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Wind and Structures Volume 26, Number 6, June 2018 , pages 343-354 DOI: https://doi.org/10.12989/was.2018.26.6.343 |
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Nonlinear analysis of a riverine platform under earthquake and environmental loads |
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Ahmed Abdelraheem Farghaly and Denise-Penelope N. Kontoni
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| Abstract | ||
| A realistic FEM structural model is developed to predict the behavior, load transfer, force distribution and performance of a riverine platform under earthquake and environmental loads. The interaction between the transfer plate and the piles supporting the platform is investigated. Transfer plate structures have the ability to redistribute the loads from the superstructure above to piles group below, to provide safe transits of loads to piles group and thus to the soil, without failure of soil or structural elements. The distribution of piles affects the distribution of stress on both soil and platform. A materially nonlinear earthquake response spectrum analysis was performed on this riverine platform subjected to earthquake and environmental loads. A fixed connection between the piles and the platform is better in the design of the piles and the prospect of piles collapse is low while a hinged connection makes the prospect of damage high because of the larger displacements. A fixed connection between the piles and the platform is the most demanding case in the design of the platform slab (transfer plate) because of the high stress values developed. | ||
| Key Words | ||
| riverine platform; pile group foundation; soil-pile interaction; earthquake loads; environmental loads; materially nonlinear analysis; response spectrum analysis; FEM | ||
| Address | ||
| Ahmed Abdelraheem Farghaly : Department of Civil and Architectural Constructions, Faculty of Industrial Education, Sohag University, Sohag 82524, Egypt Denise-Penelope N. Kontoni: Department of Civil Engineering, Technological Educational Institute of Western Greece, 1 M. Alexandrou Str., Koukouli, GR-26334 Patras, Greece | ||