavior of concrete mixtures incorporating rubber-based solid wastes as a partial substitution of natural aggregates. Within this context, they have conducted experimental studies and developed numerical models that simulate the nature of rubberized concrete. Some of these mathematical simulations were intended to provide a rapid mixture of proportioning approaches and property estimation methods. Currently, it is believed that regression analysis provides an effective tool to simply construct a mathematical expression that models a set of data. For that reason, multiple linear regression was extensively utilized in predicting rubberized concrete properties in the literature. However, the performances of regularized regression analysis approaches were not evaluated even though they provide better alternatives to traditional regression methods in terms of controlling the overfitting issue.

Objective:

This study aims to assess the performance of Ridge, Lasso, and elastic net regression models in estimating the compressive and tensile strengths, and modulus of elasticity of rubberized concrete. Additionally, it intends to benchmark their capabilities against the traditional multiple linear regression method.

Methods:

Multiple linear regression, Ridge regression, Lasso regression, ElasticNet regression, Bayesian ridge regression, Stochastic gradient descent, Huber regression, and Quantile regression methods were used in the study.

Result:

In general, the research findings illustrated the superior performance of regression assessment in modeling the mechanical properties of rubberized concrete.

Conclusion:

Indeed rubberized concrete mechanical properties can be better modeled using regularized regression techniques, such as ElasticNet-based SGD compared to traditional methods, such as MLR.

Keywords: Rubberized concrete, Mechanical properties, Regression analysis, Regularization methods, ElasticNet, MLR.