Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applications
Environmentally friendly soil improvement approaches are recently a global interest due to their lower environmental impact compared to traditional stabilizers. The traditional stabilizers, such as cement, contribute significantly to greenhouse gas emissions and soil degradation. Tragacanth Gum (TG)...
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Elsevier
2024-12-01
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| Series: | Results in Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2590123024017754 |
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| author | Alireza Tabarsa Nima Latifi Saba Zangeneh Veena Phunpeng Suksun Horpibulsuk Menglim Hoy |
| author_facet | Alireza Tabarsa Nima Latifi Saba Zangeneh Veena Phunpeng Suksun Horpibulsuk Menglim Hoy |
| author_sort | Alireza Tabarsa |
| collection | DOAJ |
| description | Environmentally friendly soil improvement approaches are recently a global interest due to their lower environmental impact compared to traditional stabilizers. The traditional stabilizers, such as cement, contribute significantly to greenhouse gas emissions and soil degradation. Tragacanth Gum (TG), a carbohydrate polymer, is an eco-friendly additive, which offers a more sustainable and less polluting alternative. Only a few studies on the strength behavior of TG stabilized soils have been conducted. This study investigates the effect of TG addition in improving low-strength sandy soil. Unconfined compressive strength (UCS), direct shear, and scanning electron microscopy (SEM) tests were carried out on stabilized sandy soil with TG at 0.5 %, 1 %, and 2 % by weight after curing times of 1, 3, and 7 days to evaluate their short-term performance. UCS values increased from 20 kPa to 72 kPa, depending on the dry unit weight of sandy soil. The TG stabilization improved cohesion value from 8 kPa to 53 kPa and internal friction angle from 30.88° to 46.64°, for dry unit weights of 16 and 17 kN/m3, respectively. This study shows the prospect of using TG as a greener additive in geotechnical and pavement applications. |
| format | Article |
| id | doaj-art-820868d3c95b4fc8b34587cc357e75e7 |
| institution | Kabale University |
| issn | 2590-1230 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Engineering |
| spelling | doaj-art-820868d3c95b4fc8b34587cc357e75e72024-12-19T10:59:52ZengElsevierResults in Engineering2590-12302024-12-0124103532Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applicationsAlireza Tabarsa0Nima Latifi1Saba Zangeneh2Veena Phunpeng3Suksun Horpibulsuk4Menglim Hoy5Department of Civil Engineering, Faculty of Engineering, Golestan University 49138-15759, Gorgan, IranThe University of British Columbia, Okanagan Campus, Kelowna, BC V1V1V7, Canada; Construction Materials Practice Lead, WSP USA Inc., Atlanta, GA, USADepartment of Civil Engineering, Faculty of Engineering, Golestan University 49138-15759, Gorgan, IranSchool of Mechanical Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; Corresponding author.Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; School of Civil Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; Academy of Science, The Royal Society of Thailand, Bangkok 10300, Thailand; Corresponding author.Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; School of Civil Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, ThailandEnvironmentally friendly soil improvement approaches are recently a global interest due to their lower environmental impact compared to traditional stabilizers. The traditional stabilizers, such as cement, contribute significantly to greenhouse gas emissions and soil degradation. Tragacanth Gum (TG), a carbohydrate polymer, is an eco-friendly additive, which offers a more sustainable and less polluting alternative. Only a few studies on the strength behavior of TG stabilized soils have been conducted. This study investigates the effect of TG addition in improving low-strength sandy soil. Unconfined compressive strength (UCS), direct shear, and scanning electron microscopy (SEM) tests were carried out on stabilized sandy soil with TG at 0.5 %, 1 %, and 2 % by weight after curing times of 1, 3, and 7 days to evaluate their short-term performance. UCS values increased from 20 kPa to 72 kPa, depending on the dry unit weight of sandy soil. The TG stabilization improved cohesion value from 8 kPa to 53 kPa and internal friction angle from 30.88° to 46.64°, for dry unit weights of 16 and 17 kN/m3, respectively. This study shows the prospect of using TG as a greener additive in geotechnical and pavement applications.http://www.sciencedirect.com/science/article/pii/S2590123024017754StabilizationTragacanth gumSandy soilShear strengthUnconfined compressive strength Pavement geotechnicsGround improvement |
| spellingShingle | Alireza Tabarsa Nima Latifi Saba Zangeneh Veena Phunpeng Suksun Horpibulsuk Menglim Hoy Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applications Results in Engineering Stabilization Tragacanth gum Sandy soil Shear strength Unconfined compressive strength Pavement geotechnics Ground improvement |
| title | Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applications |
| title_full | Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applications |
| title_fullStr | Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applications |
| title_full_unstemmed | Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applications |
| title_short | Evaluation of sandy soil stabilized with Tragacanth gum biopolymer for geotechnical applications |
| title_sort | evaluation of sandy soil stabilized with tragacanth gum biopolymer for geotechnical applications |
| topic | Stabilization Tragacanth gum Sandy soil Shear strength Unconfined compressive strength Pavement geotechnics Ground improvement |
| url | http://www.sciencedirect.com/science/article/pii/S2590123024017754 |
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