Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment

In order to accurately analyze the bending problem of T-section beams, a novel analytical method is proposed based on the simplified mechanical model of T-section beams with different tension and compression moduli. Firstly, the expressions of the neutral layer position, normal stress, bending stiff...

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Autores principales:	Aijun Li, Zijiang Yang, Shizhong Liu, Yanhai Liu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Different moduli Analytical method Flexural modulus Polymethyl methacrylate Flexural behavior Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/413cd97799f74cecb0bad6fb3dc72c8d
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id	oai:doaj.org-article:413cd97799f74cecb0bad6fb3dc72c8d
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spelling	oai:doaj.org-article:413cd97799f74cecb0bad6fb3dc72c8d2021-11-14T04:28:03ZStudy on different moduli T-section beams: Pure bending elastic solution and PMMA experiment0142-941810.1016/j.polymertesting.2021.107397https://doaj.org/article/413cd97799f74cecb0bad6fb3dc72c8d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941821003421https://doaj.org/toc/0142-9418In order to accurately analyze the bending problem of T-section beams, a novel analytical method is proposed based on the simplified mechanical model of T-section beams with different tension and compression moduli. Firstly, the expressions of the neutral layer position, normal stress, bending stiffness and displacement of the four-point bending test beam of two types of T-section beams are derived based on the classical beam theory. Then, the expressions of the rectangular section beam are obtained by degenerating the expressions of T-section. Finally, the proposed method is verified via the finite element simulation and the four-point bending test beam of two types of T-section beams with Polymethyl methacrylate (PMMA). From the comparative analysis, the theoretical solutions of the proposed analytical method agree well with the results of the experimental data and the finite element. The flexural modulus can be obtained accurately by the proposed method with the compression and tensile moduli of the beam, which can be used as an efficient and theoretical approach to determine the flexural modulus of the T beam instead of conducting bending experiments.Aijun LiZijiang YangShizhong LiuYanhai LiuElsevierarticleDifferent moduliAnalytical methodFlexural modulusPolymethyl methacrylateFlexural behaviorPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 104, Iss , Pp 107397- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Different moduli Analytical method Flexural modulus Polymethyl methacrylate Flexural behavior Polymers and polymer manufacture TP1080-1185
spellingShingle	Different moduli Analytical method Flexural modulus Polymethyl methacrylate Flexural behavior Polymers and polymer manufacture TP1080-1185 Aijun Li Zijiang Yang Shizhong Liu Yanhai Liu Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment
description	In order to accurately analyze the bending problem of T-section beams, a novel analytical method is proposed based on the simplified mechanical model of T-section beams with different tension and compression moduli. Firstly, the expressions of the neutral layer position, normal stress, bending stiffness and displacement of the four-point bending test beam of two types of T-section beams are derived based on the classical beam theory. Then, the expressions of the rectangular section beam are obtained by degenerating the expressions of T-section. Finally, the proposed method is verified via the finite element simulation and the four-point bending test beam of two types of T-section beams with Polymethyl methacrylate (PMMA). From the comparative analysis, the theoretical solutions of the proposed analytical method agree well with the results of the experimental data and the finite element. The flexural modulus can be obtained accurately by the proposed method with the compression and tensile moduli of the beam, which can be used as an efficient and theoretical approach to determine the flexural modulus of the T beam instead of conducting bending experiments.
format	article
author	Aijun Li Zijiang Yang Shizhong Liu Yanhai Liu
author_facet	Aijun Li Zijiang Yang Shizhong Liu Yanhai Liu
author_sort	Aijun Li
title	Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment
title_short	Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment
title_full	Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment
title_fullStr	Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment
title_full_unstemmed	Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment
title_sort	study on different moduli t-section beams: pure bending elastic solution and pmma experiment
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/413cd97799f74cecb0bad6fb3dc72c8d
work_keys_str_mv	AT aijunli studyondifferentmodulitsectionbeamspurebendingelasticsolutionandpmmaexperiment AT zijiangyang studyondifferentmodulitsectionbeamspurebendingelasticsolutionandpmmaexperiment AT shizhongliu studyondifferentmodulitsectionbeamspurebendingelasticsolutionandpmmaexperiment AT yanhailiu studyondifferentmodulitsectionbeamspurebendingelasticsolutionandpmmaexperiment
_version_	1718430008597282816

Study on different moduli T-section beams: Pure bending elastic solution and PMMA experiment

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