Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method

Abstract In many countries of the world, rigid and flexible pavements are widely used. Some of the external factors such as stresses and displacements play major role in the design of pavement layers such as coating, base and sub-base. Although empirical formulas and methods were used in the calcula...

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Autores principales:	Serin,Sercan, Oğuzhanoğlu,Muhammed Ahmet, Kayadelen,Cafer
Lenguaje:	English
Publicado:	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile 2021
Materias:	rigid and flexible pavements ANSYS stress displacement layer thickness
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2021000200321
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spelling	oai:scielo:S0718-915X20210002003212021-09-15Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element methodSerin,SercanOğuzhanoğlu,Muhammed AhmetKayadelen,Cafer rigid and flexible pavements ANSYS stress displacement layer thickness Abstract In many countries of the world, rigid and flexible pavements are widely used. Some of the external factors such as stresses and displacements play major role in the design of pavement layers such as coating, base and sub-base. Although empirical formulas and methods were used in the calculation and design of the pavement layers, complexity of today's transportation engineering demands effectiveness of the empirical formulas were diminished. Nowadays complex problems can be easily simulated and solved thanks to the higher analysis capabilities of the computer-aided softwares. In this study, the stress distributions and displacements were examined under traffic loads in rigid and flexible pavements with different coating layer thicknesses (30 mm, 50mm, 70mm, 100 mm, and 150 mm) by using finite element method. As a result, the vertical displacement in the flexible pavements were obtained as 5% higher than the vertical displacement in the rigid pavements. Based on the stress distribution results, the stress values of flexible pavements were 60% lower than the stress values of the rigid pavements. Moreover, It was determined that the stresses in the rigid pavements remain in the coating layer, while the stresses in the flexible pavements reach the base and sub-base. In addition, regression models have been developed to predict stress and displacements by using layer thicknesses. High correlation and determination coefficient values (> 0.90) were achieved based on the regression analysis both in flexible and rigid pavements.info:eu-repo/semantics/openAccessEscuela de Construcción Civil, Pontificia Universidad Católica de ChileRevista de la construcción v.20 n.2 20212021-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2021000200321en10.7764/rdlc.20.2.321
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	rigid and flexible pavements ANSYS stress displacement layer thickness
spellingShingle	rigid and flexible pavements ANSYS stress displacement layer thickness Serin,Sercan Oğuzhanoğlu,Muhammed Ahmet Kayadelen,Cafer Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method
description	Abstract In many countries of the world, rigid and flexible pavements are widely used. Some of the external factors such as stresses and displacements play major role in the design of pavement layers such as coating, base and sub-base. Although empirical formulas and methods were used in the calculation and design of the pavement layers, complexity of today's transportation engineering demands effectiveness of the empirical formulas were diminished. Nowadays complex problems can be easily simulated and solved thanks to the higher analysis capabilities of the computer-aided softwares. In this study, the stress distributions and displacements were examined under traffic loads in rigid and flexible pavements with different coating layer thicknesses (30 mm, 50mm, 70mm, 100 mm, and 150 mm) by using finite element method. As a result, the vertical displacement in the flexible pavements were obtained as 5% higher than the vertical displacement in the rigid pavements. Based on the stress distribution results, the stress values of flexible pavements were 60% lower than the stress values of the rigid pavements. Moreover, It was determined that the stresses in the rigid pavements remain in the coating layer, while the stresses in the flexible pavements reach the base and sub-base. In addition, regression models have been developed to predict stress and displacements by using layer thicknesses. High correlation and determination coefficient values (> 0.90) were achieved based on the regression analysis both in flexible and rigid pavements.
author	Serin,Sercan Oğuzhanoğlu,Muhammed Ahmet Kayadelen,Cafer
author_facet	Serin,Sercan Oğuzhanoğlu,Muhammed Ahmet Kayadelen,Cafer
author_sort	Serin,Sercan
title	Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method
title_short	Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method
title_full	Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method
title_fullStr	Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method
title_full_unstemmed	Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method
title_sort	comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method
publisher	Escuela de Construcción Civil, Pontificia Universidad Católica de Chile
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-915X2021000200321
work_keys_str_mv	AT serinsercan comparativeanalysisofstressdistributionsanddisplacementsinrigidandflexiblepavementsviafiniteelementmethod AT o287uzhano287lumuhammedahmet comparativeanalysisofstressdistributionsanddisplacementsinrigidandflexiblepavementsviafiniteelementmethod AT kayadelencafer comparativeanalysisofstressdistributionsanddisplacementsinrigidandflexiblepavementsviafiniteelementmethod
_version_	1718324139600642048

Comparative analysis of stress distributions and displacements in rigid and flexible pavements via finite element method

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