A platform for research: civil engineering, architecture and urbanism
Effect of foundation shape and properties of the adjacent buildings on the railway-induced vibrations
Controlling the ground-borne vibrations affecting structures by changing the geometry and weight of foundation as an inexpensive and efficient method has rarely been considered by researchers. In this article, the effect of foundation geometry and weight built on different soil types on the induced vibration level in a building at the proximity of the railway track is investigated. To this end, a three-dimensional finite/infinite element model including soil, building and track is developed by considering the elastodynamic aspects. The accuracy of numerical modeling is demonstrated using the field tests. A comprehensive parametric analysis on three soil types (soft, medium and stiff) and specifications of building foundation is conducted. The obtained results unveiled that, contrary to the existing belief, foundation integration or increasing its weight does not necessarily end in the reduction in vibration level in building floors. Also, the transferred level of vibration to the building floors depends on the soil type, foundation properties and roof natural frequency. The findings highlight an orthogonal strip foundation in soft soil and single footing in medium and stiff soils transfer smaller vibration amplitude to floors. Additionally, the strip footing with greater weight on soft soil results in the highest vibration reduction in floors, while the single footing with lower weight on stiff soil has the same effect.
Effect of foundation shape and properties of the adjacent buildings on the railway-induced vibrations
Controlling the ground-borne vibrations affecting structures by changing the geometry and weight of foundation as an inexpensive and efficient method has rarely been considered by researchers. In this article, the effect of foundation geometry and weight built on different soil types on the induced vibration level in a building at the proximity of the railway track is investigated. To this end, a three-dimensional finite/infinite element model including soil, building and track is developed by considering the elastodynamic aspects. The accuracy of numerical modeling is demonstrated using the field tests. A comprehensive parametric analysis on three soil types (soft, medium and stiff) and specifications of building foundation is conducted. The obtained results unveiled that, contrary to the existing belief, foundation integration or increasing its weight does not necessarily end in the reduction in vibration level in building floors. Also, the transferred level of vibration to the building floors depends on the soil type, foundation properties and roof natural frequency. The findings highlight an orthogonal strip foundation in soft soil and single footing in medium and stiff soils transfer smaller vibration amplitude to floors. Additionally, the strip footing with greater weight on soft soil results in the highest vibration reduction in floors, while the single footing with lower weight on stiff soil has the same effect.
Effect of foundation shape and properties of the adjacent buildings on the railway-induced vibrations
Asian J Civ Eng
Zakeri, Jabbarali (author) / Esmaeili, Morteza (author) / Mousavi-Rahimi, Mehrad (author)
Asian Journal of Civil Engineering ; 21 ; 1095-1108
2020-11-01
14 pages
Article (Journal)
Electronic Resource
English
Reduction of Train-induced Vibrations on Adjacent Buildings
British Library Conference Proceedings | 1999
|Reduction of train-induced vibrations on adjacent buildings
British Library Online Contents | 2001
|Effect Analysis on Foundation Pit Excavation Adjacent to Existing Railway
British Library Conference Proceedings | 2013
|