Identification Of Dynamic Soil Resistance To Piles With Consideration
Of System Uncertainties
Author(s)
T. Muto
Abstract
Identification of dynamic soil resistance to piles
with consideration of system uncertainties
T. Muto
Department of Architecture, Faculty of Science and Engineering,
Science University of Tokyo, Japan
Abstract
In seismic design of pile foundation, it is necessary to evaluate properly dynamic
soil resistance to plies during severe earthquakes. However, the nonlinear charac-
teristics of the soil resistance to piles have not been cleared well. A method to
estimate the soil resistance to a pile by using the measurement data of the bending
strains along the pile and the displacement response at the pile head is developed
in this paper. The flexural rigidities of the pile are not required to be a priori.
Therefore the estimation method consists of two stages. At the first stage, the
rigidities of pile are determined with the use of the relation between the bending
strains along the pile and the displacement at pile head on assumption that the pile
rigidities are constant during the loa
Keywords
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