The Seismic Soil-Structure Interaction Effect for Pile-Raft Systems

Nicolae Ungureanu, Mihai Vrabie, Iancu Bogdan Teodoru

Abstract


The horizontal displacement and the base rotation for a structural system resting on general vertical pile-raft foundation is evaluated. Two different cases for the boundary condition at the top of the pile are considered: pinned and fixed head. The effect of these displacements about the shear force in the seismic design of the structural system is analysed. The influence on the twisting of the structure is discussed too.

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References


Ifrim, M., Dinamica structurilor şi inginerie seismică, Editura Didactică şi Pedagogică, Bucureşti, 1984, pp. 470-473. (in Romanian)

Ungureanu, N., Contribuţii privind analiza radierelor rezemate pe piloţi, teză de doctorat, Institutul Politehnic Iaşi, 1969, pp. 7-14. (in Romanian)

Ungureanu, N., Elastic Plates Supported on Piles, Buletinul I. P. Iasi, Tomul XIX (XXIII), 1973, pp. 9-16.

Ungureanu, N., Lungu, I., Raileanu, P., On the Definition and Estimation of Pile Stiffness, Buletinul IPI, Tomul XLII (XLVI), 1996.

Ungureanu, N., Vrabie, M., Missir-Vlad, I., Studies concerning the analysis of flexible pier on pile foundations, Buletinul IPI, Tomul XL (XLIV), 1994, pp. 59-66.


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