To assist researchers in solving challenging structural mechanics engineering problems, finite element modeling (FEM) has grown to be a very popular technique. The several layers of various materials that make up a pavement's complicated structure and affect how it responds to stress have an impact on how it behaves. In this study, finite element analysis is done on a real existing road which is named Nowhata-Chowmasia road, situated in Rajshahi, Bangladesh. FEM is used to study this flexible pavement, which consists of 7 layers (surface, binder, base type-1, base type-2, sub-base, enhanced subgrade, and subgrade). The effect of the depth of the base layer on vertical stresses and displacements is examined using the ABAQUS/CAE 2017 modeling and simulation program. The base layer of the real existing road is 150 mm provided by the Roads and Highways Department (RHD) Rajshahi, Bangladesh. The analysis is done by measuring stress and displacement under wheel load by decreasing the base layer thickness to 100 mm and further increasing it to 200 mm. The modeling approach assumes that all materials function in a linear elastic manner. The Poisson's ratio, layer thickness, and material elastic modulus are the major inputs used in the modeling procedure. In this work, flexible pavement is simulated using a conventional axle load of 100 kN, which corresponds to a single four-wheeled axle. Finally, FEM analysis showed that the maximum stresses are 0.35 MPa, 0.27 MPa, and 0.21 MPa and maximum displacements are 0.52 mm, 0.34 mm, and 0.21 mm for 100 mm, 150 mm, and 200 mm base layer thickness respectively. So, for the increase of base layer thickness the stress and displacement are decreased.
| Published in | American Journal of Traffic and Transportation Engineering (Volume 9, Issue 5) |
| DOI | 10.11648/j.ajtte.20240905.12 |
| Page(s) | 79-88 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Finite Element Modeling (FEM), ABAQUS, Flexible Pavement, Poisson's Ratio, Elastic Modulus
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APA Style
Saha, S., Hossain, M. A., Nibir, S. N. H. (2024). A Finite Element Analysis for Investigating the Effects of Moving Loads on Flexible Pavements. American Journal of Traffic and Transportation Engineering, 9(5), 79-88. https://doi.org/10.11648/j.ajtte.20240905.12
ACS Style
Saha, S.; Hossain, M. A.; Nibir, S. N. H. A Finite Element Analysis for Investigating the Effects of Moving Loads on Flexible Pavements. Am. J. Traffic Transp. Eng. 2024, 9(5), 79-88. doi: 10.11648/j.ajtte.20240905.12
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Download@article{10.11648/j.ajtte.20240905.12,
author = {Swapnil Saha and Md. Akhtar Hossain and Shekh Nazmul Hussain Nibir},
title = {A Finite Element Analysis for Investigating the Effects of Moving Loads on Flexible Pavements
},
journal = {American Journal of Traffic and Transportation Engineering},
volume = {9},
number = {5},
pages = {79-88},
doi = {10.11648/j.ajtte.20240905.12},
url = {https://doi.org/10.11648/j.ajtte.20240905.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajtte.20240905.12},
abstract = {To assist researchers in solving challenging structural mechanics engineering problems, finite element modeling (FEM) has grown to be a very popular technique. The several layers of various materials that make up a pavement's complicated structure and affect how it responds to stress have an impact on how it behaves. In this study, finite element analysis is done on a real existing road which is named Nowhata-Chowmasia road, situated in Rajshahi, Bangladesh. FEM is used to study this flexible pavement, which consists of 7 layers (surface, binder, base type-1, base type-2, sub-base, enhanced subgrade, and subgrade). The effect of the depth of the base layer on vertical stresses and displacements is examined using the ABAQUS/CAE 2017 modeling and simulation program. The base layer of the real existing road is 150 mm provided by the Roads and Highways Department (RHD) Rajshahi, Bangladesh. The analysis is done by measuring stress and displacement under wheel load by decreasing the base layer thickness to 100 mm and further increasing it to 200 mm. The modeling approach assumes that all materials function in a linear elastic manner. The Poisson's ratio, layer thickness, and material elastic modulus are the major inputs used in the modeling procedure. In this work, flexible pavement is simulated using a conventional axle load of 100 kN, which corresponds to a single four-wheeled axle. Finally, FEM analysis showed that the maximum stresses are 0.35 MPa, 0.27 MPa, and 0.21 MPa and maximum displacements are 0.52 mm, 0.34 mm, and 0.21 mm for 100 mm, 150 mm, and 200 mm base layer thickness respectively. So, for the increase of base layer thickness the stress and displacement are decreased.
},
year = {2024}
}
TY - JOUR T1 - A Finite Element Analysis for Investigating the Effects of Moving Loads on Flexible Pavements AU - Swapnil Saha AU - Md. Akhtar Hossain AU - Shekh Nazmul Hussain Nibir Y1 - 2024/10/10 PY - 2024 N1 - https://doi.org/10.11648/j.ajtte.20240905.12 DO - 10.11648/j.ajtte.20240905.12 T2 - American Journal of Traffic and Transportation Engineering JF - American Journal of Traffic and Transportation Engineering JO - American Journal of Traffic and Transportation Engineering SP - 79 EP - 88 PB - Science Publishing Group SN - 2578-8604 UR - https://doi.org/10.11648/j.ajtte.20240905.12 AB - To assist researchers in solving challenging structural mechanics engineering problems, finite element modeling (FEM) has grown to be a very popular technique. The several layers of various materials that make up a pavement's complicated structure and affect how it responds to stress have an impact on how it behaves. In this study, finite element analysis is done on a real existing road which is named Nowhata-Chowmasia road, situated in Rajshahi, Bangladesh. FEM is used to study this flexible pavement, which consists of 7 layers (surface, binder, base type-1, base type-2, sub-base, enhanced subgrade, and subgrade). The effect of the depth of the base layer on vertical stresses and displacements is examined using the ABAQUS/CAE 2017 modeling and simulation program. The base layer of the real existing road is 150 mm provided by the Roads and Highways Department (RHD) Rajshahi, Bangladesh. The analysis is done by measuring stress and displacement under wheel load by decreasing the base layer thickness to 100 mm and further increasing it to 200 mm. The modeling approach assumes that all materials function in a linear elastic manner. The Poisson's ratio, layer thickness, and material elastic modulus are the major inputs used in the modeling procedure. In this work, flexible pavement is simulated using a conventional axle load of 100 kN, which corresponds to a single four-wheeled axle. Finally, FEM analysis showed that the maximum stresses are 0.35 MPa, 0.27 MPa, and 0.21 MPa and maximum displacements are 0.52 mm, 0.34 mm, and 0.21 mm for 100 mm, 150 mm, and 200 mm base layer thickness respectively. So, for the increase of base layer thickness the stress and displacement are decreased. VL - 9 IS - 5 ER -
Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh
