An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined Reinforcement
This article presents the fundamentals of an analytical method for determining the stress–strain state of a railway subgrade reinforced with geosynthetic material. The reinforcement described is a combined system where the geosynthetic material forms an open shell containing a layer of compacted cru...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-12-01
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| Series: | Infrastructures |
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| Online Access: | https://www.mdpi.com/2412-3811/9/12/240 |
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| author | Ahmad Alkhdour Oleksii Tiutkin Szabolcs Fischer Dmytro Kurhan |
| author_facet | Ahmad Alkhdour Oleksii Tiutkin Szabolcs Fischer Dmytro Kurhan |
| author_sort | Ahmad Alkhdour |
| collection | DOAJ |
| description | This article presents the fundamentals of an analytical method for determining the stress–strain state of a railway subgrade reinforced with geosynthetic material. The reinforcement described is a combined system where the geosynthetic material forms an open shell containing a layer of compacted crushed stone. The overall stress–strain state is proposed to be viewed as a superposition of two states of the subgrade. The stresses and displacements in the first state refer to the unreinforced subgrade (matrix), while the stress–strain state of the reinforcement element is determined using analytical constructs from composite theory. The dependencies of the overall stress–strain state are applied in a numerical analysis, which confirms the positive effect of reduced subgrade deformations. A small-scale experimental model further validates the accuracy of the analytical approach. |
| format | Article |
| id | doaj-art-e805dc26d3c847b8a07d81e7e640d683 |
| institution | OA Journals |
| issn | 2412-3811 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Infrastructures |
| spelling | doaj-art-e805dc26d3c847b8a07d81e7e640d6832025-08-20T02:00:46ZengMDPI AGInfrastructures2412-38112024-12-0191224010.3390/infrastructures9120240An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined ReinforcementAhmad Alkhdour0Oleksii Tiutkin1Szabolcs Fischer2Dmytro Kurhan3Department of Civil Engineering, Al-Balqa Applied University, Al-Salt 19117, JordanDepartment of Transport Infrastructure, Ukrainian State University of Science and Technologies, UA-49010 Dnipro, UkraineCentral Campus Győr, Széchenyi István University, H-9026 Győr, HungaryDepartment of Transport Infrastructure, Ukrainian State University of Science and Technologies, UA-49010 Dnipro, UkraineThis article presents the fundamentals of an analytical method for determining the stress–strain state of a railway subgrade reinforced with geosynthetic material. The reinforcement described is a combined system where the geosynthetic material forms an open shell containing a layer of compacted crushed stone. The overall stress–strain state is proposed to be viewed as a superposition of two states of the subgrade. The stresses and displacements in the first state refer to the unreinforced subgrade (matrix), while the stress–strain state of the reinforcement element is determined using analytical constructs from composite theory. The dependencies of the overall stress–strain state are applied in a numerical analysis, which confirms the positive effect of reduced subgrade deformations. A small-scale experimental model further validates the accuracy of the analytical approach.https://www.mdpi.com/2412-3811/9/12/240railwaysubgradegeosynthetic materialscombined reinforcementstress–strain stateanalytical method |
| spellingShingle | Ahmad Alkhdour Oleksii Tiutkin Szabolcs Fischer Dmytro Kurhan An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined Reinforcement Infrastructures railway subgrade geosynthetic materials combined reinforcement stress–strain state analytical method |
| title | An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined Reinforcement |
| title_full | An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined Reinforcement |
| title_fullStr | An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined Reinforcement |
| title_full_unstemmed | An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined Reinforcement |
| title_short | An Analytical Method for Determining the Stress–Strain State of a Subgrade with Combined Reinforcement |
| title_sort | analytical method for determining the stress strain state of a subgrade with combined reinforcement |
| topic | railway subgrade geosynthetic materials combined reinforcement stress–strain state analytical method |
| url | https://www.mdpi.com/2412-3811/9/12/240 |
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