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Structural Engineering and Mechanics Volume 52, Number 5, December10 2014 , pages 971-995 DOI: https://doi.org/10.12989/sem.2014.52.5.971 |
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Buckling analysis of semi-rigid connected and partially embedded pile in elastic soil using differential transform method |
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Seval Catal
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| Abstract | ||
| The parts of semi-rigid connected and partially embedded piles in elastic soil, above the soil and embedded in the soil are called the first region and second region, respectively. The upper end of the pile in the first region is supported by linear-elastic rotational spring. The forth order differential equations of both region for critical buckling load of partially embedded and semi-rigid connected pile with shear deformation are established using small-displacement theory and Winkler hypothesis. These differential equations are solved by differential transform method (DTM) and analytical method and critical buckling loads of semirigid connected and partially embedded pile are obtained, results are given in tables and graphs are presented for investigating the effects of relative stiffness of the pile and flexibility of rotational spring. | ||
| Key Words | ||
| differential transform method, semi-rigid connected, partially embedded pile, non-trivial solution, buckling | ||
| Address | ||
| Seval Catal: Civil Engineering Department, Engineering Faculty, Dokuz Eylul University, 35160, Buca, Izmir, Turkey | ||