Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway Embankment
The development of reinforcements for soil has made an impact in most of the civil engineering sectors especially transportation. The use of geogrids is frequent in roadways but they are also finding use in railways. The major impact that geogrids could have is providing desired stiffness to a secti...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Riga Technical University Press
2022-09-01
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| Series: | The Baltic Journal of Road and Bridge Engineering |
| Subjects: | |
| Online Access: | https://bjrbe-journals.rtu.lv/article/view/5903 |
| _version_ | 1826953249881587712 |
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| author | Anoop Bhardwaj Satyendra Mittal |
| author_facet | Anoop Bhardwaj Satyendra Mittal |
| author_sort | Anoop Bhardwaj |
| collection | DOAJ |
| description | The development of reinforcements for soil has made an impact in most of the civil engineering sectors especially transportation. The use of geogrids is frequent in roadways but they are also finding use in railways. The major impact that geogrids could have is providing desired stiffness to a section by reducing material and serving as a proper reinforcement material. In the current study, an attempt has been made to redesign the railway embankment economically with the help of geogrids. Biaxial geogrid is used to substitute the blanket layer (thickness up to 100 cm) in the railway embankment by fulfilling the strain modulus requirement of the embankment, calculated using a plate bearing test as per DIN 18134. The experiment is performed on the embankment replicated in a metallic test chamber with granular soil as subgrade and geogrid is placed beneath the ballast. The experimental study is validated by a 3-D numerical model using Midas GTS NX software. The experimental analysis shows an improvement of 31.47% in the second modulus of the earth embankment. For the implementation of this study, a design section of Indian railways is adopted. With the help of geogrid, a reduction of 50% is observed in the embankment height, thereby reducing the overall costs. |
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| format | Article |
| id | doaj.art-89ba12606f5f4f84873b5da6a1a6d058 |
| institution | Directory Open Access Journal |
| issn | 1822-427X 1822-4288 |
| language | English |
| last_indexed | 2025-02-17T23:19:06Z |
| publishDate | 2022-09-01 |
| publisher | Riga Technical University Press |
| record_format | Article |
| series | The Baltic Journal of Road and Bridge Engineering |
| spelling | doaj.art-89ba12606f5f4f84873b5da6a1a6d0582024-12-02T06:19:49ZengRiga Technical University PressThe Baltic Journal of Road and Bridge Engineering1822-427X1822-42882022-09-0117312010.7250/bjrbe.2022-17.5662936Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway EmbankmentAnoop Bhardwaj0Satyendra Mittal1School of Civil Engineering, Lovely Professional University, Phagwara, Punjab, IndiaDepartment of Civil Engineering, IIT Roorkee, Haridwar, IndiaThe development of reinforcements for soil has made an impact in most of the civil engineering sectors especially transportation. The use of geogrids is frequent in roadways but they are also finding use in railways. The major impact that geogrids could have is providing desired stiffness to a section by reducing material and serving as a proper reinforcement material. In the current study, an attempt has been made to redesign the railway embankment economically with the help of geogrids. Biaxial geogrid is used to substitute the blanket layer (thickness up to 100 cm) in the railway embankment by fulfilling the strain modulus requirement of the embankment, calculated using a plate bearing test as per DIN 18134. The experiment is performed on the embankment replicated in a metallic test chamber with granular soil as subgrade and geogrid is placed beneath the ballast. The experimental study is validated by a 3-D numerical model using Midas GTS NX software. The experimental analysis shows an improvement of 31.47% in the second modulus of the earth embankment. For the implementation of this study, a design section of Indian railways is adopted. With the help of geogrid, a reduction of 50% is observed in the embankment height, thereby reducing the overall costs.https://bjrbe-journals.rtu.lv/article/view/5903deformation modulusgeogridsgranular earth bedhigh-speed embankmentplate load bearing testreinforced embankments |
| spellingShingle | Anoop Bhardwaj Satyendra Mittal Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway Embankment The Baltic Journal of Road and Bridge Engineering deformation modulus geogrids granular earth bed high-speed embankment plate load bearing test reinforced embankments |
| title | Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway Embankment |
| title_full | Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway Embankment |
| title_fullStr | Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway Embankment |
| title_full_unstemmed | Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway Embankment |
| title_short | Influence of Biaxial Geogrid at the Ballast Interface for Granular Earth Railway Embankment |
| title_sort | influence of biaxial geogrid at the ballast interface for granular earth railway embankment |
| topic | deformation modulus geogrids granular earth bed high-speed embankment plate load bearing test reinforced embankments |
| url | https://bjrbe-journals.rtu.lv/article/view/5903 |
| work_keys_str_mv | AT anoopbhardwaj influenceofbiaxialgeogridattheballastinterfaceforgranularearthrailwayembankment AT satyendramittal influenceofbiaxialgeogridattheballastinterfaceforgranularearthrailwayembankment |