STRESS DISTRIBUTION ON THE CONNECTION BETWEEN PILE-HEAD AND FOOTING OF PILE FOUNDATION

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In this paper, it is investigated that how axial load and buried length of pile-head into footing under lateral load effect on the stress distribution of footing concrete on pile-footing interface. For the evaluation of the effects, the connection between pile-head and footing is treated as an axisymmetric body subjected to non-axisymmetric loading. and the evaluation is performed by Finite Element Analysis. For the analysis, it is assumed that debonding or slip never occur on the interface.The results suggest that axial load and buried pile-head length have significant effects on the stress distribution, and the cohesion on the interface is very significant factor on the stress distribution.