Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) composites

Pultruded fiber-reinforced polymer composites are emerging as construction material in civil engineering infrastructure. These composites are susceptible to degradation when exposed to long-term environmental conditions. This paper employs various machine learning models to predict the mechanical pr...

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Main Authors: Ammar A. Alshannaq, Mohammad F. Tamimi, Muath I. Abu Qamar
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Results in Engineering
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Online Access:http://www.sciencedirect.com/science/article/pii/S2590123025002841
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author Ammar A. Alshannaq
Mohammad F. Tamimi
Muath I. Abu Qamar
author_facet Ammar A. Alshannaq
Mohammad F. Tamimi
Muath I. Abu Qamar
author_sort Ammar A. Alshannaq
collection DOAJ
description Pultruded fiber-reinforced polymer composites are emerging as construction material in civil engineering infrastructure. These composites are susceptible to degradation when exposed to long-term environmental conditions. This paper employs various machine learning models to predict the mechanical properties under various environmental exposures. A large dataset of experimental results of pultruded composites exposed to moisture, alkaline or acidic solutions, temperature, UV radiation, freeze-thaw and wet-dry cycles, and in-situ environments has been collected from literature and used to train and test the machine learning models. The aim is to provide the best machine learning models that can predict the mechanical properties with no or minimal testing thus reducing time and cost. Moreover, these models are intended to help implement design according to specifications and standards. The results reveal that Decision Trees, Artificial Neural Networks, and Random Forests are the best models to predict behavior of pultruded composites under environmental exposure, which achieved R2 values of 0.9647, 0.9537, and 0.8970, respectively for the case of flexural strength. Moreover, the results emphasize that the mechanical properties are highly dependent on the fiber and matrix types, the aging effect, the fiber volume fraction, the temperature and the exposure period. The models can be exploited to predict long-term effects of environmental conditions on mechanical properties of pultruded composites without extensive experimental testing. The findings presented in the current study can assist codes and standards in the design of structural systems utilizing pultruded composites without relying on the conservative strength reduction factors but rather in machine learning and modelling of experimental data.
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spelling doaj-art-251ce94753ab48acb1120b30edd3c9cc2025-02-05T04:32:36ZengElsevierResults in Engineering2590-12302025-03-0125104198Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) compositesAmmar A. Alshannaq0Mohammad F. Tamimi1Muath I. Abu Qamar2Corresponding author.; Assistant Professor, Department of Civil Engineering, Yarmouk University, P.O. Box 566, Irbid 21163, JordanAssistant Professor, Department of Civil Engineering, Yarmouk University, P.O. Box 566, Irbid 21163, JordanAssistant Professor, Department of Civil Engineering, Yarmouk University, P.O. Box 566, Irbid 21163, JordanPultruded fiber-reinforced polymer composites are emerging as construction material in civil engineering infrastructure. These composites are susceptible to degradation when exposed to long-term environmental conditions. This paper employs various machine learning models to predict the mechanical properties under various environmental exposures. A large dataset of experimental results of pultruded composites exposed to moisture, alkaline or acidic solutions, temperature, UV radiation, freeze-thaw and wet-dry cycles, and in-situ environments has been collected from literature and used to train and test the machine learning models. The aim is to provide the best machine learning models that can predict the mechanical properties with no or minimal testing thus reducing time and cost. Moreover, these models are intended to help implement design according to specifications and standards. The results reveal that Decision Trees, Artificial Neural Networks, and Random Forests are the best models to predict behavior of pultruded composites under environmental exposure, which achieved R2 values of 0.9647, 0.9537, and 0.8970, respectively for the case of flexural strength. Moreover, the results emphasize that the mechanical properties are highly dependent on the fiber and matrix types, the aging effect, the fiber volume fraction, the temperature and the exposure period. The models can be exploited to predict long-term effects of environmental conditions on mechanical properties of pultruded composites without extensive experimental testing. The findings presented in the current study can assist codes and standards in the design of structural systems utilizing pultruded composites without relying on the conservative strength reduction factors but rather in machine learning and modelling of experimental data.http://www.sciencedirect.com/science/article/pii/S2590123025002841DurabilityEnvironmental effectsMachine learningMechanical propertiesPultruded fiber-reinforced polymer
spellingShingle Ammar A. Alshannaq
Mohammad F. Tamimi
Muath I. Abu Qamar
Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) composites
Results in Engineering
Durability
Environmental effects
Machine learning
Mechanical properties
Pultruded fiber-reinforced polymer
title Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) composites
title_full Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) composites
title_fullStr Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) composites
title_full_unstemmed Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) composites
title_short Machine learning-assisted prediction of durability behavior in pultruded fiber-reinforced polymeric (PFRP) composites
title_sort machine learning assisted prediction of durability behavior in pultruded fiber reinforced polymeric pfrp composites
topic Durability
Environmental effects
Machine learning
Mechanical properties
Pultruded fiber-reinforced polymer
url http://www.sciencedirect.com/science/article/pii/S2590123025002841
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AT mohammadftamimi machinelearningassistedpredictionofdurabilitybehaviorinpultrudedfiberreinforcedpolymericpfrpcomposites
AT muathiabuqamar machinelearningassistedpredictionofdurabilitybehaviorinpultrudedfiberreinforcedpolymericpfrpcomposites