A Case Study: Dynamic Analyses of Barrette Foundations under a Pipe Rack in a High Seismicity Region

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Date

2022-09-09

Author

Akbaş, Burak
Kanun, Onur
Unutmaz, Berna
Gülerce, Zeynep
Toker, Nabi Kartal

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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The need for transportation of fluids is increasing in recent years, calling for morecomplex analyses and design of the related facilities such as tanks, pumping stations, piperacks, etc. If these are located in a high seismicity area and over a weak soil profile, thedynamic soil-structure-interaction gets even more difficult to deal with, considering the highnumber of unknowns and time constraints in most projects. In this paper, detailed dynamicanalysis performed for the foundations of a pipe rack using finite difference software ispresented. The pipe rack rests on single or braced barrette foundations in a drain column-improvedsoil profile. In each analysis, the variation of acceleration along the soil profileand maximum moment and shear force values on the foundation elements are calculated.The most critical section, from the dynamic point of view, is found as the braced barrettefoundations resting on the region where drain columns are 37 – 41 m long. Anotherinteresting aspect of the analyses is the variation in the barrette forces when theirorientations were altered by 90°. Analysis results show that the moment and shear forces forthe “old” transverse direction can be used in the longitudinal direction in the revisedorientation of the four-barrette group.

Subject Keywords

Dynamic soil-structure-interaction, Transportation facilities, Finite difference analysis, Soil improvement with drain columns, Barrette foundations

URI

https://hdl.handle.net/11511/101031

Conference Name

3rd European Conference on Earthquake Engineering and Seismology

Collections

Department of Civil Engineering, Conference / Seminar

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Citation Formats

B. Akbaş, O. Kanun, B. Unutmaz, Z. Gülerce, and N. K. Toker, “A Case Study: Dynamic Analyses of Barrette Foundations under a Pipe Rack in a High Seismicity Region,” presented at the 3rd European Conference on Earthquake Engineering and Seismology, Bucuresti, Romanya, 2022, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/101031.