Seismic response of tall building considering soil-pile-structure interaction |
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| Authors: | Yingcai Han Ph D |
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| Institution: | Fluor Canada Ltd., Calgary, AB, Canada |
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| Abstract: | The seismic behavior of tall buildings can be greatly affected by non-linear soil-pile interaction during strong earthquakes.
In this study a 20-storey building is examined as a typical structure supported on a pile foundation for different conditions:
(1) rigid base, i.e. no deformation in the foundation: (2) linear soil-pile system; and (3) nonlinear soil-pile system. The
effects of pile foundation displacements on the behavior of tall building are investigated, and compared with the behavior
of buildings supported on shallow foundation. With a model of non-reflective boundary between the near field and far field,
Novak’s method of soil-pile interaction is improved. The computation method for vibration of pile foundations and DYNAN computer
program are introduced comprehensively. A series of dynamic experiments have been done on full-scale piles, including single
pile and group, linear vibration and nonlinear vibration, to verify the validity of boundary zone model. |
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| Keywords: | dynamic soil-pile-structure interaction soil dynamics structural dynamics nonlinear vibration seismic response of tall building |
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