Railway Traffic Vibration Impact Analysis on Surrounding Buildings by FEM—Case Study: TER (Regional Express Train) Dakar—AIBD — Oak Academic Publishing
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Railway Traffic Vibration Impact Analysis on Surrounding Buildings by FEM—Case Study: TER (Regional Express Train) Dakar—AIBD
Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
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Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
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Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
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Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
1 Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
2 Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
3 Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
4 Laboratoire de Mécanique et de Modélisation, UFR Sciences de l’Ingénieur, Université de Thiès, Thiès, Sénégal
The vibrations induced by railway traffic can affect the stability of structures, buildings and buried structures. To evaluate this impact, this study was carried out considering the case of the Regional Express Train which will connect Dakar to Blaise Diagne International Airport. For that, the modeling software Plaxis dynamic [ 1 ], able to generate harmonic loads, is used and permitted to have a dynamic analysis and comparison between static and dynamic load for one passage of the train for 2.56 s. In the modeling, two behavior laws were used those of Mohr Coulomb for the layers of soil, embankments and the form layer, and then the linear elastic model for the rest of the elements. The results obtained showed extreme vertical displacements 40.18 mm for the building and when no load is applied on the track, there was 40.24 mm for a static load, and 40.17 mm for a dynamic load. Also, it was observed for the track a displacement of 33.73 mm for a static load and 19.83 mm for a dynamic load. However, further studies are necessary to take into account the permanent deformation after an accurate cycle of train passage in order to better evaluate the railway traffic impact.
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