Paper Title:
Influence of Dynamic Soil-Structure Interaction on Fundamental Period for Frame Structures
  Abstract

By using of the approximate value of T proposed in FEMA450, the equations of the approximate effective fundamental period are derived for circular mat foundations supported at the surface, embedded foundations of circular shape and embedded foundations of arbitrary shapes, respectively. It is found that the limit values of of Veletsos are not uniform, and excessive for structures with h/r > 9, but too small for embedded deeply foundations. In this paper the uniform limit value of is 1.10 for all structures, and the conditions of consideration of SSI are given for ordinary reinforced concrete frame structures with circular mat foundations supported at the surface, embedded foundations of circular shape, and embedded foundations of arbitrary shapes, respectively.

  Info
Periodical
Edited by
Xuejun Zhou
Pages
1618-1626
DOI
10.4028/www.scientific.net/AMM.90-93.1618
Citation
H. X. Lu, H. F. Jiang, P. Y. Liang, B. T. Wu, "Influence of Dynamic Soil-Structure Interaction on Fundamental Period for Frame Structures", Applied Mechanics and Materials, Vols. 90-93, pp. 1618-1626, 2011
Online since
September 2011
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