Study on Closely Spaced Asymmetric Footings Embedded in a Reinforced Soil Medium
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional de Colombia
2023
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| _version_ | 1876439611055538176 |
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| author | Anupkumar G. Ekbote |
| author_facet | Anupkumar G. Ekbote |
| contents | Study on Closely Spaced Asymmetric Footings Embedded in a Reinforced Soil Medium Anupkumar G. Ekbote Lohitkumar Nainegali Ingeniería settlement Interference asymmetric footings ultimate bearing capacity In practice, footings are rarely laid on the surface or at ground level; usually, they are embedded in the soil medium. Most studies focus on surface footings. This research examines the behavior of two interfering asymmetric footings while considering their widths to be dissimilar and the effect of embedment depth to enhance the ultimate bearing capacity and limit the settlement within the working range. This was evaluated through the finite element method of the ABAQUS software. The soil was assumed to have a Mohr-Coulomb failure, and the asymmetry corresponded to the footing widths. The results are presented in terms of interference factors, i.e., the ultimate bearing capacity (UBC) and the settlement, which are defined as the UBC/settlement ratio of the left/ right footing in the presence of the other one placed on reinforced soil. This, in comparison with an identical isolated footing on unreinforced soil. Interference is more significant in small footings than in large ones. Due to behavioral variations, the bearing capacity and settlement are different. This effect increases with an increase in the width of large footings, and the interference factors decrease with an increase in the embedment depth of the footings. When the right footing width is twice that of the other and considering one layer of reinforcement and soil friction angles of 30° and 40°, the per-cent increments in the bearing capacity of interfering left footings, for a spacing of 0,5 times the left footing width, are 104 and 148%, respectively. 2023 artículo científico 0120-5609 https://www.redalyc.org/articulo.oa?id=64379917005 https://www.redalyc.org/journal/643/64379917005/ https://www.redalyc.org/journal/643/64379917005/html/ https://www.redalyc.org/journal/643/64379917005/64379917005.epub https://www.redalyc.org/journal/643/64379917005/movil 10.15446/ing.investig.101082 en http://www.redalyc.org/revista.oa?id=643 Ingeniería e Investigación application/pdf Universidad Nacional de Colombia Ingeniería e Investigación (Colombia) Num.3 Vol.43 |
| format | Artículo científico |
| id | redalyc_64379917005 |
| institution | Redalyc |
| language | en |
| publishDate | 2023 |
| publisher | Universidad Nacional de Colombia |
| spellingShingle | Study on Closely Spaced Asymmetric Footings Embedded in a Reinforced Soil Medium Anupkumar G. Ekbote Ingeniería settlement Interference asymmetric footings ultimate bearing capacity Study on Closely Spaced Asymmetric Footings Embedded in a Reinforced Soil Medium Anupkumar G. Ekbote Lohitkumar Nainegali Ingeniería settlement Interference asymmetric footings ultimate bearing capacity In practice, footings are rarely laid on the surface or at ground level; usually, they are embedded in the soil medium. Most studies focus on surface footings. This research examines the behavior of two interfering asymmetric footings while considering their widths to be dissimilar and the effect of embedment depth to enhance the ultimate bearing capacity and limit the settlement within the working range. This was evaluated through the finite element method of the ABAQUS software. The soil was assumed to have a Mohr-Coulomb failure, and the asymmetry corresponded to the footing widths. The results are presented in terms of interference factors, i.e., the ultimate bearing capacity (UBC) and the settlement, which are defined as the UBC/settlement ratio of the left/ right footing in the presence of the other one placed on reinforced soil. This, in comparison with an identical isolated footing on unreinforced soil. Interference is more significant in small footings than in large ones. Due to behavioral variations, the bearing capacity and settlement are different. This effect increases with an increase in the width of large footings, and the interference factors decrease with an increase in the embedment depth of the footings. When the right footing width is twice that of the other and considering one layer of reinforcement and soil friction angles of 30° and 40°, the per-cent increments in the bearing capacity of interfering left footings, for a spacing of 0,5 times the left footing width, are 104 and 148%, respectively. 2023 artículo científico 0120-5609 https://www.redalyc.org/articulo.oa?id=64379917005 https://www.redalyc.org/journal/643/64379917005/ https://www.redalyc.org/journal/643/64379917005/html/ https://www.redalyc.org/journal/643/64379917005/64379917005.epub https://www.redalyc.org/journal/643/64379917005/movil 10.15446/ing.investig.101082 en http://www.redalyc.org/revista.oa?id=643 Ingeniería e Investigación application/pdf Universidad Nacional de Colombia Ingeniería e Investigación (Colombia) Num.3 Vol.43 |
| title | Study on Closely Spaced Asymmetric Footings Embedded in a Reinforced Soil Medium |
| topic | Ingeniería settlement Interference asymmetric footings ultimate bearing capacity |
| url | https://www.redalyc.org/articulo.oa?id=64379917005 https://www.redalyc.org/journal/643/64379917005/ https://www.redalyc.org/journal/643/64379917005/html/ https://www.redalyc.org/journal/643/64379917005/64379917005.epub https://www.redalyc.org/journal/643/64379917005/movil |